10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 _____________________________ 

Form 10-Q

☑	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the quarterly period ended	September 30, 2021

OR

☐	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the transition period from	to

Commission file number 1-10235

IDEX CORPORATION

(Exact Name of Registrant as Specified in its Charter)

Delaware				36-3555336
(State or other jurisdiction of incorporation or organization)				(I.R.S. Employer Identification No.)
3100 Sanders Road,	Suite 301,	Northbrook,	Illinois	60062
(Address of principal executive offices)				(Zip Code)

Registrant’s telephone number, including area code: (847) 498-7070

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class	Trading Symbol(s)	Name of Each Exchange on Which Registered
Common Stock, par value $.01 per share	IEX	New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Yes  ☑    No  ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

Yes  ☑    No   ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☑	Accelerated filer  ☐	Non-accelerated filer ☐	Smaller reporting company	☐
Emerging growth company	☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes  ☐   No  ☑ 

Number of shares of common stock of IDEX Corporation outstanding as of October 22, 2021: 76,031,495.

TABLE OF CONTENTS

Part I. Financial Information
Item 1.	Financial Statements	1
	Condensed Consolidated Balance Sheets	1
	Condensed Consolidated Statements of Operations	2
	Condensed Consolidated Statements of Comprehensive Income	3
	Condensed Consolidated Statements of Equity	4
	Condensed Consolidated Statements of Cash Flows	6
	Notes to Condensed Consolidated Financial Statements	7
	Note 1. Basis of Presentation and Significant Accounting Policies	7
	Note 2. Acquisitions and Divestitures	7
	Note 3. Collaborative Investments	11
	Note 4. Business Segments	11
	Note 5. Revenue	13
	Note 6. Earnings Per Common Share	17
	Note 7. Inventories	18
	Note 8. Goodwill and Intangible Assets	18
	Note 9. Accrued Expenses	20
	Note 10. Other Noncurrent Liabilities	20
	Note 11. Borrowings	21
	Note 12. Derivative Instruments	22
	Note 13. Fair Value Measurements	23
	Note 14. Leases	24
	Note 15. Restructuring Expenses and Asset Impairments	26
	Note 16. Other Comprehensive Income (Loss)	28
	Note 17. Common and Preferred Stock	29
	Note 18. Share-Based Compensation	29
	Note 19. Retirement Benefits	33
	Note 20. Legal Proceedings	34
	Note 21. Income Taxes	34
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	35
	Cautionary Statement Under the Private Securities Litigation Reform Act	35
	Overview	35
	Results of Operations	37
	Liquidity and Capital Resources	41
	Non-GAAP Disclosures	42
	Critical Accounting Policies	49
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	49
Item 4.	Controls and Procedures	50
Part II. Other Information
Item 1.	Legal Proceedings	51
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	51
Item 6.	Exhibits	52
Signatures		53

PART I. FINANCIAL INFORMATION

Item 1.  Financial Statements

IDEX CORPORATION

CONDENSED CONSOLIDATED BALANCE SHEETS

(in thousands except share and per share amounts)

(unaudited)

	September 30, 2021		December 31, 2020
ASSETS
Current assets
Cash and cash equivalents	$	806,497	$	1,025,851
Receivables, less allowance for doubtful accounts of $7,234 at September 30, 2021 and $6,091 at December 31, 2020	366,779		293,146
Inventories	353,924		289,910
Other current assets	56,161		48,324
Total current assets	1,583,361		1,657,231
Property, plant and equipment - net	314,631		298,273
Goodwill	2,197,084		1,895,574
Intangible assets - net	613,366		415,563
Other noncurrent assets	146,137		147,757
Total assets	$	4,854,579	$	4,414,398
LIABILITIES AND EQUITY
Current liabilities
Trade accounts payable	$	175,864	$	151,993
Accrued expenses	252,092		208,828
Short-term borrowings	35		88
Dividends payable	41,117		38,149
Total current liabilities	469,108		399,058
Long-term borrowings	1,190,078		1,044,354
Deferred income taxes	211,066		163,863
Other noncurrent liabilities	258,044		266,797
Total liabilities	2,128,296		1,874,072
Commitments and contingencies
Shareholders’ equity
Preferred stock:
Authorized: 5,000,000 shares, $.01 per share par value; Issued: None	—		—
Common stock:
Authorized: 150,000,000 shares, $.01 per share par value
Issued: 90,074,054 shares at September 30, 2021 and 90,071,763 shares at December 31, 2020	901		901
Additional paid-in capital	790,629		775,153
Retained earnings	3,048,856		2,841,546
Treasury stock at cost: 13,931,832 shares at September 30, 2021 and 14,111,221 shares at December 31, 2020	(1,057,055)		(1,063,872)
Accumulated other comprehensive loss	(57,086)		(13,525)
Total shareholders’ equity	2,726,245		2,540,203
Noncontrolling interest	38		123
Total equity	2,726,283		2,540,326
Total liabilities and equity	$	4,854,579	$	4,414,398

See Notes to Condensed Consolidated Financial Statements

1

IDEX CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands except per share amounts)

(unaudited)

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Net sales	$	712,019	$	581,113	$	2,050,002	$	1,736,824
Cost of sales	400,450		329,613		1,139,738		978,568
Gross profit	311,569		251,500		910,264		758,256
Selling, general and administrative expenses	147,180		117,370		426,708		369,750
Restructuring expenses and asset impairments	3,204		2,917		8,568		6,758
Operating income	161,185		131,213		474,988		381,748
Other expense (income) - net	630		(704)		16,957		7,321
Interest expense	9,498		10,642		31,479		33,958
Income before income taxes	151,057		121,275		426,552		340,469
Provision for income taxes	35,343		17,427		95,987		63,759
Net income	115,714		103,848		330,565		276,710
Net loss attributable to noncontrolling interest	28		—		80		—
Net income attributable to IDEX	$	115,742	$	103,848	$	330,645	$	276,710
Earnings per common share:
Basic earnings per common share attributable to IDEX	$	1.52	$	1.38	$	4.35	$	3.66
Diluted earnings per common share attributable to IDEX	$	1.51	$	1.37	$	4.33	$	3.64
Share data:
Basic weighted average common shares outstanding	76,010		75,352		75,957		75,423
Diluted weighted average common shares outstanding	76,452		75,960		76,408		76,119

See Notes to Condensed Consolidated Financial Statements

2

IDEX CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(in thousands)

(unaudited)

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Net income	$	115,714	$	103,848	$	330,565	$	276,710
Other comprehensive income (loss):
Reclassification adjustments for derivatives, net of tax	—		672		2,531		3,982
Pension and other postretirement adjustments, net of tax	840		291		10,795		1,956
Cumulative translation adjustment	(28,703)		47,343		(56,887)		40,158
Other comprehensive income (loss)	(27,863)		48,306		(43,561)		46,096
Comprehensive income	87,851		152,154		287,004		322,806
Comprehensive loss attributable to noncontrolling interest	30		—		85		—
Comprehensive income attributable to IDEX	$	87,881	$	152,154	$	287,089	$	322,806

See Notes to Condensed Consolidated Financial Statements

3

IDEX CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF EQUITY

(in thousands except share amounts)

(unaudited)

					Accumulated Other Comprehensive Loss
	Common Stock and Additional Paid-In Capital		Retained Earnings		Cumulative Translation Adjustment		Retirement Benefits Adjustment		Cumulative Unrealized Gain (Loss) on Derivatives		Treasury Stock		Total Shareholders’ Equity		Noncontrolling Interest		Total Equity
Balance, December 31, 2020	$	776,054	$	2,841,546	$	13,430	$	(24,424)	$	(2,531)	$	(1,063,872)	$	2,540,203	$	123	$	2,540,326
Net income (loss)	—		112,708		—		—		—		—		112,708		(36)		112,672
Cumulative translation adjustment	—		—		(48,439)		—		—		—		(48,439)		2		(48,437)
Net change in retirement obligations (net of tax of $309)	—		—		—		745		—		—		745		—		745
Net change on derivatives designated as cash flow hedges (net of tax of $195)	—		—		—		—		664		—		664		—		664
Issuance of 106,122 shares of common stock from issuance of unvested shares, performance share units and exercise of stock options (net of tax of $1,865)	—		—		—		—		—		3,231		3,231		—		3,231
Shares surrendered for tax withholding	—		—		—		—		—		(5,460)		(5,460)		—		(5,460)
Share-based compensation	6,274		—		—		—		—		—		6,274		—		6,274
Balance, March 31, 2021	$	782,328	$	2,954,254	$	(35,009)	$	(23,679)	$	(1,867)	$	(1,066,101)	$	2,609,926	$	89	$	2,610,015
Net income (loss)	—		102,195		—		—		—		—		102,195		(16)		102,179
Cumulative translation adjustment	—		—		20,255		—		—		—		20,255		(5)		20,250
Net change in retirement obligations (net of tax of $2,799)	—		—		—		9,210		—		—		9,210		—		9,210
Net change on derivatives designated as cash flow hedges (net of tax of $549)	—		—		—		—		1,867		—		1,867		—		1,867
Issuance of 67,476 shares of common stock from issuance of unvested shares, performance share units and exercise of stock options (net of tax of $621)	—		—		—		—		—		7,456		7,456		—		7,456
Shares surrendered for tax withholding	—		—		—		—		—		(74)		(74)		—		(74)
Share-based compensation	4,247		—		—		—		—		—		4,247		—		4,247
Cash dividends declared - $1.08 per common share outstanding	—		(82,286)		—		—		—		—		(82,286)		—		(82,286)
Balance, June 30, 2021	$	786,575	$	2,974,163	$	(14,754)	$	(14,469)	$	—	$	(1,058,719)	$	2,672,796	$	68	$	2,672,864
Net income	—		115,742		—		—		—		—		115,742		(28)		115,714
Cumulative translation adjustment	—		—		(28,703)		—		—		—		(28,703)		(2)		(28,705)
Net change in retirement obligations (net of tax of $335)	—		—		—		840		—		—		840		—		840
Issuance of 34,390 shares of common stock from issuance of unvested shares, performance share units and exercise of stock options (net of tax of $178)	—		—		—		—		—		1,810		1,810		—		1,810
Shares surrendered for tax withholding	—		—		—		—		—		(146)		(146)		—		(146)
Share-based compensation	4,955		—		—		—		—		—		4,955		—		4,955
Cash dividends declared - $0.54 per common share outstanding	—		(41,049)		—		—		—		—		(41,049)		—		(41,049)
Balance, September 30, 2021	$	791,530	$	3,048,856	$	(43,457)	$	(13,629)	$	—	$	(1,057,055)	$	2,726,245	$	38	$	2,726,283

4

IDEX CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY

(in thousands except share amounts)

(unaudited)

					Accumulated Other Comprehensive Loss
	Common Stock and Additional Paid-In Capital		Retained Earnings		Cumulative Translation Adjustment		Retirement Benefits Adjustment		Cumulative Unrealized Gain (Loss) on Derivatives		Treasury Stock		Total Shareholders’ Equity
Balance, December 31, 2019	$	761,352	$	2,615,131	$	(94,353)	$	(25,809)	$	(7,183)	$	(985,909)	$	2,263,229
Net income	—		101,998		—		—		—		—		101,998
Cumulative translation adjustment	—		—		(26,456)		—		—		—		(26,456)
Net change in retirement obligations (net of tax of $578)	—		—		—		2,296		—		—		2,296
Net change on derivatives designated as cash flow hedges (net of tax of $351)	—		—		—		—		1,194		—		1,194
Issuance of 131,757 shares of common stock from issuance of unvested shares, performance share units and exercise of stock options (net of tax of $3,061)	—		—		—		—		—		2,089		2,089
Repurchase of 866,823 shares of common stock	—		—		—		—		—		(108,907)		(108,907)
Shares surrendered for tax withholding	—		—		—		—		—		(12,119)		(12,119)
Share-based compensation	6,463		—		—		—		—		—		6,463
Balance, March 31, 2020	$	767,815	$	2,717,129	$	(120,809)	$	(23,513)	$	(5,989)	$	(1,104,846)	$	2,229,787
Net income	—		70,864		—		—		—		—		70,864
Cumulative translation adjustment	—		—		19,271		—		—		—		19,271
Net change in retirement obligations (net of tax of $62)	—		—		—		(631)		—		—		(631)
Net change on derivatives designated as cash flow hedges (net of tax of $623)	—		—		—		—		2,116		—		2,116
Issuance of 145,263 shares of common stock from issuance of unvested shares, performance share units and exercise of stock options (net of tax of $594)	—		—		—		—		—		11,022		11,022
Repurchase of 9,600 shares of common stock	—		—		—		—		—		(1,435)		(1,435)
Shares surrendered for tax withholding	—		—		—		—		—		(29)		(29)
Share-based compensation	5,753		—		—		—		—		—		5,753
Cash dividends declared - $1.00 per common share outstanding	—		(75,681)		—		—		—		—		(75,681)
Balance, June 30, 2020	$	773,568	$	2,712,312	$	(101,538)	$	(24,144)	$	(3,873)	$	(1,095,288)	$	2,261,037
Net income	—		103,848		—		—		—		—		103,848
Cumulative translation adjustment	—		—		47,343		—		—		—		47,343
Net change in retirement obligations (net of tax of $171)	—		—		—		291		—		—		291
Net change on derivatives designated as cash flow hedges (net of tax of $197)	—		—		—		—		672		—		672
Issuance of 191,432 shares of common stock from issuance of unvested shares, performance share units and exercise of stock options (net of tax of $837)	—		—		—		—		—		15,618		15,618
Shares surrendered for tax withholding	—		—		—		—		—		(50)		(50)
Share-based compensation	5,800		—		—		—		—		—		5,800
Cash dividends declared - $0.50 per common share outstanding	—		(38,030)		—		—		—		—		(38,030)
Balance, September 30, 2020	$	779,368	$	2,778,130	$	(54,195)	$	(23,853)	$	(3,201)	$	(1,079,720)	$	2,396,529

See Notes to Condensed Consolidated Financial Statements

5

IDEX CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

(unaudited)

	Nine Months Ended September 30,
	2021		2020
Cash flows from operating activities
Net income	$	330,565	$	276,710
Adjustments to reconcile net income to net cash provided by operating activities:
Asset impairments	815		85
Depreciation and amortization	32,281		30,851
Amortization of intangible assets	40,681		31,123
Amortization of debt issuance expenses	1,354		1,351
Share-based compensation expense	18,575		21,155
Deferred income taxes	(7,070)		1,323
Non-cash interest expense associated with forward starting swaps	3,275		5,153
Termination of the U.S. pension plan	9,688		—
Changes in (net of the effect from acquisitions/divestitures):
Receivables	(59,249)		33,291
Inventories	(28,072)		17,920
Other current assets	6,041		(27,655)
Trade accounts payable	20,962		(11,496)
Deferred revenue	14,817		27,179
Accrued expenses	17,595		125
Other - net	(29)		784
Net cash flows provided by operating activities	402,229		407,899
Cash flows from investing activities
Purchases of property, plant and equipment	(45,487)		(39,438)
Acquisition of businesses, net of cash acquired	(575,606)		(118,159)
Note receivable from collaborative partner	(4,200)		—
Proceeds from disposal of fixed assets	250		2,230
Other - net	874		(238)
Net cash flows used in investing activities	(624,169)		(155,605)
Cash flows from financing activities
Borrowings under revolving credit facilities	—		150,000
Proceeds from issuance of 3.00% Senior Notes	—		499,100
Proceeds from issuance of 2.625% Senior Notes	499,380		—
Payment of 4.50% Senior Notes	—		(300,000)
Payment of 4.20% Senior Notes	(350,000)		—
Payments under revolving credit facilities	—		(150,000)
Payment of make-whole redemption premium	(6,659)		(6,756)
Debt issuance costs	(4,626)		(4,741)
Dividends paid	(120,289)		(114,248)
Proceeds from stock option exercises	12,497		28,729
Repurchases of common stock	—		(110,342)
Shares surrendered for tax withholding	(5,680)		(12,198)
Other - net	(74)		(352)
Net cash flows provided by (used in) financing activities	24,549		(20,808)
Effect of exchange rate changes on cash and cash equivalents	(21,963)		13,691
Net (decrease) increase in cash	(219,354)		245,177
Cash and cash equivalents at beginning of year	1,025,851		632,581
Cash and cash equivalents at end of period	$	806,497	$	877,758
Supplemental cash flow information
Cash paid for:
Interest	$	17,839	$	16,415
Income taxes	93,859		66,268

See Notes to Condensed Consolidated Financial Statements

6

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

1.    Basis of Presentation and Significant Accounting Policies

The Condensed Consolidated Financial Statements of IDEX Corporation (“IDEX” or the “Company”) have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) applicable to interim financial information and the instructions to Form 10-Q under the Securities Exchange Act of 1934, as amended. The statements are unaudited but include all adjustments, consisting only of recurring items, except as noted, that the Company considers necessary for a fair presentation of the information set forth herein. The results of operations for the three and nine months ended September 30, 2021 are not necessarily indicative of the results to be expected for the entire year.

The Condensed Consolidated Financial Statements and Management’s Discussion and Analysis of Financial Condition and Results of Operations set forth in this report should be read in conjunction with the Company’s Annual Report on Form 10-K for the year ended December 31, 2020.

Recently Adopted Accounting Standards

In December 2019, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2019-12, Simplifying the Accounting for Income Taxes, which eliminates the need to analyze whether the following apply in a given period (1) exception to the incremental approach for intraperiod tax allocation, (2) exceptions to accounting for basis differences when there are ownership changes in foreign investments and (3) exceptions in interim period income tax accounting for year-to-date losses that exceed anticipated losses. This ASU is also designed to improve the application of income tax-related guidance and simplify U.S. GAAP for (1) franchise taxes that are partially based on income, (2) transactions with a government that result in a step-up in the tax basis of goodwill, (3) separate financial statements of legal entities that are not subject to tax and (4) enacted changes in tax laws in interim periods. The Company adopted this standard on January 1, 2021. The adoption of this standard did not have a material impact on the Company’s Condensed Consolidated Financial Statements.

2.    Acquisitions and Divestitures

All of the Company’s acquisitions of businesses have been accounted for under Accounting Standards Codification (“ASC”) 805, Business Combinations. Accordingly, the accounts of the acquired companies, after adjustments to reflect the fair values assigned to assets and liabilities, have been included in the Company’s Condensed Consolidated Financial Statements from their respective dates of acquisition. The results of operations associated with the acquisitions of ABEL Pumps, L.P. and certain of its affiliates (“ABEL”) and Airtech Group, Inc., US Valve Corporation and related entities (“Airtech”) have been included in the Company’s condensed consolidated results since the dates of acquisition on March 10, 2021 and June 14, 2021, respectively.

The Company incurred acquisition-related transaction costs of $0.7 million and $1.3 million in the three months ended September 30, 2021 and 2020, respectively, and $4.4 million and $3.1 million in the nine months ended September 30, 2021 and 2020, respectively. These costs were recorded in Selling, general and administrative expenses and were related to completed transactions, pending transactions and potential transactions, including transactions that ultimately were not completed. The Company recorded a $2.5 million fair value inventory step-up charge associated with the completed 2021 acquisition of ABEL in Cost of sales during the nine months ended September 30, 2021 and a $9.1 million fair value inventory step-up charge associated with the completed 2021 acquisition of Airtech in Cost of sales during the three and nine months ended September 30, 2021. The Company also recorded a $4.1 million fair value inventory step-up charge associated with the completed 2020 acquisition of Flow Management Devices, LLC (“Flow MD”) in Cost of sales during the nine months ended September 30, 2020.

2021 Acquisitions

On March 10, 2021, the Company acquired the stock of ABEL. ABEL designs and manufactures highly engineered reciprocating positive displacement pumps for a variety of end markets, including mining, marine, power, water, wastewater and other general industries. Headquartered in Büchen, Germany, with sales and service locations in Madrid, Spain and Pittsburgh, Pennsylvania, ABEL operates in the Company’s Pumps reporting unit within the Fluid & Metering Technologies (“FMT”) segment. ABEL was acquired for cash consideration of $106.3 million. The entire purchase price was funded with

7

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

cash on hand. Goodwill and intangible assets recognized as part of this transaction were $59.5 million and $46.0 million, respectively. The goodwill is not deductible for tax purposes.

The Company made an initial allocation of the purchase price for the ABEL acquisition as of the acquisition date based on its understanding of the fair value of the acquired assets and assumed liabilities. These nonrecurring fair value measurements are classified as Level 3 in the fair value hierarchy. As the Company continues to obtain additional information about these assets and liabilities, including intangible asset appraisals, inventory valuation and accrued expenses, and continues to integrate the newly acquired business, the Company will refine the estimates of fair value and more accurately allocate the purchase price. Only items identified as of the acquisition date are considered for subsequent adjustment. The Company will continue to make required adjustments to the purchase price allocation prior to the completion of the measurement period.

The preliminary allocation of the purchase price to the assets acquired and liabilities assumed, based on their estimated fair values at the acquisition date, is as follows:

(In thousands)	Total
Current assets, net of cash acquired	$	18,419
Property, plant and equipment	4,034
Goodwill	59,481
Intangible assets	46,000
Other noncurrent assets	123
Total assets acquired	128,057
Current liabilities	(7,100)
Deferred income taxes	(14,537)
Other noncurrent liabilities	(84)
Net assets acquired	$	106,336

Acquired intangible assets consist of trade names, customer relationships and unpatented technology. The goodwill recorded for the acquisition reflects the strategic fit, revenue and earnings growth potential of this business.

The acquired intangible assets and weighted average amortization periods are as follows:

(In thousands, except weighted average life)	Total		Weighted Average Life
Trade names	$	9,000	15
Customer relationships	30,000		13
Unpatented technology	7,000		11
Acquired intangible assets	$	46,000

On June 14, 2021, the Company acquired the stock of Airtech. Airtech designs and manufactures a wide range of highly-engineered pressure technology products, including vacuum pumps, regenerative blowers, compressor systems and valves for a variety of end markets, including alternative energy, food processing, medical, packaging and transportation. Headquartered in Rutherford, New Jersey, with manufacturing operations in Werneck, Germany and Shenzhen, China, Airtech operates in the Company’s Performance Pneumatic Technologies reporting unit within the Health & Science Technologies (“HST”) segment. Airtech was acquired for cash consideration of $471.0 million. The entire purchase price was funded with cash on hand. Goodwill and intangible assets recognized as part of this transaction were $271.3 million and $201.3 million, respectively. The goodwill is not deductible for tax purposes.

The Company made an initial allocation of the purchase price for the Airtech acquisition as of the acquisition date based on its understanding of the fair value of the acquired assets and assumed liabilities. These nonrecurring fair value measurements are classified as Level 3 in the fair value hierarchy. As the Company continues to obtain additional information about these assets and liabilities, including intangible asset appraisals, inventory valuation and accrued expenses, and continues to integrate the newly acquired business, the Company will refine the estimates of fair value and more accurately allocate the purchase

8

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

price. Only items identified as of the acquisition date are considered for subsequent adjustment. The Company will continue to make required adjustments to the purchase price allocation prior to the completion of the measurement period.

The preliminary allocation of the purchase price to the assets acquired and liabilities assumed, based on their estimated fair values at the acquisition date, is as follows:

(In thousands)	Total
Current assets, net of cash acquired	$	44,152
Property, plant and equipment	4,803
Goodwill	271,268
Intangible assets	201,300
Other noncurrent assets	10,136
Total assets acquired	531,659
Current liabilities	(10,065)
Deferred income taxes	(42,141)
Other noncurrent liabilities	(8,436)
Net assets acquired(1)	$	471,017

(1) Subsequent to June 30, 2021, the Company finalized its working capital adjustment for the acquisition of the Airtech business, resulting in a $1.7 million adjustment to the purchase price. This amount was accrued as of September 30, 2021 and was paid in October 2021.

Acquired intangible assets consist of trade names, customer relationships and unpatented technology. The goodwill recorded for the acquisition reflects the strategic fit, revenue and earnings growth potential of this business.

The acquired intangible assets and weighted average amortization periods are as follows:

(In thousands, except weighted average life)	Total		Weighted Average Life
Trade names	$	15,400	15
Customer relationships	161,900		13
Unpatented technology	24,000		11
Acquired intangible assets	$	201,300

2020 Acquisitions

On February 28, 2020, the Company acquired the membership interests of Flow MD, a privately held provider of flow measurement systems that ensure custody transfer accuracy in the oil and gas industry. Flow MD engineers and manufactures small volume provers. Headquartered in Phoenix, AZ, with operations in Houston, TX and Pittsburgh, PA, Flow MD operates in the Company’s Energy reporting unit within the FMT segment. Flow MD was acquired for cash consideration of $121.2 million. The entire purchase price was funded with cash on hand. Goodwill and intangible assets recognized as part of this transaction were $60.0 million and $53.0 million, respectively. The goodwill is deductible for tax purposes.

The Company finalized the allocation of the purchase price for the Flow MD acquisition as of the acquisition date based on its understanding of the fair value of the acquired assets and assumed liabilities. These nonrecurring fair value measurements are classified as Level 3 in the fair value hierarchy.

9

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

The final allocation of the purchase price to the assets acquired and liabilities assumed, based on their estimated fair values at the acquisition date, is as follows:

(In thousands)	Total
Current assets, net of cash acquired	$	32,858
Property, plant and equipment	4,166
Goodwill	60,026
Intangible assets	53,000
Other noncurrent assets	1,344
Total assets acquired	151,394
Current liabilities	(32,291)
Deferred income taxes	2,459
Other noncurrent liabilities	(329)
Net assets acquired (1)	$	121,233

(1) Subsequent to September 30, 2020, the Company obtained additional information about the assets and liabilities acquired that required a $3.1 million adjustment to the purchase price of the Flow MD business.

Acquired intangible assets consist of trade names, customer relationships and unpatented technology. The goodwill recorded for the acquisition reflects the strategic fit, revenue and earnings growth potential of this business.

The acquired intangible assets and weighted average amortization periods are as follows:

(In thousands, except weighted average life)	Total		Weighted Average Life
Trade names	$	6,000	15
Customer relationships	31,500		10
Unpatented technology	15,500		20
Acquired intangible assets	$	53,000

On November 23, 2020, the Company acquired Qualtek Manufacturing, Inc. (“Qualtek”), a manufacturer of high quality specialty metal components and parts by providing vertically integrated tool and die, metal stamping and metal finishing services. Headquartered in Colorado Springs, CO, Qualtek operates in the Company’s BAND-IT reporting unit within the Fire & Safety/Diversified Products (“FSDP”) segment. Qualtek was acquired for cash consideration of $1.9 million. The entire purchase price was funded with cash on hand. Goodwill recognized as part of this transaction was $1.1 million. The goodwill recorded for the acquisition reflects the strategic fit, revenue and earnings growth potential of this business. The goodwill is deductible for tax purposes.

The Company finalized its allocation of the purchase price for the Qualtek acquisition as of the acquisition date based on its understanding of the fair value of the acquired assets. These nonrecurring fair value measurements are classified as Level 3 in the fair value hierarchy.

Divestitures

The Company periodically reviews its operations for businesses which may no longer be aligned with its strategic objectives and focuses on core business and customers. Any resulting gain or loss recognized due to divestitures is recorded within Loss (gain) on sale of businesses - net within Selling, general and administrative expenses.

10

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

On March 12, 2021, the Company completed the sale of CiDRA Precision Services (“CiDRA”) for $1.0 million in cash, resulting in a pre-tax gain on the sale of $0.5 million. The Company recorded $0.1 million of income tax expense associated with this transaction during the nine months ended September 30, 2021. The results of CiDRA were reported within the HST segment and generated $0.9 million of revenues in 2021 through the date of sale. The Company concluded that this divestiture did not meet the criteria for reporting the results of CiDRA as discontinued operations. There were no divestitures that took place during the nine months ended September 30, 2020.

3.    Collaborative Investments

On May 12, 2020, a subsidiary of IDEX entered into a joint venture agreement with a third party to form a limited liability company (the “Joint Venture”) that will manufacture and sell high performance elastomer seals for the oil and gas industry to customers within the Kingdom of Saudi Arabia as well as export these high performance elastomer seals outside of the Kingdom of Saudi Arabia. The Joint Venture is headquartered in Dammam, Saudi Arabia and operates in the Company’s Sealing Solutions reporting unit within the HST segment. In the fourth quarter of 2020, the Company contributed $147,000 and owns 55% of the share capital while the third party partner contributed $120,000 and owns 45% of the share capital. During the nine months ended September 30, 2021, the Company contributed an additional $479,570. As of September 30, 2021, the Joint Venture has incurred start-up expenses, but has not yet begun manufacturing. Since IDEX controls the entity, IDEX has consolidated the Joint Venture and recorded a noncontrolling interest in its Condensed Consolidated Financial Statements.

On June 29, 2021, a subsidiary of IDEX funded a $4.2 million convertible promissory note to a start-up company that provides communication technology to improve individual performance and team coordination for firefighters’ responses. The investment aligns with the FSDP segment’s strategic plan to reduce response time and greatly increase life-safety outcomes and is an extension of FSDP’s smart and connected products. The note bears paid-in-kind interest at a rate of 5% per annum and is secured by the Company’s interest in the intellectual property of the start-up company. Unless earlier converted, the principal amount outstanding and the related accrued interest are due upon the earliest of (a) June 28, 2024, (b) a change in control or (c) when declared due and payable by the Company upon an event of default. The note is included in Other noncurrent assets on the Company’s Condensed Consolidated Balance Sheets. In addition, the Company recorded $0.1 million of accrued interest in Other noncurrent assets on the Company’s Condensed Consolidated Balance Sheets. The Company will measure the allowance for credit losses under the current expected credit loss model. As of September 30, 2021, no allowance for credit losses has been recorded.

4.    Business Segments

IDEX has three reportable business segments: Fluid & Metering Technologies (“FMT”), Health & Science Technologies (“HST”) and Fire & Safety/Diversified Products (“FSDP”).

The FMT segment designs, produces and distributes positive displacement pumps, small volume provers, flow meters, injectors and other fluid-handling pump modules and systems and provides flow monitoring and other services for the food, chemical, general industrial, water and wastewater, agriculture and energy industries.

The HST segment designs, produces and distributes a wide range of precision fluidics, rotary lobe pumps, centrifugal and positive displacement pumps, roll compaction and drying systems used in beverage, food processing, pharmaceutical and cosmetics, pneumatic components and sealing solutions, including very high precision, low-flow rate pumping solutions required in analytical instrumentation, clinical diagnostics and drug discovery, high performance molded and extruded sealing components, custom mechanical and shaft seals for a variety of end markets including food and beverage, marine, chemical, wastewater and water treatment, engineered hygienic mixers and valves for the global biopharmaceutical industry, biocompatible medical devices and implantables, air compressors and regenerative blowers used in medical, dental, alternative energy and industrial applications, optical components and coatings for applications in the fields of scientific research, defense, biotechnology, aerospace, telecommunications and electronics manufacturing, laboratory and commercial equipment used in the production of micro and nano scale materials, precision photonic solutions used in life sciences, research and defense markets and precision gear and peristaltic pump technologies that meet exacting original equipment manufacturer specifications.

11

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

The FSDP segment designs, produces and develops firefighting pumps, valves and controls, rescue tools, lifting bags and other components and systems for the fire and rescue industry, engineered stainless steel banding and clamping devices used in a variety of industrial and commercial applications and precision equipment for dispensing, metering and mixing colorants and paints used in a variety of retail and commercial businesses around the world.

Information on the Company’s business segments is presented below based on the nature of the products and services offered. The Company evaluates its performance based on several factors, of which sales, operating income and operating margin are the primary financial measures. Intersegment sales are accounted for at fair value as if the sales were to third parties.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Net sales
Fluid & Metering Technologies
External customers	$	251,297	$	220,553	$	745,202	$	666,187
Intersegment sales	—		194		737		533
Total segment sales	251,297		220,747		745,939		666,720
Health & Science Technologies
External customers	301,637		219,671		825,440		658,361
Intersegment sales	650		707		2,228		1,744
Total segment sales	302,287		220,378		827,668		660,105
Fire & Safety/Diversified Products
External customers	159,085		140,889		479,360		412,276
Intersegment sales	21		7		42		20
Total segment sales	159,106		140,896		479,402		412,296
Intersegment elimination	(671)		(908)		(3,007)		(2,297)
Total net sales	$	712,019	$	581,113	$	2,050,002	$	1,736,824
Operating income (loss) (1)
Fluid & Metering Technologies	$	69,020	$	58,402	$	195,384	$	176,111
Health & Science Technologies	70,374		49,912		212,987		150,562
Fire & Safety/Diversified Products	39,126		37,103		126,483		103,977
Corporate office and other	(17,335)		(14,204)		(59,866)		(48,902)
Total operating income	161,185		131,213		474,988		381,748
Interest expense	9,498		10,642		31,479		33,958
Other expense (income) - net	630		(704)		16,957		7,321
Income before income taxes	$	151,057	$	121,275	$	426,552	$	340,469

	September 30, 2021		December 31, 2020
Assets
Fluid & Metering Technologies	$	1,563,000	$	1,387,067
Health & Science Technologies	2,128,510		1,576,093
Fire & Safety/Diversified Products	826,384		891,864
Corporate office and other	336,685		559,374
Total assets	$	4,854,579	$	4,414,398

(1) Segment operating income (loss) excludes net unallocated corporate operating expenses.

12

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

5.    Revenue

IDEX is an applied solutions company specializing in the manufacture of fluid and metering technologies, health and science technologies and fire, safety and other diversified products built to customers’ specifications. The Company’s products include industrial pumps, provers, compressors, regenerative blowers, flow meters, injectors, valves and related controls for use in a wide variety of process applications; precision fluidics solutions, including pumps, valves, degassing equipment, corrective tubing, fittings and complex manifolds, optical filters and specialty medical equipment and devices for use in life science applications; precision-engineered equipment for dispensing, metering and mixing paints; and engineered products for industrial and commercial markets, including fire and rescue, transportation equipment, oil and gas, electronics and communications.

Revenue is recognized when control of products or services is transferred to customers in an amount that reflects the consideration the Company expects to be entitled to in exchange for transferring those products or providing those services. The Company accounts for a contract when it has approval and commitment from both parties, the rights of the parties are identified, payment terms are identified, the contract has commercial substance and collectability of the consideration is probable. The Company determines the appropriate revenue recognition for contracts with customers by analyzing the terms and conditions of each contract or arrangement with a customer.

Disaggregation of Revenue

The Company has a comprehensive offering of products, including technologies, built to customers’ specifications that are sold in niche markets throughout the world. The Company disaggregates its revenue from contracts with customers by reporting unit and geographical region for each segment as the Company believes it best depicts how the amount, nature, timing and uncertainty of its revenue and cash flows are affected by economic factors. Revenue was attributed to geographical region based on the location of the customer. The following tables present the Company’s revenue disaggregated by reporting unit and geographical region.

13

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

Revenue by reporting unit for the three and nine months ended September 30, 2021 and 2020 was as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Energy	$	40,430	$	56,155	$	125,860	$	150,483
Valves(1)	29,020		29,533		91,565		86,596
Water(1)	64,865		57,190		189,013		165,114
Pumps	90,026		59,585		261,457		201,970
Agriculture	26,956		18,284		78,044		62,557
Intersegment elimination	—		(194)		(737)		(533)
Fluid & Metering Technologies	251,297		220,553		745,202		666,187
Scientific Fluidics & Optics	131,198		100,569		375,990		313,275
Sealing Solutions	67,696		50,726		202,432		151,257
Performance Pneumatic Technologies(2)	62,181		32,173		125,355		87,558
Micropump	8,519		7,273		24,794		22,260
Material Processing Technologies	32,693		29,637		99,097		85,755
Intersegment elimination	(650)		(707)		(2,228)		(1,744)
Health & Science Technologies	301,637		219,671		825,440		658,361
Fire & Safety	92,305		94,065		287,107		280,428
BAND-IT	25,166		22,692		74,843		64,228
Dispensing	41,635		24,139		117,452		67,640
Intersegment elimination	(21)		(7)		(42)		(20)
Fire & Safety/Diversified Products	159,085		140,889		479,360		412,276
Total net sales	$	712,019	$	581,113	$	2,050,002	$	1,736,824

(1) During the third quarter of 2021, the Company merged a business in the Water reporting unit with a business in the Valves reporting unit. Revenue for each reporting unit has been restated to reflect this change for each of the three and nine months ended September 30, 2021 and 2020.

(2) This reporting unit was previously named Gast and was renamed Performance Pneumatic Technologies upon the acquisition of Airtech. Prior to that acquisition date, all amounts reflect only the Gast business.

14

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

Revenue by geographical region for the three and nine months ended September 30, 2021 and 2020 was as follows:

	Three Months Ended September 30, 2021
	FMT		HST		FSDP		IDEX
U.S.	$	137,046	$	148,195	$	79,911	$	365,152
North America, excluding U.S.	13,685		5,193		7,178		26,056
Europe	48,802		86,509		39,967		175,278
Asia	36,861		59,990		24,463		121,314
Other (1)	14,903		2,400		7,587		24,890
Intersegment elimination	—		(650)		(21)		(671)
Total net sales	$	251,297	$	301,637	$	159,085	$	712,019

	Three Months Ended September 30, 2020
	FMT		HST		FSDP		IDEX
U.S.	$	122,352	$	98,943	$	65,369	$	286,664
North America, excluding U.S.	13,706		5,417		5,680		24,803
Europe	43,855		59,509		37,437		140,801
Asia	26,010		52,197		25,378		103,585
Other (1)	14,824		4,312		7,032		26,168
Intersegment elimination	(194)		(707)		(7)		(908)
Total net sales	$	220,553	$	219,671	$	140,889	$	581,113

	Nine Months Ended September 30, 2021
	FMT		HST		FSDP		IDEX
U.S.	$	399,123	$	355,759	$	227,259	$	982,141
North America, excluding U.S.	42,645		16,687		22,551		81,883
Europe	150,098		258,838		127,948		536,884
Asia	108,505		178,971		78,153		365,629
Other (1)	45,568		17,413		23,491		86,472
Intersegment elimination	(737)		(2,228)		(42)		(3,007)
Total net sales	$	745,202	$	825,440	$	479,360	$	2,050,002

	Nine Months Ended September 30, 2020
	FMT		HST		FSDP		IDEX
U.S.	$	384,429	$	288,042	$	203,940	$	876,411
North America, excluding U.S.	38,741		15,911		16,980		71,632
Europe	127,906		182,596		108,683		419,185
Asia	77,144		161,342		63,500		301,986
Other (1)	38,500		12,214		19,193		69,907
Intersegment elimination	(533)		(1,744)		(20)		(2,297)
Total net sales	$	666,187	$	658,361	$	412,276	$	1,736,824

(1) Other includes: South America, Middle East, Australia and Africa.

15

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

Contract Balances

The timing of revenue recognition, billings and cash collections can result in customer receivables, advance payments or billings in excess of revenue recognized. Customer receivables include both amounts billed and currently due from customers as well as unbilled amounts (contract assets) and are included in Receivables on the Company’s Condensed Consolidated Balance Sheets. Amounts are billed in accordance with contractual terms or as work progresses. Unbilled amounts arise when the timing of billing differs from the timing of revenue recognized, such as when contract provisions require specific milestones to be met before a customer can be billed. Unbilled amounts primarily relate to performance obligations satisfied over time when the cost-to-cost method (defined below) is utilized and the revenue recognized exceeds the amount billed to the customer as there is not yet a right to invoice in accordance with contractual terms. Unbilled amounts are recorded as a contract asset when the revenue associated with the contract is recognized prior to billing and derecognized when billed in accordance with the terms of the contract. Customer receivables are recorded at face amount less an allowance for doubtful accounts. The Company maintains an allowance for doubtful accounts for expected losses as a result of customers’ inability to make required payments. Management evaluates the aging of customer receivable balances, the financial condition of its customers, historical trends and the time outstanding of specific balances to estimate the amount of customer receivables that may not be collected in the future and records the appropriate provision.

The composition of Customer receivables was as follows:

	September 30, 2021		December 31, 2020
Billed receivables	$	352,238	$	273,536
Unbilled receivables	14,956		14,752
Total customer receivables	$	367,194	$	288,288

Advance payments, deposits and billings in excess of revenue recognized are included in Deferred revenue which is classified as current or noncurrent based on the timing of when the Company expects to recognize the revenue. The current portion is included in Accrued expenses and the noncurrent portion is included in Other noncurrent liabilities on the Company’s Condensed Consolidated Balance Sheets. Advance payments and deposits represent contract liabilities and are recorded when customers remit contractual cash payments in advance of us satisfying performance obligations under contractual arrangements, including those with performance obligations satisfied over time. The Company generally receives advance payments from customers related to maintenance services which the Company recognizes ratably over the service term. The Company also receives deposits from customers on certain orders which the Company recognizes as revenue at a point in time. Billings in excess of revenue recognized represent contract liabilities and primarily relate to performance obligations satisfied over time when the cost-to-cost method (defined below) is utilized and revenue cannot yet be recognized as the Company has not completed the corresponding performance obligation. Contract liabilities are derecognized when revenue is recognized and the performance obligation is satisfied.

The composition of Deferred revenue was as follows:

	September 30, 2021		December 31, 2020
Deferred revenue - current	$	45,055	$	28,374
Deferred revenue - noncurrent	31,025		30,354
Total deferred revenue	$	76,080	$	58,728

Performance Obligations

A performance obligation is a promise in a contract to transfer a distinct product or service to the customer. A contract’s transaction price is allocated to each performance obligation and recognized as revenue when, or as, the performance obligation is satisfied. For contracts that require complex design, manufacturing and installation activities, certain performance obligations may not be separately identifiable from other performance obligations in the contract and, therefore, not distinct. As a result, the entire contract is accounted for as a single performance obligation. For contracts that include distinct products or services that are substantially the same and have the same pattern of transfer to the customer over time, they are recognized as a series of distinct products or services. Certain contracts have multiple performance obligations for which the Company allocates the transaction price to each performance obligation using an estimate of the standalone selling price of each distinct product or

16

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

service in the contract. For product sales, each product sold to a customer generally represents a distinct performance obligation. In such cases, the observable standalone sales are used to determine the standalone selling price. In certain cases, the Company may be required to estimate standalone selling price using the expected cost plus margin approach, under which it forecasts the expected costs of satisfying a performance obligation and then adds an appropriate margin for that distinct product or service.

The Company’s performance obligations are satisfied either at a point in time or over time as work progresses. Performance obligations are supported by contracts with customers that provide a framework for the nature of the distinct product or service or bundle of products and services. The Company defines service revenue as revenue from activities that are not associated with the design, development or manufacture of a product or the delivery of a software license.

Revenue from products and services transferred to customers at a point in time approximated 95% of total revenues in each of the three and nine months ended September 30, 2021 and 2020. Revenue on these contracts is recognized when obligations under the terms of the contract with the customer are satisfied. Generally, this occurs with the transfer of control of the asset, which is in line with shipping terms.

Revenue from products and services transferred to customers over time approximated 5% of total revenues in each of the three and nine months ended September 30, 2021 and 2020. Revenue earned by certain business units within the Water, Energy, Material Processing Technologies (“MPT”) and Dispensing reporting units is recognized over time because control transfers continuously to customers. When accounting for over-time contracts, the Company uses an input measure to determine the extent of progress towards completion of the performance obligation. For certain business units within the Water, Energy and MPT reporting units, revenue is recognized over time as work is performed based on the relationship between actual costs incurred to date for each contract and the total estimated costs for such contract at completion of the performance obligation (i.e., the cost-to-cost method). The Company believes this measure of progress best depicts the transfer of control to the customer which occurs as the Company incurs costs on its contracts. Incurred cost represents work performed, which corresponds with the transfer of control to the customer. Contract costs include labor, material and overhead. Contract estimates are based on various assumptions to project the outcome of future events. These assumptions include labor productivity and availability; the complexity of the work to be performed; the cost and availability of materials; the performance of subcontractors; and the availability and timing of funding from the customer. Revenues, including estimated fees or profits, are recorded proportionally as costs are incurred. For certain business units within the Energy and Dispensing reporting units, revenue is recognized ratably over the contract term.

As a significant change in one or more of these estimates could affect the profitability of the Company’s contracts, the Company reviews and updates its estimates regularly. Due to uncertainties inherent in the estimation process, it is reasonably possible that completion costs, including those arising from contract penalty provisions and final contract settlements, will be revised. Such revisions to costs and income are recognized in the period in which the revisions are determined as a cumulative catch-up adjustment. The impact of the adjustment on profit recorded to date on a contract is recognized in the period the adjustment is identified. Revenue and profit in future periods of contract performance are recognized using the adjusted estimate. If at any time the estimate of contract profitability indicates an anticipated loss on the contract, the Company recognizes provisions for estimated losses on incomplete contracts in the period in which such losses are determined.

The Company records allowances for discounts and product returns at the time of sale as a reduction of revenue as such allowances can be reliably estimated based on historical experience and known trends. The Company also offers product warranties (primarily assurance-type) and accrues its estimated exposure for warranty claims at the time of sale based upon the length of the warranty period, warranty costs incurred and any other related information known to the Company.

6.    Earnings Per Common Share

Diluted earnings per common share (“EPS”) attributable to IDEX is computed by dividing net income attributable to IDEX by the weighted average number of shares of common stock (basic) plus common stock equivalents outstanding (diluted) during the period. Common stock equivalents consist of stock options, which have been included in the calculation of weighted average shares outstanding using the treasury stock method, restricted stock and performance share units.

ASC 260, Earnings Per Share, concludes that all outstanding unvested share-based payment awards that contain rights to nonforfeitable dividends participate in undistributed earnings with common shareholders. If awards are considered participating

17

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

securities, the Company is required to apply the two-class method of computing basic and diluted earnings per share. The Company has determined that its outstanding shares of restricted stock are participating securities. Accordingly, EPS attributable to IDEX was computed using the two-class method prescribed by ASC 260.

Basic weighted average shares outstanding reconciles to diluted weighted average shares outstanding as follows:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2021	2020	2021	2020
Basic weighted average common shares outstanding	76,010	75,352	75,957	75,423
Dilutive effect of stock options, restricted stock and performance share units	442	608	451	696
Diluted weighted average common shares outstanding	76,452	75,960	76,408	76,119

Options to purchase approximately 0.3 million shares of common stock for both the three months ended September 30, 2021 and 2020, and 0.3 million and 0.6 million shares of common stock for the nine months ended September 30, 2021 and 2020, respectively, were not included in the computation of diluted EPS because the effect of their inclusion would have been antidilutive.

7.    Inventories

The components of inventories as of September 30, 2021 and December 31, 2020 were:

	September 30, 2021		December 31, 2020
Raw materials and component parts	$	212,427	$	173,248
Work in process	41,586		29,436
Finished goods	99,911		87,226
Total inventories	$	353,924	$	289,910

Inventories are stated at the lower of cost or net realizable value. Cost, which includes material, labor and factory overhead, is determined on a first in, first out basis.

8.    Goodwill and Intangible Assets

The changes in the carrying amount of goodwill for the nine months ended September 30, 2021, by reportable business segment, were as follows:

	FMT		HST		FSDP		IDEX
Goodwill	$	670,442	$	1,012,448	$	413,315	$	2,096,205
Accumulated goodwill impairment losses	(20,721)		(149,820)		(30,090)		(200,631)
Balance at December 31, 2020	649,721		862,628		383,225		1,895,574
Foreign currency translation	(7,132)		(14,168)		(7,405)		(28,705)
Acquisitions	59,481		271,268		—		330,749
Disposition of businesses	—		(129)		—		(129)
Acquisition adjustments	(405)		—		—		(405)
Balance at September 30, 2021	$	701,665	$	1,119,599	$	375,820	$	2,197,084

ASC 350, Goodwill and Other Intangible Assets, requires that goodwill be tested for impairment at the reporting unit level on an annual basis and between annual tests if an event occurs or circumstances change that would more likely than not reduce the fair value of the reporting unit below its carrying value. In the first nine months of 2021, there were no events or circumstances that would have required an interim impairment test. Annually, on October 31, goodwill and other acquired intangible assets with indefinite lives are tested for impairment. Based on the results of the Company’s annual impairment test at October 31, 2020, all reporting units had fair values in excess of their carrying values.

18

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

The following table provides the gross carrying value and accumulated amortization for each major class of intangible asset at September 30, 2021 and December 31, 2020:

	At September 30, 2021							At December 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Net		Weighted Average Life	Gross Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets:
Patents	$	3,152	$	(1,968)	$	1,184	10	$	3,030	$	(1,740)	$	1,290
Trade names	148,258		(76,161)		72,097		15	130,793		(72,685)		58,108
Customer relationships	495,680		(134,636)		361,044		13	318,350		(120,294)		198,056
Unpatented technology	145,175		(57,034)		88,141		13	122,287		(55,131)		67,156
Other	—		—		—		—	700		(647)		53
Total amortized intangible assets	792,265		(269,799)		522,466			575,160		(250,497)		324,663
Indefinite-lived intangible assets:
Banjo trade name	62,100		—		62,100			62,100		—		62,100
Akron Brass trade name	28,800		—		28,800			28,800		—		28,800
Total intangible assets	$	883,165	$	(269,799)	$	613,366		$	666,060	$	(250,497)	$	415,563

The Banjo trade name and the Akron Brass trade name are indefinite-lived intangible assets which are tested for impairment on an annual basis in accordance with ASC 350 or more frequently if events or changes in circumstances indicate that the assets might be impaired. Based on the results of the Company’s annual impairment test at October 31, 2020, these indefinite-lived intangible assets had fair values in excess of their carrying values. In the first nine months of 2021, there were no events or circumstances that would have required an interim impairment test on these indefinite-lived intangible assets. The Company uses the relief-from-royalty method, a form of the income approach, to determine the fair value of these trade names. The relief-from-royalty method is dependent on a number of significant management assumptions, including estimates of revenues, royalty rates and discount rates.

Amortization of intangible assets was $16.2 million and $40.7 million for the three and nine months ended September 30, 2021, respectively. Amortization of intangible assets was $11.1 million and $31.1 million for the three and nine months ended September 30, 2020, respectively. Based on the intangible asset balances as of September 30, 2021, amortization expense is expected to approximate $15.7 million for the remaining three months of 2021, $61.3 million in 2022, $58.1 million in 2023, $53.6 million in 2024 and $52.0 million in 2025.

19

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

9.    Accrued Expenses

The components of accrued expenses as of September 30, 2021 and December 31, 2020 were:

	September 30, 2021		December 31, 2020
Payroll and related items	$	83,828	$	75,238
Management incentive compensation	21,483		15,763
Income taxes payable	16,038		13,453
Insurance	11,739		11,115
Warranty	7,777		7,394
Deferred revenue	45,055		28,374
Lease liability	17,597		16,721
Restructuring	3,315		3,868
Liability for uncertain tax positions	305		—
Accrued interest	12,604		3,592
Other	32,351		33,310
Total accrued expenses	$	252,092	$	208,828

10.    Other Noncurrent Liabilities

The components of other noncurrent liabilities as of September 30, 2021 and December 31, 2020 were:

	September 30, 2021		December 31, 2020
Pension and retiree medical obligations	$	92,308	$	99,417
Transition tax payable	14,128		14,208
Liability for uncertain tax positions	773		1,071
Deferred revenue	31,025		30,354
Lease liability	96,927		94,250
Other	22,883		27,497
Total other noncurrent liabilities	$	258,044	$	266,797

20

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

11.    Borrowings

Borrowings at September 30, 2021 and December 31, 2020 consisted of the following: 

	September 30, 2021		December 31, 2020
4.20% Senior Notes, due December 2021	$	—	$	350,000
3.20% Senior Notes, due June 2023	100,000		100,000
3.37% Senior Notes, due June 2025	100,000		100,000
3.00% Senior Notes, due May 2030	500,000		500,000
2.625% Senior Notes, due June 2031	500,000		—
Other borrowings	131		215
Total borrowings	1,200,131		1,050,215
Less current portion	35		88
Less deferred debt issuance costs	8,628		4,824
Less unaccreted debt discount	1,390		949
Total long-term borrowings	$	1,190,078	$	1,044,354

Issuance of 2.625% Senior Notes in 2021

On May 28, 2021, the Company completed a public offering of $500.0 million in aggregate principal amount of 2.625% Senior Notes due June 2031 (the “2.625% Senior Notes”). The net proceeds from the offering were approximately $494.7 million, after deducting the issuance discount of $0.6 million, the underwriting commission of $3.3 million and offering expenses of $1.4 million. The net proceeds were used to redeem and repay the $350.0 million aggregate principal amount outstanding of its 4.20% Senior Notes due December 15, 2021 and a $6.7 million make-whole redemption premium, with the remaining balance used for general corporate purposes. The 2.625% Senior Notes bear interest at a rate of 2.625% per annum, which is payable semi-annually in arrears on June 15 and December 15 of each year. The 2.625% Senior Notes mature on June 15, 2031. The 2.625% Senior Notes were issued under an Indenture, dated as of December 6, 2010 (the “Base Indenture”), between the Company and Wells Fargo Bank, National Association, as trustee (the “Trustee”), as supplemented by the Fourth Supplemental Indenture, dated as of May 28, 2021 (the “Supplemental Indenture” and, together with the Base Indenture and other supplements thereto, the “Indenture”), between the Company and the Trustee.

The Company may redeem all or a portion of the 2.625% Senior Notes at any time prior to maturity at the redemption prices set forth in the Indenture. The Indenture and 2.625% Notes contain covenants that limit the Company’s ability to, among other things, incur certain liens, enter into certain sale and leaseback transactions and enter into certain mergers, consolidations and transfers of substantially all of the Company’s assets. The terms of the 2.625% Senior Notes also require the Company to make an offer to repurchase the 2.625% Senior Notes upon a change of control triggering event (as defined in the Indenture) at a price equal to 101% of the principal amount plus accrued and unpaid interest, if any. The Indenture also provides for customary events of default, which include nonpayment, breach of covenants or warranties in the Indenture and certain events of bankruptcy, insolvency or reorganization. Generally, if an event of default occurs, the Trustee or holders of at least 25% of the then outstanding 2.625% Senior Notes may declare the principal amount of all of the 2.625% Senior Notes to be due and payable immediately.

On May 17, 2021, the Company provided notice of its election to redeem early, on June 16, 2021, the $350.0 million aggregate principal amount outstanding of its 4.20% Senior Notes at a redemption price of $350.0 million plus a make-whole redemption premium of $6.7 million using proceeds from the Company’s 2.625% Senior Notes. In addition, the Company recognized the remaining $1.3 million of the pre-tax amount included in Accumulated other comprehensive loss in shareholders’ equity related to the interest rate exchange agreement associated with the 4.20% Senior Notes and wrote off the remaining $0.1 million of deferred issuance costs and $0.1 million of the debt issuance discount associated with the 4.20% Senior Notes as well as $0.4 million of deferred taxes for a total loss on early debt redemption of $8.6 million which was recorded within Other expense (income) - net in the Condensed Consolidated Statements of Operations during the nine months ended September 30, 2021.

21

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

Issuance of 3.00% Senior Notes in 2020

On April 29, 2020, the Company completed a public offering of $500.0 million in aggregate principal amount of 3.00% Senior Notes due May 2030 (the “3.00% Senior Notes”). The net proceeds from the offering were approximately $494.4 million, after deducting the issuance discount of $0.9 million, the underwriting commission of $3.3 million and offering expenses of $1.4 million. The net proceeds were used to redeem and repay the $300.0 million aggregate principal amount outstanding of its 4.50% Senior Notes due December 15, 2020 and the related accrued interest and make-whole redemption premium, with the balance used for general corporate purposes. The 3.00% Senior Notes bear interest at a rate of 3.00% per annum, which is payable semi-annually in arrears on May 1 and November 1 of each year. The 3.00% Senior Notes mature on May 1, 2030.

On April 27, 2020, the Company provided notice of its election to redeem early, on May 27, 2020, the $300.0 million aggregate principal amount outstanding of its 4.50% Senior Notes at a redemption price of $300.0 million plus a make-whole redemption premium of $6.8 million and accrued and unpaid interest of $6.1 million using proceeds from the Company’s 3.00% Senior Notes. In addition, the Company recognized the remaining $1.4 million of the pre-tax amount included in Accumulated other comprehensive loss in shareholders’ equity related to the interest rate exchange agreement associated with the 4.50% Senior Notes and wrote off the remaining $0.1 million of deferred issuance costs and $0.1 million of the debt issuance discount associated with the 4.50% Senior Notes for a total loss on early debt redemption of $8.4 million which was recorded within Other expense (income) - net in the Condensed Consolidated Statements of Operations during the nine months ended September 30, 2020.

Revolving Facility

On May 31, 2019, the Company entered into a credit agreement (the “Credit Agreement”) along with certain of its subsidiaries, as borrowers (the “Borrowers”), Bank of America, N.A., as administrative agent, swing line lender and an issuer of letters of credit, with other agents party thereto. The Credit Agreement consists of a revolving credit facility (the “Revolving Facility”) in an aggregate principal amount of $800 million with a final maturity date of May 31, 2024. The maturity date may be extended under certain conditions for an additional one-year term. Up to $75 million of the Revolving Facility is available for the issuance of letters of credit. Additionally, up to $50 million of the Revolving Facility is available to the Company for swing line loans, available on a same-day basis.

Borrowings under the Credit Agreement bear interest, at either an alternate base rate or adjusted LIBOR plus, in each case, an applicable margin. Such applicable margin is based on the lower of the Company’s senior, unsecured, long-term debt rating or the Company’s applicable leverage ratio and can range from 0.00% to 1.275%. Interest is payable (a) in the case of base rate loans, quarterly, and (b) in the case of LIBOR loans, on the last day of the applicable interest period selected, or every three months from the effective date of such interest period for interest periods exceeding three months.

At September 30, 2021, there was no balance outstanding under the Revolving Facility and $7.2 million of outstanding letters of credit, resulting in a net available borrowing capacity under the Revolving Facility at September 30, 2021 of approximately $792.8 million.

At September 30, 2021, the Company was in compliance with covenants contained in the Credit Agreement and other long-term debt agreements.

12.    Derivative Instruments

The Company enters into cash flow hedges from time to time to reduce the exposure to variability in certain expected future cash flows. The types of cash flow hedges the Company enters into include foreign currency exchange contracts designed to minimize the earnings impact on certain intercompany loans as well as interest rate exchange agreements designed to reduce the impact of interest rate changes on future interest expense that effectively convert a portion of floating-rate debt to fixed-rate debt.

The effective portion of gains or losses on interest rate exchange agreements is reported in Accumulated other comprehensive loss in shareholders’ equity and reclassified into net income in the same period or periods in which the hedged transaction affects net income. The remaining gain or loss in excess of the cumulative change in the present value of future cash flows or the hedged item, if any, is recognized in net income during the period of change. See Note 16 for the amount of loss

22

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

reclassified into net income for interest rate contracts for the three and nine months ended September 30, 2021 and 2020. As of September 30, 2021, the Company did not have any interest rate contracts outstanding.

In 2010 and 2011, the Company entered into two separate forward starting interest rate exchange agreements in anticipation of the issuance of the 4.50% Senior Notes and the 4.20% Senior Notes. The Company cash settled these two interest rate contracts in 2010 and 2011 for a total of $68.9 million, which was being amortized into interest expense over the 10 year terms of the respective debt instruments. In conjunction with the early redemption of the 4.50% Senior Notes on May 27, 2020, the Company accelerated the recognition of the remaining $1.4 million of the pre-tax amount included in Accumulated other comprehensive loss in shareholders’ equity related to the 4.50% Senior Notes and recorded such as Other expense (income) - net in the Condensed Consolidated Statements of Operations during the nine months ended September 30, 2020. In conjunction with the early redemption of the 4.20% Senior Notes on June 16, 2021, the Company accelerated the recognition of the remaining $1.3 million of the pre-tax amount included in Accumulated other comprehensive loss in shareholders’ equity related to the 4.20% Senior Notes and recorded such as Other expense (income) - net in the Condensed Consolidated Statements of Operations during the nine months ended September 30, 2021. As of September 30, 2021, there was no balance in Accumulated other comprehensive loss related to the cumulative unrealized gain (loss) on derivatives.

13.    Fair Value Measurements

ASC 820, Fair Value Measurements and Disclosures, defines fair value, provides guidance for measuring fair value and requires certain disclosures. This standard discusses valuation techniques, such as the market approach (comparable market prices), the income approach (present value of future income or cash flow) and the cost approach (cost to replace the service capacity of an asset or replacement cost). The standard utilizes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The following is a brief description of those three levels:

•Level 1: Observable inputs such as quoted prices (unadjusted) in active markets for identical assets or liabilities.

•Level 2: Inputs, other than quoted prices that are observable for the asset or liability, either directly or indirectly. These include quoted prices for similar assets or liabilities in active markets and quoted prices for identical or similar assets or liabilities in markets that are not active.

•Level 3: Unobservable inputs that reflect the reporting entity’s own assumptions.

The following table summarizes the basis used to measure the Company’s financial assets (liabilities) at fair value on a recurring basis in the balance sheets at September 30, 2021 and December 31, 2020:

	Basis of Fair Value Measurements
	Balance at September 30, 2021		Level 1		Level 2		Level 3
Trading securities - mutual funds held in nonqualified SERP(1)	$	10,842	$	10,842	$	—	$	—
Trading securities - fixed income(2)	9,834		9,834		—		—
Trading securities - equities(2)	1,061		1,061		—		—

	Basis of Fair Value Measurements
	Balance at December 31, 2020		Level 1		Level 2		Level 3
Trading securities - mutual funds held in nonqualified SERP(1)	$	13,554	$	13,554	$	—	$	—

(1) The Supplemental Executive Retirement Plan (“SERP”) investment assets are offset by a SERP liability which represents the Company’s obligation to distribute SERP funds to participants.

(2) See Note 19 for further discussion of surplus plan assets following the termination of the IDEX Corporation Retirement Plan.

There were no transfers of assets or liabilities between Level 1 and Level 2 during the three and nine months ended September 30, 2021 or the year ended December 31, 2020.

23

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

The carrying values of the Company’s cash and cash equivalents, accounts receivable, accounts payable and accrued expenses approximate their fair values because of the short term nature of these instruments. At September 30, 2021, the fair value of the outstanding indebtedness under the Company’s 2.625% Senior Notes, 3.00% Senior Notes, 3.20% Senior Notes, 3.37% Senior Notes and other borrowings based on quoted market prices and current market rates for debt with similar credit risk and maturity was approximately $1,248.9 million compared to the carrying value of $1,198.7 million. At December 31, 2020, the fair value of the outstanding indebtedness under the Company’s 3.00% Senior Notes, 3.20% Senior Notes, 3.37% Senior Notes, 4.20% Senior Notes and other borrowings based on quoted market prices and current market rates for debt with similar credit risk and maturity was approximately $1,127.6 million compared to the carrying value of $1,049.3 million. These fair value measurements are classified as Level 2 within the fair value hierarchy since they are determined based upon significant inputs observable in the market, including interest rates on recent financing transactions to entities with a credit rating similar to the Company’s rating.

14.    Leases

    The Company leases certain office facilities, warehouses, manufacturing plants, equipment (which includes both office and plant equipment) and vehicles under operating leases. Leases with an initial term of 12 months or less are not recorded on the balance sheet; the Company recognizes lease expense for these leases on a straight-line basis over the lease term.

Certain leases include one or more options to renew. The exercise of lease renewal options is at the Company’s sole discretion. The Company does not include renewal periods in any of the leases’ terms until the renewal is executed as they are generally not reasonably certain of being exercised. The Company does not have any material purchase options.

Certain of the Company’s lease agreements have rental payments that are adjusted periodically for inflation or that are based on usage. The Company’s lease agreements do not contain any material residual value guarantees or material restrictive covenants.

Supplemental balance sheet information related to leases as of September 30, 2021 and December 31, 2020 was as follows:

	Balance Sheet Caption	September 30, 2021		December 31, 2020
Operating leases:
Building right-of-use assets - net	Other noncurrent assets	$	104,601	$	100,775
Equipment right-of-use assets - net	Other noncurrent assets	6,319		5,811
Total right-of-use assets - net		$	110,920	$	106,586
Operating leases:
Current lease liabilities	Accrued expenses	$	17,597	$	16,721
Noncurrent lease liabilities	Other noncurrent liabilities	96,927		94,250
Total lease liabilities		$	114,524	$	110,971

The components of lease cost for the three and nine months ended September 30, 2021 and 2020 were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Operating lease cost (1)	$	9,258	$	7,349	$	23,754	$	19,663
Variable lease cost	730		426		1,903		1,380
Total lease expense	$	9,988	$	7,775	$	25,657	$	21,043

(1) Includes short-term leases, which are immaterial.

24

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

Supplemental cash flow information related to leases for the nine months ended September 30, 2021 and 2020 was as follows:

	Nine Months Ended September 30,
	2021		2020
Cash paid for amounts included in the measurement of operating lease liabilities	$	23,134	$	19,198
Right-of-use assets obtained in exchange for new operating lease liabilities	13,853		36,707

Other supplemental information related to leases as of September 30, 2021 and December 31, 2020 was as follows:

Lease Term and Discount Rate	September 30, 2021		December 31, 2020
Weighted-average remaining lease term (years):
Operating leases - building and equipment	8.65		9.43
Operating leases - vehicles	2.25		2.01
Weighted-average discount rate:
Operating leases - building and equipment	3.27	%	3.51	%
Operating leases - vehicles	1.30	%	2.05	%

The Company uses its incremental borrowing rate to determine the present value of the lease payments.

Total lease liabilities at September 30, 2021 have scheduled maturities as follows:

Maturity of Lease Liabilities	Operating Leases
2021 (excluding the nine months ended September 30, 2021)	$	5,105
2022	19,884
2023	18,014
2024	15,130
2025	13,403
Thereafter	60,478
Total lease payments	132,014
Less: Imputed interest	(17,490)
Present value of lease liabilities	$	114,524

Total lease liabilities at December 31, 2020 had scheduled maturities as follows:

Maturity of Lease Liabilities	Operating Leases
2021	$	19,717
2022	17,014
2023	13,662
2024	11,681
2025	11,141
Thereafter	57,570
Total lease payments	130,785
Less: Imputed interest	(19,814)
Present value of lease liabilities	$	110,971

25

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

15.    Restructuring Expenses and Asset Impairments

During the three and nine months ended September 30, 2021, the Company incurred restructuring costs to facilitate long-term, sustainable growth through cost reduction actions, consisting of employee reductions, facility rationalization and asset impairments. Restructuring costs include severance benefits, exit costs and asset impairments and are included in Restructuring expenses and asset impairments in the Condensed Consolidated Statements of Operations. Severance costs primarily consist of severance benefits through payroll continuation, COBRA subsidies, outplacement services, conditional separation costs and employer tax liabilities, while exit costs primarily consist of lease exit and contract termination costs.

In the first nine months of 2021, the Company consolidated certain facilities within the FMT segment which resulted in asset impairments of $0.8 million related to property, plant and equipment that was not relocated to the new locations.

Pre-tax restructuring expenses and asset impairments by segment for the three and nine months ended September 30, 2021 and 2020 were as follows:

	Three Months Ended September 30, 2021
	Severance Costs		Exit Costs		Asset Impairment		Total
Fluid & Metering Technologies	$	1,345	$	—	$	589	$	1,934
Health & Science Technologies	626		—		—		626
Fire & Safety/Diversified Products	(55)		—		—		(55)
Corporate/Other	699		—		—		699
Total restructuring costs	$	2,615	$	—	$	589	$	3,204

	Three Months Ended September 30, 2020
	Severance Costs		Exit Costs		Asset Impairment		Total
Fluid & Metering Technologies	$	500	$	—	$	85	$	585
Health & Science Technologies	978		—		—		978
Fire & Safety/Diversified Products	1,249		—		—		1,249
Corporate/Other	105		—		—		105
Total restructuring costs	$	2,832	$	—	$	85	$	2,917

	Nine Months Ended September 30, 2021
	Severance Costs		Exit Costs		Asset Impairment		Total
Fluid & Metering Technologies	$	3,972	$	—	$	815	$	4,787
Health & Science Technologies	1,693		—		—		1,693
Fire & Safety/Diversified Products	161		—		—		161
Corporate/Other	1,927		—		—		1,927
Total restructuring costs	$	7,753	$	—	$	815	$	8,568

26

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

	Nine Months Ended September 30, 2020
	Severance Costs		Exit Costs		Asset Impairment		Total
Fluid & Metering Technologies	$	2,348	$	—	$	85	$	2,433
Health & Science Technologies	2,162		—		—		2,162
Fire & Safety/Diversified Products	1,890		—		—		1,890
Corporate/Other	273		—		—		273
Total restructuring costs	$	6,673	$	—	$	85	$	6,758

Restructuring accruals of $3.3 million and $3.9 million at September 30, 2021 and December 31, 2020, respectively, are reflected in Accrued expenses in the Company’s Condensed Consolidated Balance Sheets. Severance benefits are expected to be paid in the next twelve months using cash from operations. The changes in the restructuring accrual for the nine months ended September 30, 2021 are as follows:

	Restructuring
Balance at January 1, 2021	$	3,868
Restructuring expenses (1)	7,753
Payments, utilization and other	(8,306)
Balance at September 30, 2021	$	3,315

(1) Excludes $0.8 million of asset impairments related to property, plant and equipment.

27

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

16.    Other Comprehensive Income (Loss)

The components of Other comprehensive income (loss) are as follows:

	Three Months Ended September 30, 2021						Three Months Ended September 30, 2020
	Pre-tax		Tax		Net of tax		Pre-tax		Tax		Net of tax
Cumulative translation adjustment	$	(28,703)	$	—	$	(28,703)	$	47,343	$	—	$	47,343
Pension and other postretirement adjustments	1,175		(335)		840		462		(171)		291
Reclassification adjustments for derivatives	—		—		—		869		(197)		672
Total other comprehensive income (loss)	$	(27,528)	$	(335)	$	(27,863)	$	48,674	$	(368)	$	48,306

	Nine Months Ended September 30, 2021						Nine Months Ended September 30, 2020
	Pre-tax		Tax		Net of tax		Pre-tax		Tax		Net of tax
Cumulative translation adjustment	$	(56,887)	$	—	$	(56,887)	$	40,158	$	—	$	40,158
Pension and other postretirement adjustments	14,238		(3,443)		10,795		2,767		(811)		1,956
Reclassification adjustments for derivatives	3,275		(744)		2,531		5,153		(1,171)		3,982
Total other comprehensive income (loss)	$	(39,374)	$	(4,187)	$	(43,561)	$	48,078	$	(1,982)	$	46,096

The amounts reclassified from Accumulated other comprehensive loss to net income during the three and nine months ended September 30, 2021 and 2020 are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020		Income Statement Caption
Pension and other postretirement plans:
Amortization of net (gain) loss	$	1,175	$	462	$	14,238	$	2,767	Other expense (income) - net
Total before tax	1,175		462		14,238		2,767
Provision for income taxes	(335)		(171)		(3,443)		(811)
Total net of tax	$	840	$	291	$	10,795	$	1,956
Derivatives:
Reclassification adjustments	$	—	$	869	$	3,275	$	5,153	Interest expense, Other expense (income) - net
Total before tax	—		869		3,275		5,153
Provision for income taxes	—		(197)		(744)		(1,171)
Total net of tax	$	—	$	672	$	2,531	$	3,982

During the nine months ended September 30, 2021, the Company recognized the remaining $1.3 million of the pre-tax amount included in Accumulated other comprehensive loss in shareholders’ equity related to the 4.20% Senior Notes as Other expense (income) - net in the Condensed Consolidated Statements of Operations. As of September 30, 2021, there was no balance in Accumulated other comprehensive loss related to the cumulative unrealized gain (loss) on derivatives.

28

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

17.    Common and Preferred Stock

On March 17, 2020, the Company’s Board of Directors approved an increase of $500.0 million in the authorized level of repurchases of common stock. This approval is in addition to the prior repurchase authorization of the Board of Directors of $300.0 million on December 1, 2015. These authorizations have no expiration date. Repurchases under the program will be funded with future cash flow generation or borrowings available under the Revolving Facility. There were no share repurchases during the nine months ended September 30, 2021. During the nine months ended September 30, 2020, the Company repurchased a total of 876 thousand shares at a cost of $110.3 million. As of September 30, 2021, the amount of share repurchase authorizations remaining was $712.0 million.

At September 30, 2021 and December 31, 2020, the Company had 150 million shares of authorized common stock, with a par value of $.01 per share, and five million shares of authorized preferred stock, with a par value of $.01 per share. No preferred stock was outstanding at September 30, 2021 or December 31, 2020.

18.    Share-Based Compensation

The Company typically grants equity awards annually at its regularly scheduled first quarter meeting of the Board of Directors based on the recommendation from the Compensation Committee.

Stock Options

Stock options generally vest ratably over four years. Weighted average option fair values and assumptions for the periods specified are disclosed below. The fair value of each option grant was estimated on the date of the grant using the Binomial lattice option pricing model (for options granted before March 2021) or the Black Scholes valuation model (for options granted after February 2021).

	Three Months Ended September 30,		Nine Months Ended September 30,
	2021	2020	2021	2020
Weighted average fair value of grants	$45.44	$31.60	$38.86	$34.22
Dividend yield	0.96%	1.18%	1.01%	1.15%
Volatility	24.60%	23.71%	23.77%	22.04%
Risk-free interest rate	0.71% - 0.82%	0.14% - 0.70%	0.12% - 1.54%	1.40% - 1.66%
Expected life (in years)	4.90	5.81	5.70	5.80

Total compensation cost for stock options is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of goods sold	$	100	$	107	$	436	$	389
Selling, general and administrative expenses	1,789		2,177		6,269		7,449
Total expense before income taxes	1,889		2,284		6,705		7,838
Income tax benefit	(180)		(216)		(628)		(801)
Total expense after income taxes	$	1,709	$	2,068	$	6,077	$	7,037

29

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

A summary of the Company’s stock option activity as of September 30, 2021 and changes during the nine months ended September 30, 2021 are presented in the following table:

Stock Options	Shares	Weighted Average Price		Weighted-Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at January 1, 2021	963,726	$	125.70	6.94	$	70,829,529
Granted	278,605	198.21
Exercised	(131,685)	111.07
Forfeited	(37,979)	165.68
Outstanding at September 30, 2021	1,072,667	$	144.92	7.07	$	66,728,398
Vested and expected to vest as of September 30, 2021	1,021,851	$	142.97	6.98	$	65,520,705
Exercisable at September 30, 2021	495,853	$	106.25	5.28	$	49,933,371

Restricted Stock

Restricted stock awards generally cliff vest after three years for employees and non-employee directors. Unvested restricted stock carries dividend and voting rights and the sale of the shares is restricted prior to the date of vesting. A summary of the Company’s restricted stock activity as of September 30, 2021 and changes during the nine months ended September 30, 2021 are presented as follows:

Restricted Stock	Shares	Weighted-Average Grant Date Fair Value
Unvested at January 1, 2021	111,300	$	147.13
Granted	37,985	205.64
Vested	(28,874)	137.25
Forfeited	(6,735)	169.41
Unvested at September 30, 2021	113,676	$	168.24

Dividends are paid on restricted stock awards and their fair value is equal to the market price of the Company’s stock at the date of the grant.

30

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

Total compensation cost for restricted stock awards is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of goods sold	$	85	$	69	$	318	$	255
Selling, general and administrative expenses	1,290		963		3,856		2,809
Total expense before income taxes	1,375		1,032		4,174		3,064
Income tax benefit	(264)		(217)		(846)		(643)
Total expense after income taxes	$	1,111	$	815	$	3,328	$	2,421

Cash-Settled Restricted Stock

The Company also maintains a cash-settled share based compensation plan for certain employees. Cash-settled restricted stock awards generally cliff vest after three years. Cash-settled restricted stock awards are recorded at fair value on a quarterly basis using the market price of the Company’s stock on the last day of the quarter. A summary of the Company’s unvested cash-settled restricted stock activity as of September 30, 2021 and changes during the nine months ended September 30, 2021 are presented in the following table:

Cash-Settled Restricted Stock	Shares	Weighted-Average Fair Value
Unvested at January 1, 2021	63,940	$	199.20
Granted	22,385	198.85
Vested	(22,921)	199.51
Forfeited	(3,930)	206.95
Unvested at September 30, 2021	59,474	$	206.95

Dividend equivalents are paid on certain cash-settled restricted stock awards. Total compensation cost for cash-settled restricted stock is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of goods sold	$	60	$	283	$	414	$	595
Selling, general and administrative expenses	364		1,319		2,695		2,433
Total expense before income taxes	424		1,602		3,109		3,028
Income tax benefit	(21)		(150)		(233)		(286)
Total expense after income taxes	$	403	$	1,452	$	2,876	$	2,742

Performance Share Units

Weighted average performance share unit fair values and assumptions for the period specified are disclosed below. The performance share units are market condition awards and have been assessed at fair value on the date of grant using a Monte Carlo simulation model.

	Nine Months Ended September 30,
	2021	2020
Weighted average fair value of grants	$247.49	$224.14
Dividend yield	—%	—%
Volatility	28.6%	19.5%
Risk-free interest rate	0.33%	1.30%
Expected life (in years)	2.93	2.94

31

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

A summary of the Company’s performance share unit activity as of September 30, 2021 and changes during the nine months ended September 30, 2021 are presented in the following table:

Performance Share Units	Shares	Weighted-Average Grant Date Fair Value
Unvested at January 1, 2021	58,695	$	218.16
Granted	29,020	247.49
Vested	—	—
Forfeited	(5,850)	212.44
Unvested at September 30, 2021	81,865	$	227.90

On December 31, 2020, 24,305 performance share units vested. Based on the Company’s relative total shareholder return rank during the three year period ended December 31, 2020, the Company achieved a 201% payout factor and issued 48,867 common shares in February 2021 for awards that vested in 2020.

Total compensation cost for performance share units is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of goods sold	$	—	$	—	$	—	$	—
Selling, general and administrative expenses	1,642		2,572		4,587		7,225
Total expense before income taxes	1,642		2,572		4,587		7,225
Income tax benefit	(84)		(49)		(195)		(157)
Total expense after income taxes	$	1,558	$	2,523	$	4,392	$	7,068

The Company’s policy is to recognize compensation cost on a straight-line basis, assuming forfeitures, over the requisite service period for the entire award. Classification of stock compensation cost within the Condensed Consolidated Statements of Operations is consistent with classification of cash compensation for the same employees.

As of September 30, 2021, there was $11.5 million of total unrecognized compensation cost related to stock options that is expected to be recognized over a weighted-average period of 1.3 years, $7.8 million of total unrecognized compensation cost related to restricted stock that is expected to be recognized over a weighted-average period of 1.1 years, $4.3 million of total unrecognized compensation cost related to cash-settled restricted shares that is expected to be recognized over a weighted-average period of 1.0 years and $6.1 million of total unrecognized compensation cost related to performance share units that is expected to be recognized over a weighted-average period of 0.9 years.

32

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

19.    Retirement Benefits

The Company sponsors several qualified and nonqualified defined benefit and defined contribution pension plans and other postretirement plans for its employees. The following tables provide the components of net periodic benefit cost for its major defined benefit plans and its other postretirement plans.

	Pension Benefits
	Three Months Ended September 30,
	2021				2020
	U.S.		Non-U.S.		U.S.		Non-U.S.
Service cost	$	38	$	508	$	34	$	539
Interest cost	43		183		312		263
Expected return on plan assets	(39)		(253)		(927)		(291)
Settlement loss recognized	—		—		326		—
Net amortization	74		548		643		427
Net periodic cost	$	116	$	986	$	388	$	938

	Pension Benefits
	Nine Months Ended September 30,
	2021				2020
	U.S.		Non-U.S.		U.S.		Non-U.S.
Service cost	$	113	$	1,523	$	103	$	1,620
Interest cost	209		549		963		789
Expected return on plan assets	(815)		(758)		(2,804)		(873)
Settlement loss recognized	10,496		—		702		—
Net amortization	299		1,645		852		1,279
Net periodic (benefit) cost	$	10,302	$	2,959	$	(184)	$	2,815

	Other Postretirement Benefits
	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Service cost	$	179	$	154	$	535	$	463
Interest cost	102		156		307		469
Net amortization	(169)		(135)		(508)		(407)
Net periodic cost	$	112	$	175	$	334	$	525

The Company expects to contribute approximately $3.4 million to its defined benefit plans and $1.0 million to its other postretirement benefit plans in 2021. During the first nine months of 2021, the Company contributed a total of $3.3 million to fund these plans.

Effective September 30, 2019, the IDEX Corporation Retirement Plan (“Plan”), a U.S. defined benefit plan, was amended to freeze the accrual of retirement benefits for all participants. This action impacted fewer than 60 participants, as the Plan had been closed to new entrants as of December 31, 2004 and frozen as of December 31, 2005 for all but certain older, longer service participants. Subsequent to the freeze, termination of the Plan was approved in November 2019. Participants were notified in February 2020 and the Plan was terminated in May 2020. During the nine months ended September 30, 2021, the Company settled its remaining obligations under the U.S. pension plan through a combination of lump-sum payments to eligible participants who elected them, and through the purchase of annuities from Legal and General, an A rated third-party insurer. The Company recognized a net loss of $9.7 million, which was recorded within Other expense (income) - net. The net loss consisted of $10.7 million related to previously deferred pension related costs, partially offset by $1.0 million related to an increase in plan assets remaining after the settlement. As of September 30, 2021, the Plan had surplus plan assets of

33

IDEX CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Amounts in thousands except share data and where otherwise indicated)

(unaudited)

approximately $10.9 million, consisting of investments in equities of $1.1 million and fixed income of $9.8 million. These plan assets are included in Other current assets on the Company’s Condensed Consolidated Balance Sheets and will be used to fund the Company’s other retirement benefit plans over the next twelve months.

20.    Legal Proceedings

The Company and certain of its subsidiaries are involved in pending and threatened legal, regulatory and other proceedings arising in the ordinary course of business. These proceedings may pertain to matters such as product liability or contract disputes, and may also involve governmental inquiries, inspections, audits or investigations relating to issues such as tax matters, intellectual property, environmental, health and safety issues, governmental regulations, employment and other matters. Although the results of such legal proceedings cannot be predicted with certainty, the Company believes that the ultimate disposition of these matters will not have a material adverse effect, individually or in the aggregate, on the Company’s business, financial condition, results of operations or cash flows.

In evaluating whether to accrue for a contingency, the Company considers the facts and circumstances asserted, historical experience, the likelihood of prevailing and the severity of any potential loss. In the second quarter of 2021, the Company recorded a contingent reserve of $3.9 million associated with a Corporate transaction indemnity for a prior divestiture. During the three months ended September 30, 2021, the Company reached and paid a final settlement of $3.5 million.

21.    Income Taxes

The Company’s provision for income taxes is based upon estimated annual tax rates for the year applied to federal, state and foreign income. The provision for income taxes increased to $35.3 million for the three months ended September 30, 2021 compared to $17.4 million during the same period in 2020. The effective tax rate increased to 23.4% for the three months ended September 30, 2021 compared to 14.4% during the same period in 2020 primarily due to the impact of the finalization of the Global Intangible Low-Tax Income (“GILTI”) regulations enacted in the third quarter of 2020 as well as a decrease in the excess tax benefit related to share-based compensation in the current period.

The provision for income taxes increased to $96.0 million for the nine months ended September 30, 2021 from $63.8 million during the same period in 2020. The effective tax rate increased to 22.5% for the nine months ended September 30, 2021 compared to 18.7% during the same period in 2020 primarily due to the impact of the finalization of the GILTI regulations enacted in the third quarter of 2020 as well as a decrease in the excess tax benefit related to share-based compensation in the current period.

The Company and its subsidiaries file income tax returns in the U.S. federal jurisdiction as well as various state and foreign jurisdictions. Due to the potential for resolution of federal, state and foreign examinations and the expiration of various statutes of limitation, it is reasonably possible that the Company’s gross unrecognized tax benefits balance may change within the next twelve months by a range of zero to $0.3 million.

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Item 2.    Management’s Discussion and Analysis of Financial Condition and Results of Operations

Cautionary Statement Under the Private Securities Litigation Reform Act

This quarterly report on Form 10-Q, including the “Overview,” “Liquidity and Capital Resources” and “Results of Operations” sections of this Management’s Discussion and Analysis of Financial Condition and Results of Operations, contains “forward-looking” statements within the meaning of the Private Securities Litigation Reform Act of 1995, as amended. These statements may relate to, among other things, the Company’s expected organic sales growth and expected earnings per share, and the assumptions underlying these expectations, plant and equipment capacity for future growth, anticipated future acquisition behavior, availability of cash and financing alternatives and the anticipated benefits of the Company’s acquisitions of both ABEL Pumps, L.P. and certain of its affiliates and Airtech Group, Inc., US Valve Corporation and related entities, and are indicated by words or phrases such as “anticipates,” “estimates,” “plans,” “guidance,” “expects,” “projects,” “forecasts,” “should,” “could,” “will,” “management believes,” “the Company believes,” “the Company intends” and similar words or phrases. These statements are subject to inherent uncertainties and risks that could cause actual results to differ materially from those anticipated at the date of this report. The risks and uncertainties include, but are not limited to, the following: the duration of the COVID-19 pandemic and the continuing effects of the COVID-19 pandemic (including the emergence of variant strains) on the Company’s ability to operate its business and facilities, on the Company’s customers, on supply chains and on the U.S. and global economy generally; economic and political consequences resulting from terrorist attacks and wars; levels of industrial activity and economic conditions in the U.S. and other countries around the world; pricing pressures and other competitive factors and levels of capital spending in certain industries, all of which could have a material impact on order rates and the Company’s results; the Company’s ability to make acquisitions and to integrate and operate acquired businesses on a profitable basis; the relationship of the U.S. dollar to other currencies and its impact on pricing and cost competitiveness; political and economic conditions in foreign countries in which the Company operates; developments with respect to trade policy and tariffs; interest rates; capacity utilization and the effect this has on costs; labor markets; supply chain backlogs, including risks affecting component availability, labor inefficiencies and freight logistical challenges; market conditions and material costs; and developments with respect to contingencies, such as litigation and environmental matters. Additional factors that could cause actual results to differ materially from those reflected in the forward-looking statements include, but are not limited to, the risks discussed in the “Risk Factors” section included in the Company’s most recent annual report on Form 10-K and the Company’s subsequent quarterly reports filed with the Securities and Exchange Commission (“SEC”) and the other risks discussed in the Company’s filings with the SEC. The forward-looking statements included here are only made as of the date of this report, and management undertakes no obligation to publicly update them to reflect subsequent events or circumstances, except as may be required by law. Investors are cautioned not to rely unduly on forward-looking statements when evaluating the information presented here.

Overview

IDEX Corporation (“IDEX” or the “Company”) is an applied solutions company specializing in the manufacture of fluid and metering technologies, health and science technologies and fire, safety and other diversified products built to customers’ specifications. IDEX’s products are sold in niche markets across a wide range of industries throughout the world. Accordingly, IDEX’s businesses are affected by levels of industrial activity and economic conditions in the U.S. and in other countries where it does business and by the relationship of the U.S. dollar to other currencies. Levels of capacity utilization and capital spending in certain industries and overall industrial activity are important factors that influence the demand for IDEX’s products.

The Company has three reportable business segments: Fluid & Metering Technologies (“FMT”), Health & Science Technologies (“HST”) and Fire & Safety/Diversified Products (“FSDP”). Within its three reportable segments, the Company maintains 13 reporting units that focus on organic growth and strategic acquisitions. Each of the 13 reporting units is tested annually for goodwill impairment.

The FMT segment designs, produces and distributes positive displacement pumps, small volume provers, flow meters, injectors and other fluid-handling pump modules and systems and provides flow monitoring and other services for the food, chemical, general industrial, water and wastewater, agriculture and energy industries. The FMT segment contains the Energy reporting unit (comprised of Corken, Liquid Controls, SAMPI, Toptech and Flow MD), the Valves reporting unit (comprised of Alfa Valvole, OBL, Richter and Aegis), the Water reporting unit (comprised of Pulsafeeder, Knight, ADS, Trebor and iPEK), the Pumps reporting unit (comprised of Viking, Warren Rupp and ABEL) and the Agriculture reporting unit (comprised of Banjo).

The HST segment designs, produces and distributes a wide range of precision fluidics, rotary lobe pumps, centrifugal and positive displacement pumps, roll compaction and drying systems used in beverage, food processing, pharmaceutical and

35

cosmetics, pneumatic components and sealing solutions, including very high precision, low-flow rate pumping solutions required in analytical instrumentation, clinical diagnostics and drug discovery, high performance molded and extruded sealing components, custom mechanical and shaft seals for a variety of end markets including food and beverage, marine, chemical, wastewater and water treatment, engineered hygienic mixers and valves for the global biopharmaceutical industry, biocompatible medical devices and implantables, air compressors and regenerative blowers used in medical, dental, alternative energy and industrial applications, optical components and coatings for applications in the fields of scientific research, defense, biotechnology, aerospace, telecommunications and electronics manufacturing, laboratory and commercial equipment used in the production of micro and nano scale materials, precision photonic solutions used in life sciences, research and defense markets and precision gear and peristaltic pump technologies that meet exacting original equipment manufacturer specifications. The HST segment contains the Scientific Fluidics & Optics reporting unit (comprised of Eastern Plastics, Rheodyne, Sapphire Engineering, Upchurch Scientific, ERC, thinXXS, CVI Melles Griot, Semrock, Advanced Thin Films and FLI), the Sealing Solutions reporting unit (comprised of Precision Polymer Engineering, FTL Seals Technology, Novotema, SFC Koenig and Velcora), the Performance Pneumatic Technologies reporting unit (comprised of Gast and Airtech), the Micropump reporting unit and the Material Processing Technologies reporting unit (comprised of Quadro, Fitzpatrick, Microfluidics and Matcon).

The FSDP segment designs, produces and develops firefighting pumps, valves and controls, rescue tools, lifting bags and other components and systems for the fire and rescue industry, engineered stainless steel banding and clamping devices used in a variety of industrial and commercial applications and precision equipment for dispensing, metering and mixing colorants and paints used in a variety of retail and commercial businesses around the world. The FSDP segment is comprised of the Fire & Safety reporting unit (comprised of Class 1, Hale, Akron Brass, Weldon, AWG Fittings, Godiva, Dinglee, Hurst Jaws of Life, Lukas and Vetter), the BAND-IT reporting unit and the Dispensing reporting unit.

Management’s primary measurements of segment performance are sales, operating income and operating margin. These measures are monitored by management and significant changes in operating results versus current trends in end markets and variances from forecasts are analyzed with segment management.

Discussed below are certain non-GAAP financial measures, including Organic sales, Adjusted operating income, Adjusted net income, Adjusted earnings per share (“EPS”), Earnings before interest, taxes, depreciation and amortization (“EBITDA”) and Adjusted EBITDA. These non-GAAP measures have been defined and reconciled to their most directly comparable U.S. GAAP measures in Item 2 under the heading “Non-GAAP Disclosures.” The non-GAAP financial measures disclosed by the Company should not be considered a substitute for, or superior to, financial measures prepared in accordance with U.S. GAAP. The financial results prepared in accordance with U.S. GAAP and the reconciliations from these results should be carefully evaluated.

Some of the Company’s key financial results for the three months ended September 30, 2021 when compared to the same period in the prior year are as follows:

•Sales of $712.0 million increased 23%; organic sales (which excludes acquisitions/divestitures and foreign currency translation) were up 15%.

•Operating income of $161.2 million increased 23%. Adjusted operating income increased 29% to $173.1 million.

•Operating margin of 22.6% was flat. Adjusted operating margin increased 120 basis points to 24.3%.

•Net income attributable to IDEX of $115.7 million increased 11%. Adjusted net income increased 18% to $125.0 million.

•EBITDA of $187.5 million was 26% of sales and covered interest expense by almost 20 times. Adjusted EBITDA of $199.4 million was 28% of sales and covered interest expense by 21 times.

•Diluted EPS of $1.51 increased 14 cents, or 10%. Adjusted EPS of $1.63 increased 23 cents, or 16%.

Some of the Company’s key financial results for the nine months ended September 30, 2021 when compared to the same period in the prior year are as follows:

•Sales of $2,050.0 million increased 18%; organic sales (which excludes acquisitions/divestitures and foreign currency translation) were up 12%.

•Operating income of $475.0 million increased 24%. Adjusted operating income increased 27% to $498.6 million.

•Operating margin increased 120 basis points to 23.2%. Adjusted operating margin increased 170 basis points to 24.3%.

•Net income attributable to IDEX of $330.6 million increased 19%. Adjusted net income increased 25% to $363.1 million.

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•EBITDA of $531.0 million was 26% of sales and covered interest expense by almost 17 times. Adjusted EBITDA of $572.9 million was 28% of sales and covered interest expense by over 18 times.

•Diluted EPS of $4.33 increased 69 cents, or 19%. Adjusted EPS of $4.75 increased 91 cents, or 24%.

Results of Operations

The following is a discussion and analysis of the Company’s results of operations for the three and nine months ended September 30, 2021 and 2020.

Consolidated Results for the Three and Nine Months Ended September 30, 2021 Compared with the Same Period in 2020

(In thousands except per share amounts)	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Net sales	$	712,019	$	581,113	$	2,050,002	$	1,736,824
Cost of sales	400,450		329,613		1,139,738		978,568
Gross profit	311,569		251,500		910,264		758,256
Selling, general and administrative expenses	147,180		117,370		426,708		369,750
Restructuring expenses and asset impairments	3,204		2,917		8,568		6,758
Operating income	161,185		131,213		474,988		381,748
Other expense (income) - net	630		(704)		16,957		7,321
Interest expense	9,498		10,642		31,479		33,958
Income before taxes	151,057		121,275		426,552		340,469
Provision for income taxes	35,343		17,427		95,987		63,759
Net income	115,714		103,848		330,565		276,710
Net loss attributable to noncontrolling interest	28		—		80		—
Net income attributable to IDEX	$	115,742	$	103,848	$	330,645	$	276,710
Basic earnings per common share attributable to IDEX	$	1.52	$	1.38	$	4.35	$	3.66
Diluted earnings per common share attributable to IDEX	$	1.51	$	1.37	$	4.33	$	3.64

Sales in the third quarter of 2021 were $712.0 million, which was a 23% increase compared to the same period in 2020. This reflects a 15% increase in organic sales, a net 7% increase from acquisitions (Airtech - June 2021 and ABEL - March 2021) and a 1% favorable impact from foreign currency translation. Sales to customers outside the U.S. represented approximately 49% of total sales in the third quarter of 2021 compared to 51% during the same period in 2020.

Sales in the first nine months of 2021 were $2,050.0 million, which was an 18% increase compared to the same period in 2020. This reflects a 12% increase in organic sales, a net 3% increase from acquisitions (Airtech - June 2021, ABEL - March 2021 and Flow MD - February 2020) and a 3% favorable impact from foreign currency translation. Sales to customers outside the U.S. represented approximately 52% of total sales in the first nine months of 2021 compared to 50% during the same period in 2020.

Gross profit of $311.6 million in the third quarter of 2021 increased $60.1 million, or 24%, compared to the same period in 2020 and gross margin of 43.8% in the third quarter of 2021 increased 50 basis points from 43.3% during the same period in 2020. Gross profit of $910.3 million in the first nine months of 2021 increased $152.0 million, or 20%, compared to the same period in 2020 and gross margin of 44.4% in the first nine months of 2021 increased 70 basis points from 43.7% during the same period in 2020. These increases are a result of higher volume and price capture, partially offset by the fair value inventory step-up charges related to both the ABEL and Airtech acquisitions, inflation and supply chain constraints.

Selling, general and administrative expenses increased to $147.2 million in the third quarter of 2021 from $117.4 million during the same period in 2020 and to $426.7 million in the first nine months of 2021 from $369.8 million during the same period in 2020. The increase in both comparative periods was primarily due to higher fixed and variable compensation expenses and amortization from both the ABEL and Airtech acquisitions. Additionally, expenses in the first nine months of 2021 include the impact of the settlement for a Corporate transaction indemnity and higher professional fees related to acquisitions as compared to the prior year period. As a percentage of sales, selling, general and administrative expenses were 20.7% for the

37

third quarter of 2021, up 50 basis points compared to 20.2% during the same period in 2020, and 20.8% for the first nine months of 2021, down 50 basis points compared to 21.3% during the same period in 2020.

The Company incurred $3.2 million and $8.6 million of restructuring expenses and asset impairments in the three and nine months ended September 30, 2021, respectively, primarily related to severance benefits for cost reduction actions consisting of employee reductions as well as asset impairments related to property, plant and equipment resulting from the consolidation of certain facilities. The restructuring expenses in the three and nine months ended September 30, 2020 primarily related to severance benefits for cost reduction actions primarily consisting of employee reductions due to lower demand as a result of the COVID-19 pandemic.

Operating income of $161.2 million in the third quarter of 2021 was higher than the $131.2 million recorded during the same period in 2020, while operating margin of 22.6% was flat compared with the same period in 2020. Operating income of $475.0 million and operating margin of 23.2% in the first nine months of 2021 were up from the $381.7 million and 22.0%, respectively, recorded during the same period in 2020. The increase in operating income in both comparative periods was driven by higher volume and price capture, partially offset by amortization and the fair value inventory step-up charges related to the ABEL and Airtech acquisitions, inflation, supply chain constraints and targeted increases in discretionary spending.

Other expense (income) - net increased to $0.6 million of expense in the third quarter of 2021 compared to $0.7 million of income during the same period in 2020, primarily due to $1.2 million of losses on trading securities. Other expense (income) - net was $17.0 million of expense in the first nine months of 2021 compared to $7.3 million of expense during the same period in 2020, primarily due to a $9.7 million noncash loss related to the termination of the U.S. pension plan in the current year period. Other expense (income) - net includes a loss on early debt redemption of $8.6 million for the nine months ended September 30, 2021 and $8.4 million for the nine months ended September 30, 2020.

Interest expense decreased in both comparative periods as a result of lower interest rates on the Senior Notes, partially offset by an increase in the amount of debt outstanding compared to the prior year.

The Company’s provision for income taxes is based upon estimated annual tax rates for the year applied to federal, state and foreign income. The provision for income taxes increased to $35.3 million in the third quarter of 2021 compared to $17.4 million during the same period in 2020. The effective tax rate increased to 23.4% in the third quarter of 2021 compared to 14.4% during the same period in 2020. The provision for income taxes increased to $96.0 million in the first nine months of 2021 compared to $63.8 million during the same period in 2020. The effective tax rate increased to 22.5% in the first nine months of 2021 compared to 18.7% during the same period in 2020. The increase in both comparative periods was primarily due to the impact of the finalization of the GILTI regulations enacted in the third quarter of 2020 as well as a decrease in the excess tax benefit related to share-based compensation in the current period.

Net income attributable to IDEX of $115.7 million in the third quarter of 2021 increased from $103.8 million during the same period in 2020. Diluted earnings per share of $1.51 in the third quarter of 2021 increased $0.14, or 10%, compared to the same period in 2020.

Net income attributable to IDEX of $330.6 million in the first nine months of 2021 increased from $276.7 million during the same period in 2020. Diluted earnings per share of $4.33 in the first nine months of 2021 increased $0.69, or 19%, compared to the same period in 2020.

The table below illustrates sales, operating income and EBITDA contributed by each segment on a basis of total segments (not total Company) for the three and nine months ended September 30, 2021. Segment operating income and EBITDA exclude unallocated corporate operating expenses of $17.3 million and $14.2 million for the three months ended September 30, 2021 and 2020, respectively, and $59.9 million and $48.9 million for the nine months ended September 30, 2021 and 2020, respectively.

	Three Months Ended September 30, 2021								Nine Months Ended September 30, 2021
	FMT		HST		FSDP		IDEX		FMT		HST		FSDP		IDEX
Sales	35	%	43	%	22	%	100	%	36	%	40	%	24	%	100	%
Operating Income	39	%	39	%	22	%	100	%	36	%	40	%	24	%	100	%
EBITDA	37	%	42	%	21	%	100	%	35	%	42	%	23	%	100	%

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Fluid & Metering Technologies Segment

(In thousands)	Three Months Ended September 30,								Nine Months Ended September 30,
	2021			2020			Change		2021			2020			Change
Net sales	$	251,297		$	220,747		$	30,550	$	745,939		$	666,720		$	79,219
Operating income	69,020			58,402			10,618		195,384			176,111			19,273
Operating margin	27.5		%	26.5		%	100 bps		26.2		%	26.4		%	(20) bps

Sales of $251.3 million increased $30.6 million, or 14%, in the third quarter of 2021 compared to the same period in 2020. This reflects a 7% increase in organic sales, a 6% percent increase from acquisitions (ABEL - March 2021) and a 1% favorable impact from foreign currency translation. In the third quarter of 2021, sales increased 12% domestically and 16% internationally compared to the same period in 2020. Sales to customers outside the U.S. were approximately 46% of total segment sales in the third quarter of 2021 compared to 45% during the same period in 2020.

Sales of $745.9 million increased $79.2 million, or 12%, in the first nine months of 2021 compared to the same period in 2020. This reflects a 6% increase in organic sales, a 4% increase from acquisitions (ABEL - March 2021 and Flow MD - February 2020) and a 2% favorable impact from foreign currency translation. In the first nine months of 2021, sales increased 4% domestically and 23% internationally compared to the same period in 2020. Sales to customers outside the U.S. were approximately 47% of total segment sales in the first nine months of 2021 compared to 42% during the same period in 2020.

Sales within the Company’s Pumps reporting unit increased in the third quarter and first nine months of 2021 compared to the same periods in 2020 due to the acquisition of ABEL and recovery within the industrial market. Sales within the Company’s Agriculture reporting unit increased in the third quarter and first nine months of 2021 compared to the same periods in 2020 due to increased global demand. Sales within the Company’s Water reporting unit increased in the third quarter and first nine months of 2021 compared to the same periods in 2020 due to municipal water recovery and water saving projects. Sales within the Company’s Valves reporting unit slightly decreased in the third quarter of 2021 compared to the same period in 2020 primarily due to lower large project volume in the chemical market, while sales increased in the first nine months of 2021 compared to the same period in 2020 primarily due to the rebound of the global industrial landscape. Sales within the Company’s Energy reporting unit decreased in the third quarter and first nine months of 2021 compared to the same periods in 2020 due to a decline in capital spending in the oil and gas markets.

Operating income of $69.0 million and operating margin of 27.5% in the third quarter of 2021 were higher than the $58.4 million and 26.5%, respectively, recorded during the same period in 2020, primarily due to higher volume, price capture and favorable mix, partially offset by the amortization related to the ABEL acquisition, inflation, supply chain constraints and targeted increases in discretionary spending.

Operating income of $195.4 million in the first nine months of 2021 was higher than the $176.1 million recorded during the same period in 2020, while operating margin of 26.2% in the first nine months of 2021 was lower than the 26.4% recorded during the same period in 2020. The decrease in operating margin is primarily due to the fair value inventory step-up charge and amortization related to the ABEL acquisition. Higher volume, price capture and favorable mix more than offset the impacts of inflation, supply chain constraints and targeted increases in discretionary spending.

Health & Science Technologies Segment

(In thousands)	Three Months Ended September 30,								Nine Months Ended September 30,
	2021			2020			Change		2021			2020			Change
Net sales	$	302,287		$	220,378		$	81,909	$	827,668		$	660,105		$	167,563
Operating income	70,374			49,912			20,462		212,987			150,562			62,425
Operating margin	23.3		%	22.6		%	70 bps		25.7		%	22.8		%	290 bps

Sales of $302.3 million increased $81.9 million, or 37%, in the third quarter of 2021 compared to the same period in 2020. This reflects a 24% increase in organic sales, a net 12% increase from acquisitions (Airtech - June 2021) and a 1% favorable impact from foreign currency translation. In the third quarter of 2021, sales increased 50% domestically and 27% internationally compared to the same period in 2020. Sales to customers outside the U.S. were approximately 51% of total segment sales in the third quarter of 2021 compared to 55% during the same period in 2020.

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Sales of $827.7 million increased $167.6 million, or 25%, in the first nine months of 2021 compared to the same period in 2020. This reflects an 18% increase in organic sales, a net 4% increase from acquisitions (Airtech - June 2021) and a 3% favorable impact from foreign currency translation. In the first nine months of 2021, sales increased 24% domestically and 27% internationally compared to the same period in 2020. Sales to customers outside the U.S. were approximately 57% of total segment sales in the first nine months of 2021 compared to 56% during the same period in 2020.

Sales within the Company’s Performance Pneumatic Technologies reporting unit increased in the third quarter and first nine months of 2021 compared to the same periods in 2020 primarily due to the acquisition of Airtech, recovery in the industrial market and targeted growth initiatives. Sales within the Company’s Sealing Solutions reporting unit increased in the third quarter and first nine months of 2021 compared to the same periods in 2020 primarily due to strength in the semiconductor market and favorability in the automotive market. Sales within the Company’s Scientific Fluidics & Optics reporting unit increased in the third quarter and first nine months of 2021 compared to the same periods in 2020 due to recovery in analytical instrumentation as well as microfluidics and optics demand. Sales within the Company’s Micropump reporting unit increased in the third quarter and first nine months of 2021 compared to the same periods in 2020 due to recovery of demand in the inkjet printing market. Sales within the Company’s Material Processing Technologies reporting unit increased in the third quarter and first nine months of 2021 compared to the same periods in 2020 primarily due to increased demand in the food and pharmaceutical markets.

Operating income of $70.4 million and operating margin of 23.3% in the third quarter of 2021 were higher than the $49.9 million and 22.6%, respectively, recorded during the same period in 2020, while operating income of $213.0 million and operating margin of 25.7% in the first nine months of 2021 were higher than the $150.6 million and 22.8%, respectively, recorded during the same period in 2020. The increases in operating income and operating margin in both comparative periods were driven primarily by higher volume, price capture and favorable mix, partially offset by amortization and the $9.1 million fair value inventory step-up charge related to the Airtech acquisition, inflation, supply chain constraints and targeted increases in discretionary spending.

Fire & Safety/Diversified Products Segment

(In thousands)	Three Months Ended September 30,								Nine Months Ended September 30,
	2021			2020			Change		2021			2020			Change
Net sales	$	159,106		$	140,896		$	18,210	$	479,402		$	412,296		$	67,106
Operating income	39,126			37,103			2,023		126,483			103,977			22,506
Operating margin	24.6		%	26.3		%	(170) bps		26.4		%	25.2		%	120 bps

Sales of $159.1 million increased $18.2 million, or 13%, in the third quarter of 2021 compared to the same period in 2020. This reflects a 12% increase in organic sales and a 1% favorable impact from foreign currency translation. In the third quarter of 2021, sales increased 22% domestically and 5% internationally compared to the same period in 2020. Sales to customers outside the U.S. were approximately 50% of total segment sales in the third quarter of 2021 compared to 54% during the same period in 2020.

Sales of $479.4 million increased $67.1 million, or 16%, in the first nine months of 2021 compared to the same period in 2020. This reflects a 13% increase in organic sales and a 3% favorable impact from foreign currency translation. In the first nine months of 2021, sales increased 11% domestically and 21% internationally compared to the same period in 2020. Sales to customers outside the U.S. were approximately 53% of total segment sales in the first nine months of 2021 compared to 51% during the same period in 2020.

Sales within the Company’s Dispensing reporting unit increased in the third quarter and first nine months of 2021 compared to the same periods in 2020 primarily due to strong demand in the paint market. Sales within the Company’s BAND-IT reporting unit increased in the third quarter and first nine months of 2021 compared to the same periods in 2020 due to a rebound in the aerospace, energy and industrial markets. Sales within the Company’s Fire & Safety reporting unit decreased in the third quarter of 2021 compared to the same period in 2020 due to supply chain constraints and a delay in larger project tenders, while sales increased in the first nine months of 2021 compared to the same period in 2020 primarily due to recovery of the market globally for the Fire business.

Operating income of $39.1 million in the third quarter of 2021 was higher than the $37.1 million recorded during the same period in 2020, while operating margin of 24.6% in the third quarter of 2021 was lower than the 26.3% recorded during the same period in 2020. Price capture and volume leverage offsets faced stronger headwinds within the segment due to higher direct OEM exposure and higher levels of material intensity due to vertical integration.

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Operating income of $126.5 million and operating margin of 26.4% in the first nine months of 2021 were higher than the $104.0 million and 25.2%, respectively, recorded during the same period in 2020, primarily due to higher volume and price capture, partially offset by inflation, supply chain constraints and targeted increases in discretionary spending.

Corporate

Corporate costs increased to $17.3 million in the third quarter of 2021 from $14.2 million during the same period in 2020 and $59.9 million in the first nine months of 2021 compared to $48.9 million during the same period in 2020, primarily as a result of higher variable compensation and employee-related expenses.

Liquidity and Capital Resources

Liquidity

The Company believes current cash, cash from operations and cash available under the Revolving Facility will be sufficient to meet its operating cash requirements, planned capital expenditures, interest and principal payments on all borrowings, pension and postretirement funding requirements and quarterly dividend payments to holders of the Company’s common stock for the foreseeable future. Additionally, in the event that suitable businesses are available for acquisition upon acceptable terms, the Company may obtain all or a portion of the financing for these acquisitions through the incurrence of additional borrowings. As of September 30, 2021, there was no balance outstanding under the Revolving Facility and $7.2 million of outstanding letters of credit, resulting in a net available borrowing capacity under the Revolving Facility of $792.8 million. The Company believes that additional borrowings through various financing alternatives remain available, if required.

The Company also has Senior Notes outstanding. For a discussion of the Company’s Senior Notes, please see Note 11 in the Notes to Condensed Consolidated Financial Statements. At September 30, 2021, the Company was in compliance with covenants contained in the Credit Agreement and other long-term debt agreements.

Operating Activities

Cash flows from operating activities for the first nine months of 2021 decreased $5.7 million, or 1%, to $402.2 million compared to the first nine months of 2020 primarily due to unfavorable changes in working capital, partially offset by higher earnings. At September 30, 2021, working capital was $1,114.3 million and the Company’s current ratio was 3.4 to 1. At September 30, 2021, the Company’s cash and cash equivalents totaled $806.5 million, of which $527.3 million was held outside of the United States. The COVID-19 pandemic (including the emergence of variant strains) has impacted and may continue to impact the Company’s operating cash flows through direct and indirect effects on the Company’s operations, customers and supply chain. Although the Company has been able to operate through the COVID-19 pandemic with only temporary shutdowns, any future disruptions due to operational shutdowns may impact the Company’s ability to operate as well as generate operating cash flow. Based on currently available information and management’s current expectations, the Company anticipates that it has sufficient cash on hand and sufficient access to capital to continue to fund operations for at least the next twelve months.

Investing Activities

Cash flows used in investing activities for the first nine months of 2021 increased by $468.6 million to $624.2 million compared to the same period in 2020, primarily due to higher cash outflows for acquisitions and capital expenditures.

Financing Activities

Cash flows provided by financing activities for the first nine months of 2021 were $24.5 million compared to $20.8 million used in financing activities during the same period in 2020, primarily due to share repurchases in 2020 that did not reoccur in 2021, partially offset by the redemption of an incremental $50.0 million of Senior Notes as compared to the prior year period and lower proceeds from stock option exercises.

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Capital Expenditures

Cash flows from operations were more than adequate to fund capital expenditures of $45.5 million and $39.4 million in the first nine months of 2021 and 2020, respectively. The Company believes it has sufficient operating cash flow to continue to meet current obligations and invest in planned capital expenditures. Capital expenditures are generally expenditures for machinery and equipment that support growth and improved productivity, tooling, business system technology, replacement of equipment and investments in new facilities. Management believes that the Company has ample capacity in its plants and equipment to meet demand increases for future growth in the intermediate term.

Share Repurchases

On March 17, 2020, the Company’s Board of Directors approved an increase of $500.0 million in the authorized level of repurchases of common stock. This approval is in addition to the prior repurchase authorization of the Board of Directors of $300.0 million on December 1, 2015. Repurchases under the program will be funded with future cash flow generation or borrowings available under the Revolving Facility. There were no share repurchases during the nine months ended September 30, 2021. During the nine months ended September 30, 2020, the Company repurchased a total of 876 thousand shares at a cost of $110.3 million. As of September 30, 2021, the amount of share repurchase authorization remaining is $712.0 million.

Non-GAAP Disclosures

Set forth below are reconciliations of Adjusted gross profit, Adjusted operating income, Adjusted net income, Adjusted EPS, EBITDA and Adjusted EBITDA to the comparable measures of gross profit, operating income, net income and EPS, as determined in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”). The Company has reconciled Adjusted gross profit to Gross profit, Adjusted operating income to Operating income; Adjusted net income to Net income; Adjusted EPS to EPS; and consolidated EBITDA, segment EBITDA, Adjusted consolidated EBITDA and Adjusted segment EBITDA to Net income. The reconciliation of segment EBITDA and Adjusted segment EBITDA to net income was performed on a consolidated basis due to the fact that the Company does not allocate consolidated interest expense or the consolidated provision for income taxes to its segments.

Given the acquisitive nature of the Company, which results in a higher level of amortization expense from recently acquired businesses, management uses EBITDA as an internal operating metric to provide another representation of the businesses’ performance across the Company’s three segments and for enterprise valuation purposes. Management believes that EBITDA is useful to investors as an indicator of the strength and performance of the Company and a way to evaluate and compare operating performance and value companies within the Company’s industry. Management believes that EBITDA margin is useful for the same reason as EBITDA. EBITDA is also used to calculate certain financial covenants, as discussed in Note 11 in the Notes to Condensed Consolidated Financial Statements in Part I, Item 1, “Financial Statements” such as EBITDA interest coverage, which is EBITDA divided by consolidated interest expense. In addition, this report presents Adjusted EBITDA, which is EBITDA adjusted for items that are not reflective of ongoing operations, such as fair value inventory step-up charges, restructuring expenses and asset impairments, the impact of the settlement for a Corporate transaction indemnity, the loss on early debt redemption and the noncash loss related to the termination of the U.S. pension plan, and Adjusted EBITDA interest coverage, which is Adjusted EBITDA divided by consolidated interest expense. Management believes that Adjusted EBITDA is useful as a performance indicator of ongoing operations. The Company believes that Adjusted EBITDA is also useful to some investors as an indicator of the strength and performance of the Company and its segments’ ongoing business operations and a way to evaluate and compare operating performance and value companies within the Company’s industry. The definition of Adjusted EBITDA used here may differ from that used by other companies.

This report references organic sales, a non-GAAP measure, that refers to sales from continuing operations calculated according to U.S. GAAP but excludes (1) the impact of foreign currency translation and (2) sales from acquired or divested businesses during the first 12 months of ownership or prior to divestiture. The portion of sales attributable to foreign currency translation is calculated as the difference between (a) the period-to-period change in organic sales and (b) the period-to-period change in organic sales after applying prior period foreign exchange rates to the current year period. Management believes that reporting organic sales provides useful information to investors by helping to identify underlying growth trends in the Company’s business and facilitating easier comparisons of the Company’s revenue performance with prior and future periods and to its peers. The Company excludes the effect of foreign currency translation from organic sales because foreign currency translation is not under management’s control, is subject to volatility and can obscure underlying business trends. The Company excludes the effect of acquisitions and divestitures because they can obscure underlying business trends and make comparisons of long-term performance difficult due to the varying nature, size and number of transactions from period to period and between the Company and its peers.

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Organic sales have been reconciled to net sales and EBITDA has been reconciled to net income in Item 2 under the heading “Non-GAAP Disclosures.” The reconciliation of segment EBITDA to net income was performed on a consolidated basis due to the fact that the Company does not allocate consolidated interest expense or the consolidated provision for income taxes to its segments.

Management uses Adjusted gross profit, Adjusted operating income, Adjusted net income, Adjusted EPS and Adjusted EBITDA as metrics by which to measure performance of the Company since they exclude items that are not reflective of ongoing operations, such as fair value inventory step-up charges, restructuring expenses and asset impairments, the impact of the settlement for a Corporate transaction indemnity, the loss on early debt redemption and the noncash loss related to the termination of the U.S. pension plan. Management also supplements its U.S. GAAP financial statements with adjusted information to provide investors with greater insight, transparency and a more comprehensive understanding of the information used by management in its financial and operational decision making.

In addition to measuring the Company’s cash flow generation and usage based upon the operating, investing and financing classifications included in the Condensed Consolidated Statements of Cash Flows, the Company also measures free cash flow (a non-GAAP measure) which represents net cash provided by operating activities minus capital expenditures. The Company believes that free cash flow is an important measure of operating performance because it provides management a measurement of cash generated from operations that is available for mandatory payment obligations and investment opportunities, such as funding acquisitions, paying dividends, repaying debt and repurchasing the Company’s common stock.

The non-GAAP financial measures disclosed by the Company should not be considered a substitute for, or superior to, financial measures prepared in accordance with U.S. GAAP. The financial results prepared in accordance with U.S. GAAP and the reconciliations from these results should be carefully evaluated.

1. Reconciliations of the Change in Net Sales to Organic Net Sales
	Three Months Ended September 30, 2021
	FMT		HST		FSDP		IDEX
Change in net sales	14	%	37	%	13	%	23	%
- Net impact from acquisitions/divestitures	6	%	12	%	—	%	7	%
- Impact on foreign currency	1	%	1	%	1	%	1	%
Change in organic net sales	7	%	24	%	12	%	15	%

	Nine Months Ended September 30, 2021
	FMT		HST		FSDP		IDEX
Change in net sales	12	%	25	%	16	%	18	%
- Net impact from acquisitions/divestitures	4	%	4	%	—	%	3	%
- Impact on foreign currency	2	%	3	%	3	%	3	%
Change in organic net sales	6	%	18	%	13	%	12	%

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2. Reconciliations of Reported-to-Adjusted Gross Profit and Margin
(dollars in thousands)	Three Months Ended September 30,						Nine Months Ended September 30,
	2021			2020			2021			2020
Gross profit	$	311,569		$	251,500		$	910,264		$	758,256
+ Fair value inventory step-up charges	9,100			—			11,586			4,107
Adjusted gross profit	$	320,669		$	251,500		$	921,850		$	762,363
Net sales	$	712,019		$	581,113		$	2,050,002		$	1,736,824
Gross profit margin	43.8		%	43.3		%	44.4		%	43.7		%
Adjusted gross profit margin	45.0		%	43.3		%	45.0		%	43.9		%

3. Reconciliations of Reported-to-Adjusted Operating Income and Margin
(dollars in thousands)	Three Months Ended September 30, 2021
	FMT			HST			FSDP			Corporate		IDEX
Reported operating income (loss)	$	69,020		$	70,374		$	39,126		$	(17,335)	$	161,185
+ Restructuring expenses and asset impairments	1,934			626			(55)			699		3,204
+ Fair value inventory step-up charges	—			9,100			—			—		9,100
+ Corporate transaction indemnity	—			—			—			(400)		(400)
Adjusted operating income (loss)	$	70,954		$	80,100		$	39,071		$	(17,036)	$	173,089
Net sales (eliminations)	$	251,297		$	302,287		$	159,106		$	(671)	$	712,019
Operating margin	27.5		%	23.3		%	24.6		%	n/m		22.6		%
Adjusted operating margin	28.2		%	26.5		%	24.6		%	n/m		24.3		%

	Three Months Ended September 30, 2020
	FMT			HST			FSDP			Corporate		IDEX
Reported operating income (loss)	$	58,402		$	49,912		$	37,103		$	(14,204)	$	131,213
+ Restructuring expenses and asset impairments	585			978			1,249			105		2,917
Adjusted operating income (loss)	$	58,987		$	50,890		$	38,352		$	(14,099)	$	134,130
Net sales (eliminations)	$	220,747		$	220,378		$	140,896		$	(908)	$	581,113
Operating margin	26.5		%	22.6		%	26.3		%	n/m		22.6		%
Adjusted operating margin	26.7		%	23.1		%	27.2		%	n/m		23.1		%

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	Nine Months Ended September 30, 2021
	FMT			HST			FSDP			Corporate		IDEX
Reported operating income (loss)	$	195,384		$	212,987		$	126,483		$	(59,866)	$	474,988
+ Restructuring expenses and asset impairments	4,787			1,693			161			1,927		8,568
+ Fair value inventory step-up charges	2,486			9,100			—			—		11,586
+ Corporate transaction indemnity	—			—			—			3,500		3,500
Adjusted operating income (loss)	$	202,657		$	223,780		$	126,644		$	(54,439)	$	498,642
Net sales (eliminations)	$	745,939		$	827,668		$	479,402		$	(3,007)	$	2,050,002
Operating margin	26.2		%	25.7		%	26.4		%	n/m		23.2		%
Adjusted operating margin	27.2		%	27.0		%	26.4		%	n/m		24.3		%

	Nine Months Ended September 30, 2020
	FMT			HST			FSDP			Corporate		IDEX
Reported operating income (loss)	$	176,111		$	150,562		$	103,977		$	(48,902)	$	381,748
+ Restructuring expenses and asset impairments	2,433			2,162			1,890			273		6,758
+ Fair value inventory step-up charges	4,107			—			—			—		4,107
Adjusted operating income (loss)	$	182,651		$	152,724		$	105,867		$	(48,629)	$	392,613
Net sales (eliminations)	$	666,720		$	660,105		$	412,296		$	(2,297)	$	1,736,824
Operating margin	26.4		%	22.8		%	25.2		%	n/m		22.0		%
Adjusted operating margin	27.4		%	23.1		%	25.7		%	n/m		22.6		%

4. Reconciliations of Reported-to-Adjusted Net Income and EPS
(in thousands, except EPS)	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Reported net income attributable to IDEX	$	115,742	$	103,848	$	330,645	$	276,710
+ Restructuring expenses and asset impairments	3,204		2,917		8,568		6,758
+ Tax impact on restructuring expenses and asset impairments	(771)		(703)		(2,060)		(1,540)
+ Fair value inventory step-up charges	9,100		—		11,586		4,107
+ Tax impact on fair value inventory step-up charges	(1,961)		—		(2,707)		(932)
+ Loss on early debt redemption	—		—		8,561		8,421
+ Tax impact on loss on early debt redemption	—		—		(1,841)		(1,912)
+ Termination of the U.S. pension plan	—		—		9,688		—
+ Tax impact on termination of the U.S. pension plan	—		—		(2,083)		—
+ Corporate transaction indemnity	(400)		—		3,500		—
+ Tax impact on Corporate transaction indemnity	85		—		(754)		—
Adjusted net income attributable to IDEX	$	124,999	$	106,062	$	363,103	$	291,612

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	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Reported EPS attributable to IDEX	$	1.51	$	1.37	$	4.33	$	3.64
+ Restructuring expenses and asset impairments	0.04		0.04		0.11		0.09
+ Tax impact on restructuring expenses and asset impairments	(0.01)		(0.01)		(0.03)		(0.02)
+ Fair value inventory step-up charges	0.12		—		0.15		0.05
+ Tax impact on fair value inventory step-up charges	(0.03)		—		(0.04)		(0.01)
+ Loss on early debt redemption	—		—		0.11		0.11
+ Tax impact on loss on early debt redemption	—		—		(0.02)		(0.02)
+ Termination of the U.S. pension plan	—		—		0.13		—
+ Tax impact on termination of the U.S. pension plan	—		—		(0.03)		—
+ Corporate transaction indemnity	—		—		0.05		—
+ Tax impact on Corporate transaction indemnity	—		—		(0.01)		—
Adjusted EPS attributable to IDEX	$	1.63	$	1.40	$	4.75	$	3.84
Diluted weighted average shares	76,452		75,960		76,408		76,119

5. Reconciliations of EBITDA to Net Income
(dollars in thousands)	Three Months Ended September 30, 2021
	FMT			HST			FSDP			Corporate		IDEX
Operating income (loss)	$	69,020		$	70,374		$	39,126		$	(17,335)	$	161,185
- Other expense (income) - net	384			(236)			50			432		630
+ Depreciation and amortization	7,737			15,335			3,787			110		26,969
EBITDA	76,373			85,945			42,863			(17,657)		187,524
- Interest expense												9,498
- Provision for income taxes												35,343
- Depreciation and amortization												26,969
Net income												$	115,714
Net sales (eliminations)	$	251,297		$	302,287		$	159,106		$	(671)	$	712,019
Operating margin	27.5		%	23.3		%	24.6		%	n/m		22.6		%
EBITDA margin	30.4		%	28.4		%	26.9		%	n/m		26.3		%
EBITDA interest coverage												19.7

46

	Three Months Ended September 30, 2020
	FMT			HST			FSDP			Corporate		IDEX
Operating income (loss)	$	58,402		$	49,912		$	37,103		$	(14,204)	$	131,213
- Other expense (income) - net	(719)			(32)			340			(293)		(704)
+ Depreciation and amortization	7,163			10,230			3,854			104		21,351
EBITDA	66,284			60,174			40,617			(13,807)		153,268
- Interest expense												10,642
- Provision for income taxes												17,427
- Depreciation and amortization												21,351
Net income												$	103,848
Net sales (eliminations)	$	220,747		$	220,378		$	140,896		$	(908)	$	581,113
Operating margin	26.5		%	22.6		%	26.3		%	n/m		22.6		%
EBITDA margin	30.0		%	27.3		%	28.8		%	n/m		26.4		%
EBITDA interest coverage												14.4

	Nine Months Ended September 30, 2021
	FMT			HST			FSDP			Corporate		IDEX
Operating income (loss)	$	195,384		$	212,987		$	126,483		$	(59,866)	$	474,988
- Other expense (income) - net	5,968			(290)			1,833			9,446		16,957
+ Depreciation and amortization	22,743			38,382			11,510			327		72,962
EBITDA	212,159			251,659			136,160			(68,985)		530,993
- Interest expense												31,479
- Provision for income taxes												95,987
- Depreciation and amortization												72,962
Net income												$	330,565
Net sales (eliminations)	$	745,939		$	827,668		$	479,402		$	(3,007)	$	2,050,002
Operating margin	26.2		%	25.7		%	26.4		%	n/m		23.2		%
EBITDA margin	28.4		%	30.4		%	28.4		%	n/m		25.9		%
EBITDA interest coverage												16.9

47

	Nine Months Ended September 30, 2020
	FMT			HST			FSDP			Corporate		IDEX
Operating income (loss)	$	176,111		$	150,562		$	103,977		$	(48,902)	$	381,748
- Other expense (income) - net	(35)			(91)			148			7,299		7,321
+ Depreciation and amortization	19,370			30,806			11,409			389		61,974
EBITDA	195,516			181,459			115,238			(55,812)		436,401
- Interest expense												33,958
- Provision for income taxes												63,759
- Depreciation and amortization												61,974
Net income												$	276,710
Net sales (eliminations)	$	666,720		$	660,105		$	412,296		$	(2,297)	$	1,736,824
Operating margin	26.4		%	22.8		%	25.2		%	n/m		22.0		%
EBITDA margin	29.3		%	27.5		%	28.0		%	n/m		25.1		%
EBITDA interest coverage												12.9

6. Reconciliations of EBITDA to Adjusted EBITDA
(dollars in thousands)	Three Months Ended September 30, 2021
	FMT			HST			FSDP			Corporate		IDEX
EBITDA(1)	$	76,373		$	85,945		$	42,863		$	(17,657)	$	187,524
+ Restructuring expenses and asset impairments	1,934			626			(55)			699		3,204
+ Fair value inventory step-up charges	—			9,100			—			—		9,100
+ Corporate transaction indemnity	—			—			—			(400)		(400)
Adjusted EBITDA	$	78,307		$	95,671		$	42,808		$	(17,358)	$	199,428
Adjusted EBITDA margin	31.2		%	31.6		%	26.9		%	n/m		28.0		%
Adjusted EBITDA interest coverage												21.0

	Three Months Ended September 30, 2020
	FMT			HST			FSDP			Corporate		IDEX
EBITDA(1)	$	66,284		$	60,174		$	40,617		$	(13,807)	$	153,268
+ Restructuring expenses and asset impairments	585			978			1,249			105		2,917
Adjusted EBITDA	$	66,869		$	61,152		$	41,866		$	(13,702)	$	156,185
Adjusted EBITDA margin	30.3		%	27.7		%	29.7		%	n/m		26.9		%
Adjusted EBITDA interest coverage												14.7

48

	Nine Months Ended September 30, 2021
	FMT			HST			FSDP			Corporate		IDEX
EBITDA(1)	$	212,159		$	251,659		$	136,160		$	(68,985)	$	530,993
+ Restructuring expenses and asset impairments	4,787			1,693			161			1,927		8,568
+ Fair value inventory step-up charges	2,486			9,100			—			—		11,586
+ Loss on early debt redemption	—			—			—			8,561		8,561
+ Termination of the U.S. pension plan	6,293			—			1,782			1,613		9,688
+ Corporate transaction indemnity	—			—			—			3,500		3,500
Adjusted EBITDA	$	225,725		$	262,452		$	138,103		$	(53,384)	$	572,896
Adjusted EBITDA margin	30.3		%	31.7		%	28.8		%	n/m		27.9		%
Adjusted EBITDA interest coverage												18.2

	Nine Months Ended September 30, 2020
	FMT			HST			FSDP			Corporate		IDEX
EBITDA(1)	$	195,516		$	181,459		$	115,238		$	(55,812)	$	436,401
+ Restructuring expenses and asset impairments	2,433			2,162			1,890			273		6,758
+ Fair value inventory step-up charges	4,107			—			—			—		4,107
+ Loss on early debt redemption	—			—			—			8,421		8,421
Adjusted EBITDA	$	202,056		$	183,621		$	117,128		$	(47,118)	$	455,687
Adjusted EBITDA margin	30.3		%	27.8		%	28.4		%	n/m		26.2		%
Adjusted EBITDA interest coverage												13.4

(1) EBITDA, a non-GAAP financial measure, is reconciled to net income, its most directly comparable U.S. GAAP financial measure, immediately above in Table 5.

7. Reconciliations of Cash Flows from Operating Activities to Free Cash Flow
(dollars in thousands)	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cash flows from operating activities	$	156,633	$	153,686	$	402,229	$	407,899
- Capital expenditures	14,894		18,353		45,487		39,438
Free cash flow	$	141,739	$	135,333	$	356,742	$	368,461

Critical Accounting Policies

As discussed in the Annual Report on Form 10-K for the year ended December 31, 2020, the preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and judgments that affect the reported amount of assets and liabilities, disclosure of contingent assets and liabilities, and reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates. There have been no changes to the Company’s critical accounting policies described in the Annual Report on Form 10-K for the year ended December 31, 2020.

Item 3.    Quantitative and Qualitative Disclosures About Market Risk

The Company is subject to market risk associated with changes in foreign currency exchange rates and interest rates. The Company may, from time to time, enter into foreign currency forward contracts and interest rate swaps on its debt when it believes there is a financial advantage in doing so. A treasury risk management policy, adopted by the Board of Directors, describes the procedures and controls over derivative financial and commodity instruments, including foreign currency forward

49

contracts and interest rate swaps. Under the policy, the Company does not use financial or commodity derivative instruments for trading purposes, and the use of these instruments is subject to strict approvals by senior officers. Typically, the use of derivative instruments is limited to foreign currency forward contracts and interest rate swaps on the Company’s outstanding long-term debt. As of September 30, 2021, the Company did not have any derivative instruments outstanding.

Foreign Currency Exchange Rates

The Company’s foreign currency exchange rate risk is limited principally to the Euro, Swiss Franc, British Pound, Canadian Dollar, Indian Rupee, Chinese Renminbi and Swedish Krona. The Company manages its foreign exchange risk principally through invoicing customers in the same currency as the source of products. The effect of transaction gains and losses is reported within Other expense (income) - net in the Condensed Consolidated Statements of Operations.

Interest Rate Fluctuation

The Company does not have significant interest rate exposure due to all of the $1,200.1 million of debt outstanding as of September 30, 2021 being fixed rate debt.

Item 4.    Controls and Procedures

The Company maintains disclosure controls and procedures that are designed to ensure that information required to be disclosed in the Company’s Exchange Act reports is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to the Company’s management, including its Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

As required by SEC Rule 13a-15(b), the Company carried out an evaluation, under the supervision and with the participation of the Company’s management, including the Company’s Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of the Company’s disclosure controls and procedures as of the end of the period covered by this report. Based on the foregoing, the Company’s Chief Executive Officer and Chief Financial Officer concluded that the Company’s disclosure controls and procedures were effective as of September 30, 2021.

There has been no change in the Company’s internal control over financial reporting during the Company’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting.

50

PART II. OTHER INFORMATION

Item 1.    Legal Proceedings

The Company and its subsidiaries are party to legal proceedings arising in the ordinary course of business as described in Note 20 in Part I, Item 1, “Legal Proceedings,” and such disclosure is incorporated by reference into this Item 1, “Legal Proceedings.” In addition, the Company and six of its subsidiaries are presently named as defendants in a number of lawsuits claiming various asbestos-related personal injuries, allegedly as a result of exposure to products manufactured with components that contained asbestos. These components were acquired from third party suppliers and were not manufactured by the Company or any of the defendant subsidiaries. To date, the majority of the Company’s settlements and legal costs, except for costs of coordination, administration, insurance investigation and a portion of defense costs, have been covered in full by insurance, subject to applicable deductibles. However, the Company cannot predict whether and to what extent insurance will be available to continue to cover these settlements and legal costs, or how insurers may respond to claims that are tendered to them. Asbestos-related claims have been filed in jurisdictions throughout the United States and the United Kingdom. Most of the claims resolved to date have been dismissed without payment. The balance of the claims have been settled for various immaterial amounts. Only one case has been tried, resulting in a verdict for the Company’s business unit. No provision has been made in the financial statements of the Company, other than for insurance deductibles in the ordinary course, and the Company does not currently believe the asbestos-related claims will have a material adverse effect on the Company’s business, financial position, results of operations or cash flows.

In evaluating whether to accrue for losses associated with legal or other contingencies, the Company takes into consideration factors such as the facts and circumstances asserted, historical experience, the likelihood of prevailing and the severity of any potential loss. In the second quarter of 2021, the Company recorded a contingent reserve of $3.9 million associated with a Corporate transaction indemnity for a prior divestiture. During the three months ended September 30, 2021, the Company reached and paid a final settlement of $3.5 million.

Item 2.     Unregistered Sales of Equity Securities and Use of Proceeds

The following table provides information about the Company’s purchases of its common stock during the quarter ended September 30, 2021:

Period	Total Number of Shares Purchased	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs(1)	Approximate Dollar Value that May Yet be Purchased Under the Plans or Programs(1)
July 1, 2021 to July 31, 2021	—	$	—	—	$	712,001,005
August 1, 2021 to August 31, 2021	—	—		—	712,001,005
September 1, 2021 to September 30, 2021	—	—		—	712,001,005
Total	—	$	—	—	$	712,001,005

(1)On March 17, 2020, the Company’s Board of Directors approved an increase of $500.0 million in the authorized level of repurchases of common stock. This approval is in addition to the prior repurchase authorization of the Board of Directors of $300.0 million on December 1, 2015. These authorizations have no expiration date.

51

Item 6.    Exhibits.

Exhibit Number	Description
31.1*	Certification of Chief Executive Officer Pursuant to Section 302 of Sarbanes Oxley Act of 2002
31.2*	Certification of Chief Financial Officer Pursuant to Section 302 of Sarbanes Oxley Act of 2002
32.1*	Certification of Chief Executive Officer Pursuant to 18 U.S.C. Section 1350
32.2*	Certification of Chief Financial Officer Pursuant to 18 U.S.C. Section 1350
101*	The following financial information from IDEX Corporation's Quarterly Report on Form 10-Q for the quarter ended September 30, 2021 formatted in Inline eXtensible Business Reporting Language (iXBRL) includes: (i) the Cover Page, (ii) the Condensed Consolidated Balance Sheets, (iii) the Condensed Consolidated Statements of Operations, (iv) the Condensed Consolidated Statements of Comprehensive Income, (v) the Condensed Consolidated Statements of Equity, (vi) the Condensed Consolidated Statements of Cash Flows, and (vii) Notes to the Condensed Consolidated Financial Statements.
104*	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).
* Filed herewith.

52

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

IDEX Corporation
By:	/s/ WILLIAM K. GROGAN
	William K. Grogan
	Senior Vice President and Chief Financial Officer (Principal Financial Officer)
By:	/s/ ALLISON S. LAUSAS
	Allison S. Lausas
	Vice President and Chief Accounting Officer (Principal Accounting Officer)

Date: October 27, 2021

53

EX-31.1

Exhibit 31.1

Certification of Chief Executive Officer Pursuant to Section 302 of the

Sarbanes-Oxley Act of 2002

I, Eric D. Ashleman, certify that:

1. I have reviewed this quarterly report on Form 10-Q of IDEX Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

/s/ ERIC D. ASHLEMAN

Eric D. Ashleman

Chief Executive Officer and President

Date: October 27, 2021

EX-31.2

Exhibit 31.2

Certification of Chief Financial Officer Pursuant to Section 302 of the

Sarbanes-Oxley Act of 2002

I, William K. Grogan, certify that:

1. I have reviewed this quarterly report on Form 10-Q of IDEX Corporation;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

/s/ WILLIAM K. GROGAN

William K. Grogan

Senior Vice President and Chief Financial Officer

Date: October 27, 2021

EX-32.1

Exhibit 32.1

Certification of Chief Executive Officer

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of IDEX Corporation (the “Company”) hereby certifies, to such officer's knowledge, that:

(i) the accompanying Quarterly Report on Form 10-Q of the Company for the quarterly period ended September 30, 2021 (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

(ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ ERIC D. ASHLEMAN

Eric D. Ashleman

Chief Executive Officer and President

Date: October 27, 2021

EX-32.2

Exhibit 32.2

Certification of Chief Financial Officer

Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of IDEX Corporation (the “Company”) hereby certifies, to such officer's knowledge, that:

(i) the accompanying Quarterly Report on Form 10-Q of the Company for the quarterly period ended September 30, 2021 (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

(ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ WILLIAM K. GROGAN

William K. Grogan

Senior Vice President and Chief Financial Officer

Date: October 27, 2021

XML

Cover Page - shares	9 Months Ended
	Sep. 30, 2021	Oct. 22, 2021
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2021
Document Transition Report	false
Entity File Number	1-10235
Entity Registrant Name	IDEX CORP
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	36-3555336
Entity Address, Address Line One	3100 Sanders Road,
Entity Address, Address Line Two	Suite 301,
Entity Address, City or Town	Northbrook,
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60062
City Area Code	847
Local Phone Number	498-7070
Title of 12(b) Security	Common Stock, par value $.01 per share
Trading Symbol	IEX
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		76,031,495
Entity Central Index Key	0000832101
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Amendment Flag	false

XML

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 806,497	$ 1,025,851
Receivables, less allowance for doubtful accounts of $7,234 at September 30, 2021 and $6,091 at December 31, 2020	366,779	293,146
Inventories	353,924	289,910
Other current assets	56,161	48,324
Total current assets	1,583,361	1,657,231
Property, plant and equipment - net	314,631	298,273
Goodwill	2,197,084	1,895,574
Intangible assets - net	613,366	415,563
Other noncurrent assets	146,137	147,757
Total assets	4,854,579	4,414,398
Current liabilities
Trade accounts payable	175,864	151,993
Accrued expenses	252,092	208,828
Short-term borrowings	35	88
Dividends payable	41,117	38,149
Total current liabilities	469,108	399,058
Long-term borrowings	1,190,078	1,044,354
Deferred income taxes	211,066	163,863
Other noncurrent liabilities	258,044	266,797
Total liabilities	2,128,296	1,874,072
Commitments and contingencies
Preferred stock:
Authorized: 5,000,000 shares, $.01 per share par value; Issued: None	0	0
Common stock:
Authorized: 150,000,000 shares, $.01 per share par value, Issued: 90,071,924 shares at March 31, 2021 and 90,071,763 shares at December 31, 2020	901	901
Additional paid-in capital	790,629	775,153
Retained earnings	3,048,856	2,841,546
Treasury stock at cost: 13,931,832 shares at September 30, 2021 and 14,111,221 shares at December 31, 2020	(1,057,055)	(1,063,872)
Accumulated other comprehensive loss	(57,086)	(13,525)
Total shareholders’ equity	2,726,245	2,540,203
Noncontrolling interest	38	123
Total equity	2,726,283	2,540,326
Total liabilities and equity	$ 4,854,579	$ 4,414,398

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Receivables, allowance for doubtful accounts	$ 7,234	$ 6,091
Preferred stock, authorized (in shares)	5,000,000	5,000,000
Preferred stock , par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, issued (in shares)	0	0
Common stock, authorized (in shares)	150,000,000	150,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, issued (in shares)	90,074,054	90,071,763
Treasury stock, shares (in shares)	13,931,832	14,111,221

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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Net sales	$ 712,019	$ 581,113	$ 2,050,002	$ 1,736,824
Cost of sales	400,450	329,613	1,139,738	978,568
Gross profit	311,569	251,500	910,264	758,256
Selling, general and administrative expenses	147,180	117,370	426,708	369,750
Restructuring expenses and asset impairments	3,204	2,917	8,568	6,758
Operating income	161,185	131,213	474,988	381,748
Other expense (income) - net	630	(704)	16,957	7,321
Interest expense	9,498	10,642	31,479	33,958
Income before income taxes	151,057	121,275	426,552	340,469
Provision for income taxes	35,343	17,427	95,987	63,759
Net income	115,714	103,848	330,565	276,710
Net loss attributable to noncontrolling interest	28	0	80	0
Net income attributable to IDEX	$ 115,742	$ 103,848	$ 330,645	$ 276,710
Earnings per common share:
Basic earnings per common share attributable to IDEX (in dollars per share)	$ 1.52	$ 1.38	$ 4.35	$ 3.66
Diluted earnings per common share attributable to IDEX (in dollars per share)	$ 1.51	$ 1.37	$ 4.33	$ 3.64
Share data:
Basic weighted average common shares outstanding (in shares)	76,010	75,352	75,957	75,423
Diluted weighted average common shares outstanding (in shares)	76,452	75,960	76,408	76,119

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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 115,714	$ 103,848	$ 330,565	$ 276,710
Other comprehensive income (loss):
Reclassification adjustments for derivatives, net of tax	0	672	2,531	3,982
Pension and other postretirement adjustments, net of tax	840	291	10,795	1,956
Cumulative translation adjustment	(28,703)	47,343	(56,887)	40,158
Other comprehensive income (loss)	(27,863)	48,306	(43,561)	46,096
Comprehensive income	87,851	152,154	287,004	322,806
Comprehensive loss attributable to noncontrolling interest	30	0	85	0
Comprehensive income attributable to IDEX	$ 87,881	$ 152,154	$ 287,089	$ 322,806

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CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Total Shareholders’ Equity	Common Stock and Additional Paid-In Capital	Retained Earnings	Cumulative Translation Adjustment	Retirement Benefits Adjustment	Cumulative Unrealized Gain (Loss) on Derivatives	Treasury Stock	Noncontrolling Interest
Balance at Dec. 31, 2019	$ 2,263,229		$ 761,352	$ 2,615,131	$ (94,353)	$ (25,809)	$ (7,183)	$ (985,909)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	101,998			101,998
Cumulative translation adjustment	(26,456)				(26,456)
Net change in retirement obligations (net of tax)	2,296					2,296
Net change on derivatives designated as cash flow hedges (net of tax)	1,194						1,194
Issuance of shares of common stock from issuance of unvested shares, performance share units and exercise of stock options (net of tax)	2,089							2,089
Repurchase of shares of common stock	(108,907)							(108,907)
Shares surrendered for tax withholding	(12,119)							(12,119)
Share-based compensation	6,463		6,463
Balance at Mar. 31, 2020	2,229,787		767,815	2,717,129	(120,809)	(23,513)	(5,989)	(1,104,846)
Balance at Dec. 31, 2019	2,263,229		761,352	2,615,131	(94,353)	(25,809)	(7,183)	(985,909)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	276,710
Net income	276,710
Net change in retirement obligations (net of tax)	1,956
Repurchase of shares of common stock	(110,300)
Balance at Sep. 30, 2020	2,396,529		779,368	2,778,130	(54,195)	(23,853)	(3,201)	(1,079,720)
Balance at Mar. 31, 2020	2,229,787		767,815	2,717,129	(120,809)	(23,513)	(5,989)	(1,104,846)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	70,864			70,864
Cumulative translation adjustment	19,271				19,271
Net change in retirement obligations (net of tax)	(631)					(631)
Net change on derivatives designated as cash flow hedges (net of tax)	2,116						2,116
Issuance of shares of common stock from issuance of unvested shares, performance share units and exercise of stock options (net of tax)	11,022							11,022
Repurchase of shares of common stock	(1,435)							(1,435)
Shares surrendered for tax withholding	(29)							(29)
Share-based compensation	5,753		5,753
Cash dividends declared	(75,681)			(75,681)
Balance at Jun. 30, 2020	2,261,037		773,568	2,712,312	(101,538)	(24,144)	(3,873)	(1,095,288)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	103,848
Net income	103,848			103,848
Cumulative translation adjustment	47,343				47,343
Net change in retirement obligations (net of tax)	291					291
Net change on derivatives designated as cash flow hedges (net of tax)	672						672
Issuance of shares of common stock from issuance of unvested shares, performance share units and exercise of stock options (net of tax)	15,618							15,618
Shares surrendered for tax withholding	(50)							(50)
Share-based compensation	5,800		5,800
Cash dividends declared	(38,030)			(38,030)
Balance at Sep. 30, 2020	2,396,529		779,368	2,778,130	(54,195)	(23,853)	(3,201)	(1,079,720)
Balance at Dec. 31, 2020	2,540,326	$ 2,540,203	776,054	2,841,546	13,430	(24,424)	(2,531)	(1,063,872)	$ 123
Balance at Dec. 31, 2020	2,540,203
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	112,672	112,708		112,708					(36)
Cumulative translation adjustment	(48,437)	(48,439)			(48,439)				2
Net change in retirement obligations (net of tax)	745	745				745
Net change on derivatives designated as cash flow hedges (net of tax)	664	664					664
Issuance of shares of common stock from issuance of unvested shares, performance share units and exercise of stock options (net of tax)	3,231	3,231						3,231
Shares surrendered for tax withholding	(5,460)	(5,460)						(5,460)
Share-based compensation	6,274	6,274	6,274
Balance at Mar. 31, 2021	2,610,015	2,609,926	782,328	2,954,254	(35,009)	(23,679)	(1,867)	(1,066,101)	89
Balance at Dec. 31, 2020	2,540,326	2,540,203	776,054	2,841,546	13,430	(24,424)	(2,531)	(1,063,872)	123
Balance at Dec. 31, 2020	2,540,203
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	330,565
Net income	330,645
Net change in retirement obligations (net of tax)	10,795
Balance at Sep. 30, 2021	2,726,283	2,726,245	791,530	3,048,856	(43,457)	(13,629)	0	(1,057,055)	38
Balance at Sep. 30, 2021	2,726,245
Balance at Mar. 31, 2021	2,610,015	2,609,926	782,328	2,954,254	(35,009)	(23,679)	(1,867)	(1,066,101)	89
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	102,179	102,195		102,195					(16)
Cumulative translation adjustment	20,250	20,255			20,255				(5)
Net change in retirement obligations (net of tax)	9,210	9,210				9,210
Net change on derivatives designated as cash flow hedges (net of tax)	1,867	1,867					1,867
Issuance of shares of common stock from issuance of unvested shares, performance share units and exercise of stock options (net of tax)	7,456	7,456						7,456
Shares surrendered for tax withholding	(74)	(74)						(74)
Share-based compensation	4,247	4,247	4,247
Cash dividends declared	(82,286)	(82,286)		(82,286)
Balance at Jun. 30, 2021	2,672,864	2,672,796	786,575	2,974,163	(14,754)	(14,469)	0	(1,058,719)	68
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	115,714	115,742		115,742					(28)
Net income	115,742
Cumulative translation adjustment	(28,705)	(28,703)			(28,703)				(2)
Net change in retirement obligations (net of tax)	840	840				840
Issuance of shares of common stock from issuance of unvested shares, performance share units and exercise of stock options (net of tax)	1,810	1,810						1,810
Shares surrendered for tax withholding	(146)	(146)						(146)
Share-based compensation	4,955	4,955	4,955
Cash dividends declared	(41,049)	(41,049)		(41,049)
Balance at Sep. 30, 2021	2,726,283	$ 2,726,245	$ 791,530	$ 3,048,856	$ (43,457)	$ (13,629)	$ 0	$ (1,057,055)	$ 38
Balance at Sep. 30, 2021	$ 2,726,245

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CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020
Statement of Stockholders' Equity [Abstract]
Pension and other postretirement adjustments, tax	$ 335	$ 2,799	$ 309	$ 171	$ 62	$ 578
Amortization of forward starting swaps, tax		$ 549	$ 195	$ 197	$ 623	$ 351
Issuance of common stock from performance share units and exercise of stock options (in shares)	34,390	67,476	106,122	191,432	145,263	131,757
Issuance of common stock from exercise of stock options and deferred compensation plans, tax amount	$ 178	$ 621	$ 1,865	$ 837	$ 594	$ 3,061
Purchase of common stock (in shares)					9,600	866,823
Cash dividends declared, per common share outstanding (in dollars per share)	$ 0.54	$ 1.08		$ 0.50	$ 1.00

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities
Net income	$ 330,565	$ 276,710
Adjustments to reconcile net income to net cash provided by operating activities:
Asset impairments	815	85
Depreciation and amortization	32,281	30,851
Amortization of intangible assets	40,681	31,123
Amortization of debt issuance expenses	1,354	1,351
Share-based compensation expense	18,575	21,155
Deferred income taxes	(7,070)	1,323
Non-cash interest expense associated with forward starting swaps	3,275	5,153
Termination of the U.S. pension plan	9,688	0
Changes in (net of the effect from acquisitions/divestitures):
Receivables	(59,249)	33,291
Inventories	(28,072)	17,920
Other current assets	6,041	(27,655)
Trade accounts payable	20,962	(11,496)
Deferred revenue	14,817	27,179
Accrued expenses	17,595	125
Other - net	(29)	784
Net cash flows provided by operating activities	402,229	407,899
Cash flows from investing activities
Purchases of property, plant and equipment	(45,487)	(39,438)
Acquisition of businesses, net of cash acquired	(575,606)	(118,159)
Note receivable from collaborative partner	(4,200)	0
Proceeds from disposal of fixed assets	250	2,230
Other - net	874	(238)
Net cash flows used in investing activities	(624,169)	(155,605)
Cash flows from financing activities
Borrowings under revolving credit facilities	0	150,000
Payments under revolving credit facilities	0	(150,000)
Payment of make-whole redemption premium	(6,659)	(6,756)
Debt issuance costs	(4,626)	(4,741)
Dividends paid	(120,289)	(114,248)
Proceeds from stock option exercises	12,497	28,729
Repurchases of common stock	0	(110,342)
Shares surrendered for tax withholding	(5,680)	(12,198)
Other - net	(74)	(352)
Net cash flows provided by (used in) financing activities	24,549	(20,808)
Effect of exchange rate changes on cash and cash equivalents	(21,963)	13,691
Net (decrease) increase in cash	(219,354)	245,177
Cash and cash equivalents at beginning of year	1,025,851	632,581
Cash and cash equivalents at end of period	806,497	877,758
Cash paid for:
Interest	17,839	16,415
Income taxes	93,859	66,268
3.00% Senior Notes, due May 2030
Cash flows from financing activities
Proceeds from Issuance of Senior Notes	0	499,100
2.625% Senior Notes, due June 2031
Cash flows from financing activities
Proceeds from Issuance of Senior Notes	499,380	0
4.5% Senior Notes
Cash flows from financing activities
Payment of Senior Notes	0	(300,000)
4.20% Senior Notes, due December 2021
Cash flows from financing activities
Payment of Senior Notes	$ (350,000)	$ 0

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - Senior Notes	Sep. 30, 2021	May 17, 2021	Dec. 31, 2020	May 27, 2020	Apr. 29, 2020
3.00% Senior Notes, due May 2030
Stated interest rate	3.00%				3.00%
4.5% Senior Notes
Stated interest rate	4.50%			4.50%	4.50%
2.625% Senior Notes, due June 2031
Stated interest rate	2.625%	2.625%
4.20% Senior Notes, due December 2021
Stated interest rate	4.20%		4.20%

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Basis of Presentation and Significant Accounting Policies

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Basis of Presentation and Significant Accounting Policies

Basis of Presentation and Significant Accounting Policies

The Condensed Consolidated Financial Statements of IDEX Corporation (“IDEX” or the “Company”) have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) applicable to interim financial information and the instructions to Form 10-Q under the Securities Exchange Act of 1934, as amended. The statements are unaudited but include all adjustments, consisting only of recurring items, except as noted, that the Company considers necessary for a fair presentation of the information set forth herein. The results of operations for the three and nine months ended September 30, 2021 are not necessarily indicative of the results to be expected for the entire year.

The Condensed Consolidated Financial Statements and Management’s Discussion and Analysis of Financial Condition and Results of Operations set forth in this report should be read in conjunction with the Company’s Annual Report on Form 10-K for the year ended December 31, 2020.

Recently Adopted Accounting Standards

In December 2019, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2019-12, Simplifying the Accounting for Income Taxes, which eliminates the need to analyze whether the following apply in a given period (1) exception to the incremental approach for intraperiod tax allocation, (2) exceptions to accounting for basis differences when there are ownership changes in foreign investments and (3) exceptions in interim period income tax accounting for year-to-date losses that exceed anticipated losses. This ASU is also designed to improve the application of income tax-related guidance and simplify U.S. GAAP for (1) franchise taxes that are partially based on income, (2) transactions with a government that result in a step-up in the tax basis of goodwill, (3) separate financial statements of legal entities that are not subject to tax and (4) enacted changes in tax laws in interim periods. The Company adopted this standard on January 1, 2021. The adoption of this standard did not have a material impact on the Company’s Condensed Consolidated Financial Statements.

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Acquisitions and Divestitures

9 Months Ended

Sep. 30, 2021

Business Combinations and Dispositions [Abstract]

Acquisitions and Divestitures

Acquisitions and Divestitures

All of the Company’s acquisitions of businesses have been accounted for under Accounting Standards Codification (“ASC”) 805, Business Combinations. Accordingly, the accounts of the acquired companies, after adjustments to reflect the fair values assigned to assets and liabilities, have been included in the Company’s Condensed Consolidated Financial Statements from their respective dates of acquisition. The results of operations associated with the acquisitions of ABEL Pumps, L.P. and certain of its affiliates (“ABEL”) and Airtech Group, Inc., US Valve Corporation and related entities (“Airtech”) have been included in the Company’s condensed consolidated results since the dates of acquisition on March 10, 2021 and June 14, 2021, respectively.

The Company incurred acquisition-related transaction costs of $0.7 million and $1.3 million in the three months ended September 30, 2021 and 2020, respectively, and $4.4 million and $3.1 million in the nine months ended September 30, 2021 and 2020, respectively. These costs were recorded in Selling, general and administrative expenses and were related to completed transactions, pending transactions and potential transactions, including transactions that ultimately were not completed. The Company recorded a $2.5 million fair value inventory step-up charge associated with the completed 2021 acquisition of ABEL in Cost of sales during the nine months ended September 30, 2021 and a $9.1 million fair value inventory step-up charge associated with the completed 2021 acquisition of Airtech in Cost of sales during the three and nine months ended September 30, 2021. The Company also recorded a $4.1 million fair value inventory step-up charge associated with the completed 2020 acquisition of Flow Management Devices, LLC (“Flow MD”) in Cost of sales during the nine months ended September 30, 2020.

2021 Acquisitions

On March 10, 2021, the Company acquired the stock of ABEL. ABEL designs and manufactures highly engineered reciprocating positive displacement pumps for a variety of end markets, including mining, marine, power, water, wastewater and other general industries. Headquartered in Büchen, Germany, with sales and service locations in Madrid, Spain and Pittsburgh, Pennsylvania, ABEL operates in the Company’s Pumps reporting unit within the Fluid & Metering Technologies (“FMT”) segment. ABEL was acquired for cash consideration of $106.3 million. The entire purchase price was funded with

cash on hand. Goodwill and intangible assets recognized as part of this transaction were $59.5 million and $46.0 million, respectively. The goodwill is not deductible for tax purposes.

The Company made an initial allocation of the purchase price for the ABEL acquisition as of the acquisition date based on its understanding of the fair value of the acquired assets and assumed liabilities. These nonrecurring fair value measurements are classified as Level 3 in the fair value hierarchy. As the Company continues to obtain additional information about these assets and liabilities, including intangible asset appraisals, inventory valuation and accrued expenses, and continues to integrate the newly acquired business, the Company will refine the estimates of fair value and more accurately allocate the purchase price. Only items identified as of the acquisition date are considered for subsequent adjustment. The Company will continue to make required adjustments to the purchase price allocation prior to the completion of the measurement period.

The preliminary allocation of the purchase price to the assets acquired and liabilities assumed, based on their estimated fair values at the acquisition date, is as follows:

(In thousands)	Total
Current assets, net of cash acquired	$	18,419
Property, plant and equipment	4,034
Goodwill	59,481
Intangible assets	46,000
Other noncurrent assets	123
Total assets acquired	128,057
Current liabilities	(7,100)
Deferred income taxes	(14,537)
Other noncurrent liabilities	(84)
Net assets acquired	$	106,336

Acquired intangible assets consist of trade names, customer relationships and unpatented technology. The goodwill recorded for the acquisition reflects the strategic fit, revenue and earnings growth potential of this business.

The acquired intangible assets and weighted average amortization periods are as follows:

(In thousands, except weighted average life)	Total		Weighted Average Life
Trade names	$	9,000	15
Customer relationships	30,000		13
Unpatented technology	7,000		11
Acquired intangible assets	$	46,000

On June 14, 2021, the Company acquired the stock of Airtech. Airtech designs and manufactures a wide range of highly-engineered pressure technology products, including vacuum pumps, regenerative blowers, compressor systems and valves for a variety of end markets, including alternative energy, food processing, medical, packaging and transportation. Headquartered in Rutherford, New Jersey, with manufacturing operations in Werneck, Germany and Shenzhen, China, Airtech operates in the Company’s Performance Pneumatic Technologies reporting unit within the Health & Science Technologies (“HST”) segment. Airtech was acquired for cash consideration of $471.0 million. The entire purchase price was funded with cash on hand. Goodwill and intangible assets recognized as part of this transaction were $271.3 million and $201.3 million, respectively. The goodwill is not deductible for tax purposes.

The Company made an initial allocation of the purchase price for the Airtech acquisition as of the acquisition date based on its understanding of the fair value of the acquired assets and assumed liabilities. These nonrecurring fair value measurements are classified as Level 3 in the fair value hierarchy. As the Company continues to obtain additional information about these assets and liabilities, including intangible asset appraisals, inventory valuation and accrued expenses, and continues to integrate the newly acquired business, the Company will refine the estimates of fair value and more accurately allocate the purchase

price. Only items identified as of the acquisition date are considered for subsequent adjustment. The Company will continue to make required adjustments to the purchase price allocation prior to the completion of the measurement period.

The preliminary allocation of the purchase price to the assets acquired and liabilities assumed, based on their estimated fair values at the acquisition date, is as follows:

(In thousands)	Total
Current assets, net of cash acquired	$	44,152
Property, plant and equipment	4,803
Goodwill	271,268
Intangible assets	201,300
Other noncurrent assets	10,136
Total assets acquired	531,659
Current liabilities	(10,065)
Deferred income taxes	(42,141)
Other noncurrent liabilities	(8,436)
Net assets acquired(1)	$	471,017

(1) Subsequent to June 30, 2021, the Company finalized its working capital adjustment for the acquisition of the Airtech business, resulting in a $1.7 million adjustment to the purchase price. This amount was accrued as of September 30, 2021 and was paid in October 2021.

Acquired intangible assets consist of trade names, customer relationships and unpatented technology. The goodwill recorded for the acquisition reflects the strategic fit, revenue and earnings growth potential of this business.

The acquired intangible assets and weighted average amortization periods are as follows:

(In thousands, except weighted average life)	Total		Weighted Average Life
Trade names	$	15,400	15
Customer relationships	161,900		13
Unpatented technology	24,000		11
Acquired intangible assets	$	201,300

2020 Acquisitions

On February 28, 2020, the Company acquired the membership interests of Flow MD, a privately held provider of flow measurement systems that ensure custody transfer accuracy in the oil and gas industry. Flow MD engineers and manufactures small volume provers. Headquartered in Phoenix, AZ, with operations in Houston, TX and Pittsburgh, PA, Flow MD operates in the Company’s Energy reporting unit within the FMT segment. Flow MD was acquired for cash consideration of $121.2 million. The entire purchase price was funded with cash on hand. Goodwill and intangible assets recognized as part of this transaction were $60.0 million and $53.0 million, respectively. The goodwill is deductible for tax purposes.

The Company finalized the allocation of the purchase price for the Flow MD acquisition as of the acquisition date based on its understanding of the fair value of the acquired assets and assumed liabilities. These nonrecurring fair value measurements are classified as Level 3 in the fair value hierarchy.

The final allocation of the purchase price to the assets acquired and liabilities assumed, based on their estimated fair values at the acquisition date, is as follows:

(In thousands)	Total
Current assets, net of cash acquired	$	32,858
Property, plant and equipment	4,166
Goodwill	60,026
Intangible assets	53,000
Other noncurrent assets	1,344
Total assets acquired	151,394
Current liabilities	(32,291)
Deferred income taxes	2,459
Other noncurrent liabilities	(329)
Net assets acquired (1)	$	121,233

(1) Subsequent to September 30, 2020, the Company obtained additional information about the assets and liabilities acquired that required a $3.1 million adjustment to the purchase price of the Flow MD business.

Acquired intangible assets consist of trade names, customer relationships and unpatented technology. The goodwill recorded for the acquisition reflects the strategic fit, revenue and earnings growth potential of this business.

The acquired intangible assets and weighted average amortization periods are as follows:

(In thousands, except weighted average life)	Total		Weighted Average Life
Trade names	$	6,000	15
Customer relationships	31,500		10
Unpatented technology	15,500		20
Acquired intangible assets	$	53,000

On November 23, 2020, the Company acquired Qualtek Manufacturing, Inc. (“Qualtek”), a manufacturer of high quality specialty metal components and parts by providing vertically integrated tool and die, metal stamping and metal finishing services. Headquartered in Colorado Springs, CO, Qualtek operates in the Company’s BAND-IT reporting unit within the Fire & Safety/Diversified Products (“FSDP”) segment. Qualtek was acquired for cash consideration of $1.9 million. The entire purchase price was funded with cash on hand. Goodwill recognized as part of this transaction was $1.1 million. The goodwill recorded for the acquisition reflects the strategic fit, revenue and earnings growth potential of this business. The goodwill is deductible for tax purposes.

The Company finalized its allocation of the purchase price for the Qualtek acquisition as of the acquisition date based on its understanding of the fair value of the acquired assets. These nonrecurring fair value measurements are classified as Level 3 in the fair value hierarchy.

Divestitures

The Company periodically reviews its operations for businesses which may no longer be aligned with its strategic objectives and focuses on core business and customers. Any resulting gain or loss recognized due to divestitures is recorded within Loss (gain) on sale of businesses - net within Selling, general and administrative expenses.

On March 12, 2021, the Company completed the sale of CiDRA Precision Services (“CiDRA”) for $1.0 million in cash, resulting in a pre-tax gain on the sale of $0.5 million. The Company recorded $0.1 million of income tax expense associated with this transaction during the nine months ended September 30, 2021. The results of CiDRA were reported within the HST segment and generated $0.9 million of revenues in 2021 through the date of sale. The Company concluded that this divestiture did not meet the criteria for reporting the results of CiDRA as discontinued operations. There were no divestitures that took place during the nine months ended September 30, 2020.

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Collaborative Investments	9 Months Ended
	Sep. 30, 2021
Equity Method Investments and Joint Ventures [Abstract]
Collaborative Investments	Collaborative Investments On May 12, 2020, a subsidiary of IDEX entered into a joint venture agreement with a third party to form a limited liability company (the “Joint Venture”) that will manufacture and sell high performance elastomer seals for the oil and gas industry to customers within the Kingdom of Saudi Arabia as well as export these high performance elastomer seals outside of the Kingdom of Saudi Arabia. The Joint Venture is headquartered in Dammam, Saudi Arabia and operates in the Company’s Sealing Solutions reporting unit within the HST segment. In the fourth quarter of 2020, the Company contributed $147,000 and owns 55% of the share capital while the third party partner contributed $120,000 and owns 45% of the share capital. During the nine months ended September 30, 2021, the Company contributed an additional $479,570. As of September 30, 2021, the Joint Venture has incurred start-up expenses, but has not yet begun manufacturing. Since IDEX controls the entity, IDEX has consolidated the Joint Venture and recorded a noncontrolling interest in its Condensed Consolidated Financial Statements.On June 29, 2021, a subsidiary of IDEX funded a $4.2 million convertible promissory note to a start-up company that provides communication technology to improve individual performance and team coordination for firefighters’ responses. The investment aligns with the FSDP segment’s strategic plan to reduce response time and greatly increase life-safety outcomes and is an extension of FSDP’s smart and connected products. The note bears paid-in-kind interest at a rate of 5% per annum and is secured by the Company’s interest in the intellectual property of the start-up company. Unless earlier converted, the principal amount outstanding and the related accrued interest are due upon the earliest of (a) June 28, 2024, (b) a change in control or (c) when declared due and payable by the Company upon an event of default. The note is included in Other noncurrent assets on the Company’s Condensed Consolidated Balance Sheets. In addition, the Company recorded $0.1 million of accrued interest in Other noncurrent assets on the Company’s Condensed Consolidated Balance Sheets. The Company will measure the allowance for credit losses under the current expected credit loss model. As of September 30, 2021, no allowance for credit losses has been recorded.

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Business Segments

9 Months Ended

Sep. 30, 2021

Segment Reporting [Abstract]

Business Segments

Business Segments

IDEX has three reportable business segments: Fluid & Metering Technologies (“FMT”), Health & Science Technologies (“HST”) and Fire & Safety/Diversified Products (“FSDP”).

The FMT segment designs, produces and distributes positive displacement pumps, small volume provers, flow meters, injectors and other fluid-handling pump modules and systems and provides flow monitoring and other services for the food, chemical, general industrial, water and wastewater, agriculture and energy industries.

The HST segment designs, produces and distributes a wide range of precision fluidics, rotary lobe pumps, centrifugal and positive displacement pumps, roll compaction and drying systems used in beverage, food processing, pharmaceutical and cosmetics, pneumatic components and sealing solutions, including very high precision, low-flow rate pumping solutions required in analytical instrumentation, clinical diagnostics and drug discovery, high performance molded and extruded sealing components, custom mechanical and shaft seals for a variety of end markets including food and beverage, marine, chemical, wastewater and water treatment, engineered hygienic mixers and valves for the global biopharmaceutical industry, biocompatible medical devices and implantables, air compressors and regenerative blowers used in medical, dental, alternative energy and industrial applications, optical components and coatings for applications in the fields of scientific research, defense, biotechnology, aerospace, telecommunications and electronics manufacturing, laboratory and commercial equipment used in the production of micro and nano scale materials, precision photonic solutions used in life sciences, research and defense markets and precision gear and peristaltic pump technologies that meet exacting original equipment manufacturer specifications.

The FSDP segment designs, produces and develops firefighting pumps, valves and controls, rescue tools, lifting bags and other components and systems for the fire and rescue industry, engineered stainless steel banding and clamping devices used in a variety of industrial and commercial applications and precision equipment for dispensing, metering and mixing colorants and paints used in a variety of retail and commercial businesses around the world.

Information on the Company’s business segments is presented below based on the nature of the products and services offered. The Company evaluates its performance based on several factors, of which sales, operating income and operating margin are the primary financial measures. Intersegment sales are accounted for at fair value as if the sales were to third parties.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Net sales
Fluid & Metering Technologies
External customers	$	251,297	$	220,553	$	745,202	$	666,187
Intersegment sales	—		194		737		533
Total segment sales	251,297		220,747		745,939		666,720
Health & Science Technologies
External customers	301,637		219,671		825,440		658,361
Intersegment sales	650		707		2,228		1,744
Total segment sales	302,287		220,378		827,668		660,105
Fire & Safety/Diversified Products
External customers	159,085		140,889		479,360		412,276
Intersegment sales	21		7		42		20
Total segment sales	159,106		140,896		479,402		412,296
Intersegment elimination	(671)		(908)		(3,007)		(2,297)
Total net sales	$	712,019	$	581,113	$	2,050,002	$	1,736,824
Operating income (loss) (1)
Fluid & Metering Technologies	$	69,020	$	58,402	$	195,384	$	176,111
Health & Science Technologies	70,374		49,912		212,987		150,562
Fire & Safety/Diversified Products	39,126		37,103		126,483		103,977
Corporate office and other	(17,335)		(14,204)		(59,866)		(48,902)
Total operating income	161,185		131,213		474,988		381,748
Interest expense	9,498		10,642		31,479		33,958
Other expense (income) - net	630		(704)		16,957		7,321
Income before income taxes	$	151,057	$	121,275	$	426,552	$	340,469

	September 30, 2021		December 31, 2020
Assets
Fluid & Metering Technologies	$	1,563,000	$	1,387,067
Health & Science Technologies	2,128,510		1,576,093
Fire & Safety/Diversified Products	826,384		891,864
Corporate office and other	336,685		559,374
Total assets	$	4,854,579	$	4,414,398

(1) Segment operating income (loss) excludes net unallocated corporate operating expenses.

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Revenue

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Revenue

Revenue

IDEX is an applied solutions company specializing in the manufacture of fluid and metering technologies, health and science technologies and fire, safety and other diversified products built to customers’ specifications. The Company’s products include industrial pumps, provers, compressors, regenerative blowers, flow meters, injectors, valves and related controls for use in a wide variety of process applications; precision fluidics solutions, including pumps, valves, degassing equipment, corrective tubing, fittings and complex manifolds, optical filters and specialty medical equipment and devices for use in life science applications; precision-engineered equipment for dispensing, metering and mixing paints; and engineered products for industrial and commercial markets, including fire and rescue, transportation equipment, oil and gas, electronics and communications.

Revenue is recognized when control of products or services is transferred to customers in an amount that reflects the consideration the Company expects to be entitled to in exchange for transferring those products or providing those services. The Company accounts for a contract when it has approval and commitment from both parties, the rights of the parties are identified, payment terms are identified, the contract has commercial substance and collectability of the consideration is probable. The Company determines the appropriate revenue recognition for contracts with customers by analyzing the terms and conditions of each contract or arrangement with a customer.

Disaggregation of Revenue

The Company has a comprehensive offering of products, including technologies, built to customers’ specifications that are sold in niche markets throughout the world. The Company disaggregates its revenue from contracts with customers by reporting unit and geographical region for each segment as the Company believes it best depicts how the amount, nature, timing and uncertainty of its revenue and cash flows are affected by economic factors. Revenue was attributed to geographical region based on the location of the customer. The following tables present the Company’s revenue disaggregated by reporting unit and geographical region.

Revenue by reporting unit for the three and nine months ended September 30, 2021 and 2020 was as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Energy	$	40,430	$	56,155	$	125,860	$	150,483
Valves(1)	29,020		29,533		91,565		86,596
Water(1)	64,865		57,190		189,013		165,114
Pumps	90,026		59,585		261,457		201,970
Agriculture	26,956		18,284		78,044		62,557
Intersegment elimination	—		(194)		(737)		(533)
Fluid & Metering Technologies	251,297		220,553		745,202		666,187
Scientific Fluidics & Optics	131,198		100,569		375,990		313,275
Sealing Solutions	67,696		50,726		202,432		151,257
Performance Pneumatic Technologies(2)	62,181		32,173		125,355		87,558
Micropump	8,519		7,273		24,794		22,260
Material Processing Technologies	32,693		29,637		99,097		85,755
Intersegment elimination	(650)		(707)		(2,228)		(1,744)
Health & Science Technologies	301,637		219,671		825,440		658,361
Fire & Safety	92,305		94,065		287,107		280,428
BAND-IT	25,166		22,692		74,843		64,228
Dispensing	41,635		24,139		117,452		67,640
Intersegment elimination	(21)		(7)		(42)		(20)
Fire & Safety/Diversified Products	159,085		140,889		479,360		412,276
Total net sales	$	712,019	$	581,113	$	2,050,002	$	1,736,824

(1) During the third quarter of 2021, the Company merged a business in the Water reporting unit with a business in the Valves reporting unit. Revenue for each reporting unit has been restated to reflect this change for each of the three and nine months ended September 30, 2021 and 2020.

(2) This reporting unit was previously named Gast and was renamed Performance Pneumatic Technologies upon the acquisition of Airtech. Prior to that acquisition date, all amounts reflect only the Gast business.

Revenue by geographical region for the three and nine months ended September 30, 2021 and 2020 was as follows:

	Three Months Ended September 30, 2021
	FMT		HST		FSDP		IDEX
U.S.	$	137,046	$	148,195	$	79,911	$	365,152
North America, excluding U.S.	13,685		5,193		7,178		26,056
Europe	48,802		86,509		39,967		175,278
Asia	36,861		59,990		24,463		121,314
Other (1)	14,903		2,400		7,587		24,890
Intersegment elimination	—		(650)		(21)		(671)
Total net sales	$	251,297	$	301,637	$	159,085	$	712,019

	Three Months Ended September 30, 2020
	FMT		HST		FSDP		IDEX
U.S.	$	122,352	$	98,943	$	65,369	$	286,664
North America, excluding U.S.	13,706		5,417		5,680		24,803
Europe	43,855		59,509		37,437		140,801
Asia	26,010		52,197		25,378		103,585
Other (1)	14,824		4,312		7,032		26,168
Intersegment elimination	(194)		(707)		(7)		(908)
Total net sales	$	220,553	$	219,671	$	140,889	$	581,113

	Nine Months Ended September 30, 2021
	FMT		HST		FSDP		IDEX
U.S.	$	399,123	$	355,759	$	227,259	$	982,141
North America, excluding U.S.	42,645		16,687		22,551		81,883
Europe	150,098		258,838		127,948		536,884
Asia	108,505		178,971		78,153		365,629
Other (1)	45,568		17,413		23,491		86,472
Intersegment elimination	(737)		(2,228)		(42)		(3,007)
Total net sales	$	745,202	$	825,440	$	479,360	$	2,050,002

	Nine Months Ended September 30, 2020
	FMT		HST		FSDP		IDEX
U.S.	$	384,429	$	288,042	$	203,940	$	876,411
North America, excluding U.S.	38,741		15,911		16,980		71,632
Europe	127,906		182,596		108,683		419,185
Asia	77,144		161,342		63,500		301,986
Other (1)	38,500		12,214		19,193		69,907
Intersegment elimination	(533)		(1,744)		(20)		(2,297)
Total net sales	$	666,187	$	658,361	$	412,276	$	1,736,824

(1) Other includes: South America, Middle East, Australia and Africa.

Contract Balances

The timing of revenue recognition, billings and cash collections can result in customer receivables, advance payments or billings in excess of revenue recognized. Customer receivables include both amounts billed and currently due from customers as well as unbilled amounts (contract assets) and are included in Receivables on the Company’s Condensed Consolidated Balance Sheets. Amounts are billed in accordance with contractual terms or as work progresses. Unbilled amounts arise when the timing of billing differs from the timing of revenue recognized, such as when contract provisions require specific milestones to be met before a customer can be billed. Unbilled amounts primarily relate to performance obligations satisfied over time when the cost-to-cost method (defined below) is utilized and the revenue recognized exceeds the amount billed to the customer as there is not yet a right to invoice in accordance with contractual terms. Unbilled amounts are recorded as a contract asset when the revenue associated with the contract is recognized prior to billing and derecognized when billed in accordance with the terms of the contract. Customer receivables are recorded at face amount less an allowance for doubtful accounts. The Company maintains an allowance for doubtful accounts for expected losses as a result of customers’ inability to make required payments. Management evaluates the aging of customer receivable balances, the financial condition of its customers, historical trends and the time outstanding of specific balances to estimate the amount of customer receivables that may not be collected in the future and records the appropriate provision.

The composition of Customer receivables was as follows:

	September 30, 2021		December 31, 2020
Billed receivables	$	352,238	$	273,536
Unbilled receivables	14,956		14,752
Total customer receivables	$	367,194	$	288,288

Advance payments, deposits and billings in excess of revenue recognized are included in Deferred revenue which is classified as current or noncurrent based on the timing of when the Company expects to recognize the revenue. The current portion is included in Accrued expenses and the noncurrent portion is included in Other noncurrent liabilities on the Company’s Condensed Consolidated Balance Sheets. Advance payments and deposits represent contract liabilities and are recorded when customers remit contractual cash payments in advance of us satisfying performance obligations under contractual arrangements, including those with performance obligations satisfied over time. The Company generally receives advance payments from customers related to maintenance services which the Company recognizes ratably over the service term. The Company also receives deposits from customers on certain orders which the Company recognizes as revenue at a point in time. Billings in excess of revenue recognized represent contract liabilities and primarily relate to performance obligations satisfied over time when the cost-to-cost method (defined below) is utilized and revenue cannot yet be recognized as the Company has not completed the corresponding performance obligation. Contract liabilities are derecognized when revenue is recognized and the performance obligation is satisfied.

The composition of Deferred revenue was as follows:

	September 30, 2021		December 31, 2020
Deferred revenue - current	$	45,055	$	28,374
Deferred revenue - noncurrent	31,025		30,354
Total deferred revenue	$	76,080	$	58,728

Performance Obligations

A performance obligation is a promise in a contract to transfer a distinct product or service to the customer. A contract’s transaction price is allocated to each performance obligation and recognized as revenue when, or as, the performance obligation is satisfied. For contracts that require complex design, manufacturing and installation activities, certain performance obligations may not be separately identifiable from other performance obligations in the contract and, therefore, not distinct. As a result, the entire contract is accounted for as a single performance obligation. For contracts that include distinct products or services that are substantially the same and have the same pattern of transfer to the customer over time, they are recognized as a series of distinct products or services. Certain contracts have multiple performance obligations for which the Company allocates the transaction price to each performance obligation using an estimate of the standalone selling price of each distinct product or

service in the contract. For product sales, each product sold to a customer generally represents a distinct performance obligation. In such cases, the observable standalone sales are used to determine the standalone selling price. In certain cases, the Company may be required to estimate standalone selling price using the expected cost plus margin approach, under which it forecasts the expected costs of satisfying a performance obligation and then adds an appropriate margin for that distinct product or service.

The Company’s performance obligations are satisfied either at a point in time or over time as work progresses. Performance obligations are supported by contracts with customers that provide a framework for the nature of the distinct product or service or bundle of products and services. The Company defines service revenue as revenue from activities that are not associated with the design, development or manufacture of a product or the delivery of a software license.

Revenue from products and services transferred to customers at a point in time approximated 95% of total revenues in each of the three and nine months ended September 30, 2021 and 2020. Revenue on these contracts is recognized when obligations under the terms of the contract with the customer are satisfied. Generally, this occurs with the transfer of control of the asset, which is in line with shipping terms.

Revenue from products and services transferred to customers over time approximated 5% of total revenues in each of the three and nine months ended September 30, 2021 and 2020. Revenue earned by certain business units within the Water, Energy, Material Processing Technologies (“MPT”) and Dispensing reporting units is recognized over time because control transfers continuously to customers. When accounting for over-time contracts, the Company uses an input measure to determine the extent of progress towards completion of the performance obligation. For certain business units within the Water, Energy and MPT reporting units, revenue is recognized over time as work is performed based on the relationship between actual costs incurred to date for each contract and the total estimated costs for such contract at completion of the performance obligation (i.e., the cost-to-cost method). The Company believes this measure of progress best depicts the transfer of control to the customer which occurs as the Company incurs costs on its contracts. Incurred cost represents work performed, which corresponds with the transfer of control to the customer. Contract costs include labor, material and overhead. Contract estimates are based on various assumptions to project the outcome of future events. These assumptions include labor productivity and availability; the complexity of the work to be performed; the cost and availability of materials; the performance of subcontractors; and the availability and timing of funding from the customer. Revenues, including estimated fees or profits, are recorded proportionally as costs are incurred. For certain business units within the Energy and Dispensing reporting units, revenue is recognized ratably over the contract term.

As a significant change in one or more of these estimates could affect the profitability of the Company’s contracts, the Company reviews and updates its estimates regularly. Due to uncertainties inherent in the estimation process, it is reasonably possible that completion costs, including those arising from contract penalty provisions and final contract settlements, will be revised. Such revisions to costs and income are recognized in the period in which the revisions are determined as a cumulative catch-up adjustment. The impact of the adjustment on profit recorded to date on a contract is recognized in the period the adjustment is identified. Revenue and profit in future periods of contract performance are recognized using the adjusted estimate. If at any time the estimate of contract profitability indicates an anticipated loss on the contract, the Company recognizes provisions for estimated losses on incomplete contracts in the period in which such losses are determined.

The Company records allowances for discounts and product returns at the time of sale as a reduction of revenue as such allowances can be reliably estimated based on historical experience and known trends. The Company also offers product warranties (primarily assurance-type) and accrues its estimated exposure for warranty claims at the time of sale based upon the length of the warranty period, warranty costs incurred and any other related information known to the Company.

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Earnings Per Common Share

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Earnings Per Common Share

Earnings Per Common Share

Diluted earnings per common share (“EPS”) attributable to IDEX is computed by dividing net income attributable to IDEX by the weighted average number of shares of common stock (basic) plus common stock equivalents outstanding (diluted) during the period. Common stock equivalents consist of stock options, which have been included in the calculation of weighted average shares outstanding using the treasury stock method, restricted stock and performance share units.

ASC 260, Earnings Per Share, concludes that all outstanding unvested share-based payment awards that contain rights to nonforfeitable dividends participate in undistributed earnings with common shareholders. If awards are considered participating

securities, the Company is required to apply the two-class method of computing basic and diluted earnings per share. The Company has determined that its outstanding shares of restricted stock are participating securities. Accordingly, EPS attributable to IDEX was computed using the two-class method prescribed by ASC 260.

Basic weighted average shares outstanding reconciles to diluted weighted average shares outstanding as follows:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2021	2020	2021	2020
Basic weighted average common shares outstanding	76,010	75,352	75,957	75,423
Dilutive effect of stock options, restricted stock and performance share units	442	608	451	696
Diluted weighted average common shares outstanding	76,452	75,960	76,408	76,119

Options to purchase approximately 0.3 million shares of common stock for both the three months ended September 30, 2021 and 2020, and 0.3 million and 0.6 million shares of common stock for the nine months ended September 30, 2021 and 2020, respectively, were not included in the computation of diluted EPS because the effect of their inclusion would have been antidilutive.

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Inventories

9 Months Ended

Sep. 30, 2021

Inventory Disclosure [Abstract]

Inventories

Inventories

The components of inventories as of September 30, 2021 and December 31, 2020 were:

	September 30, 2021		December 31, 2020
Raw materials and component parts	$	212,427	$	173,248
Work in process	41,586		29,436
Finished goods	99,911		87,226
Total inventories	$	353,924	$	289,910

Inventories are stated at the lower of cost or net realizable value. Cost, which includes material, labor and factory overhead, is determined on a first in, first out basis.

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Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and Intangible Assets

The changes in the carrying amount of goodwill for the nine months ended September 30, 2021, by reportable business segment, were as follows:

	FMT		HST		FSDP		IDEX
Goodwill	$	670,442	$	1,012,448	$	413,315	$	2,096,205
Accumulated goodwill impairment losses	(20,721)		(149,820)		(30,090)		(200,631)
Balance at December 31, 2020	649,721		862,628		383,225		1,895,574
Foreign currency translation	(7,132)		(14,168)		(7,405)		(28,705)
Acquisitions	59,481		271,268		—		330,749
Disposition of businesses	—		(129)		—		(129)
Acquisition adjustments	(405)		—		—		(405)
Balance at September 30, 2021	$	701,665	$	1,119,599	$	375,820	$	2,197,084

ASC 350, Goodwill and Other Intangible Assets, requires that goodwill be tested for impairment at the reporting unit level on an annual basis and between annual tests if an event occurs or circumstances change that would more likely than not reduce the fair value of the reporting unit below its carrying value. In the first nine months of 2021, there were no events or circumstances that would have required an interim impairment test. Annually, on October 31, goodwill and other acquired intangible assets with indefinite lives are tested for impairment. Based on the results of the Company’s annual impairment test at October 31, 2020, all reporting units had fair values in excess of their carrying values.

The following table provides the gross carrying value and accumulated amortization for each major class of intangible asset at September 30, 2021 and December 31, 2020:

	At September 30, 2021							At December 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Net		Weighted Average Life	Gross Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets:
Patents	$	3,152	$	(1,968)	$	1,184	10	$	3,030	$	(1,740)	$	1,290
Trade names	148,258		(76,161)		72,097		15	130,793		(72,685)		58,108
Customer relationships	495,680		(134,636)		361,044		13	318,350		(120,294)		198,056
Unpatented technology	145,175		(57,034)		88,141		13	122,287		(55,131)		67,156
Other	—		—		—		—	700		(647)		53
Total amortized intangible assets	792,265		(269,799)		522,466			575,160		(250,497)		324,663
Indefinite-lived intangible assets:
Banjo trade name	62,100		—		62,100			62,100		—		62,100
Akron Brass trade name	28,800		—		28,800			28,800		—		28,800
Total intangible assets	$	883,165	$	(269,799)	$	613,366		$	666,060	$	(250,497)	$	415,563

The Banjo trade name and the Akron Brass trade name are indefinite-lived intangible assets which are tested for impairment on an annual basis in accordance with ASC 350 or more frequently if events or changes in circumstances indicate that the assets might be impaired. Based on the results of the Company’s annual impairment test at October 31, 2020, these indefinite-lived intangible assets had fair values in excess of their carrying values. In the first nine months of 2021, there were no events or circumstances that would have required an interim impairment test on these indefinite-lived intangible assets. The Company uses the relief-from-royalty method, a form of the income approach, to determine the fair value of these trade names. The relief-from-royalty method is dependent on a number of significant management assumptions, including estimates of revenues, royalty rates and discount rates.

Amortization of intangible assets was $16.2 million and $40.7 million for the three and nine months ended September 30, 2021, respectively. Amortization of intangible assets was $11.1 million and $31.1 million for the three and nine months ended September 30, 2020, respectively. Based on the intangible asset balances as of September 30, 2021, amortization expense is expected to approximate $15.7 million for the remaining three months of 2021, $61.3 million in 2022, $58.1 million in 2023, $53.6 million in 2024 and $52.0 million in 2025.

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Accrued Expenses

9 Months Ended

Sep. 30, 2021

Payables and Accruals [Abstract]

Accrued Expenses

Accrued Expenses

The components of accrued expenses as of September 30, 2021 and December 31, 2020 were:

	September 30, 2021		December 31, 2020
Payroll and related items	$	83,828	$	75,238
Management incentive compensation	21,483		15,763
Income taxes payable	16,038		13,453
Insurance	11,739		11,115
Warranty	7,777		7,394
Deferred revenue	45,055		28,374
Lease liability	17,597		16,721
Restructuring	3,315		3,868
Liability for uncertain tax positions	305		—
Accrued interest	12,604		3,592
Other	32,351		33,310
Total accrued expenses	$	252,092	$	208,828

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Other Noncurrent Liabilities

9 Months Ended

Sep. 30, 2021

Other Liabilities Disclosure [Abstract]

Other Noncurrent Liabilities

Other Noncurrent Liabilities

The components of other noncurrent liabilities as of September 30, 2021 and December 31, 2020 were:

	September 30, 2021		December 31, 2020
Pension and retiree medical obligations	$	92,308	$	99,417
Transition tax payable	14,128		14,208
Liability for uncertain tax positions	773		1,071
Deferred revenue	31,025		30,354
Lease liability	96,927		94,250
Other	22,883		27,497
Total other noncurrent liabilities	$	258,044	$	266,797

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Borrowings

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Borrowings

Borrowings

Borrowings at September 30, 2021 and December 31, 2020 consisted of the following: 

	September 30, 2021		December 31, 2020
4.20% Senior Notes, due December 2021	$	—	$	350,000
3.20% Senior Notes, due June 2023	100,000		100,000
3.37% Senior Notes, due June 2025	100,000		100,000
3.00% Senior Notes, due May 2030	500,000		500,000
2.625% Senior Notes, due June 2031	500,000		—
Other borrowings	131		215
Total borrowings	1,200,131		1,050,215
Less current portion	35		88
Less deferred debt issuance costs	8,628		4,824
Less unaccreted debt discount	1,390		949
Total long-term borrowings	$	1,190,078	$	1,044,354

Issuance of 2.625% Senior Notes in 2021

On May 28, 2021, the Company completed a public offering of $500.0 million in aggregate principal amount of 2.625% Senior Notes due June 2031 (the “2.625% Senior Notes”). The net proceeds from the offering were approximately $494.7 million, after deducting the issuance discount of $0.6 million, the underwriting commission of $3.3 million and offering expenses of $1.4 million. The net proceeds were used to redeem and repay the $350.0 million aggregate principal amount outstanding of its 4.20% Senior Notes due December 15, 2021 and a $6.7 million make-whole redemption premium, with the remaining balance used for general corporate purposes. The 2.625% Senior Notes bear interest at a rate of 2.625% per annum, which is payable semi-annually in arrears on June 15 and December 15 of each year. The 2.625% Senior Notes mature on June 15, 2031. The 2.625% Senior Notes were issued under an Indenture, dated as of December 6, 2010 (the “Base Indenture”), between the Company and Wells Fargo Bank, National Association, as trustee (the “Trustee”), as supplemented by the Fourth Supplemental Indenture, dated as of May 28, 2021 (the “Supplemental Indenture” and, together with the Base Indenture and other supplements thereto, the “Indenture”), between the Company and the Trustee.

The Company may redeem all or a portion of the 2.625% Senior Notes at any time prior to maturity at the redemption prices set forth in the Indenture. The Indenture and 2.625% Notes contain covenants that limit the Company’s ability to, among other things, incur certain liens, enter into certain sale and leaseback transactions and enter into certain mergers, consolidations and transfers of substantially all of the Company’s assets. The terms of the 2.625% Senior Notes also require the Company to make an offer to repurchase the 2.625% Senior Notes upon a change of control triggering event (as defined in the Indenture) at a price equal to 101% of the principal amount plus accrued and unpaid interest, if any. The Indenture also provides for customary events of default, which include nonpayment, breach of covenants or warranties in the Indenture and certain events of bankruptcy, insolvency or reorganization. Generally, if an event of default occurs, the Trustee or holders of at least 25% of the then outstanding 2.625% Senior Notes may declare the principal amount of all of the 2.625% Senior Notes to be due and payable immediately.

On May 17, 2021, the Company provided notice of its election to redeem early, on June 16, 2021, the $350.0 million aggregate principal amount outstanding of its 4.20% Senior Notes at a redemption price of $350.0 million plus a make-whole redemption premium of $6.7 million using proceeds from the Company’s 2.625% Senior Notes. In addition, the Company recognized the remaining $1.3 million of the pre-tax amount included in Accumulated other comprehensive loss in shareholders’ equity related to the interest rate exchange agreement associated with the 4.20% Senior Notes and wrote off the remaining $0.1 million of deferred issuance costs and $0.1 million of the debt issuance discount associated with the 4.20% Senior Notes as well as $0.4 million of deferred taxes for a total loss on early debt redemption of $8.6 million which was recorded within Other expense (income) - net in the Condensed Consolidated Statements of Operations during the nine months ended September 30, 2021.

Issuance of 3.00% Senior Notes in 2020

On April 29, 2020, the Company completed a public offering of $500.0 million in aggregate principal amount of 3.00% Senior Notes due May 2030 (the “3.00% Senior Notes”). The net proceeds from the offering were approximately $494.4 million, after deducting the issuance discount of $0.9 million, the underwriting commission of $3.3 million and offering expenses of $1.4 million. The net proceeds were used to redeem and repay the $300.0 million aggregate principal amount outstanding of its 4.50% Senior Notes due December 15, 2020 and the related accrued interest and make-whole redemption premium, with the balance used for general corporate purposes. The 3.00% Senior Notes bear interest at a rate of 3.00% per annum, which is payable semi-annually in arrears on May 1 and November 1 of each year. The 3.00% Senior Notes mature on May 1, 2030.

On April 27, 2020, the Company provided notice of its election to redeem early, on May 27, 2020, the $300.0 million aggregate principal amount outstanding of its 4.50% Senior Notes at a redemption price of $300.0 million plus a make-whole redemption premium of $6.8 million and accrued and unpaid interest of $6.1 million using proceeds from the Company’s 3.00% Senior Notes. In addition, the Company recognized the remaining $1.4 million of the pre-tax amount included in Accumulated other comprehensive loss in shareholders’ equity related to the interest rate exchange agreement associated with the 4.50% Senior Notes and wrote off the remaining $0.1 million of deferred issuance costs and $0.1 million of the debt issuance discount associated with the 4.50% Senior Notes for a total loss on early debt redemption of $8.4 million which was recorded within Other expense (income) - net in the Condensed Consolidated Statements of Operations during the nine months ended September 30, 2020.

Revolving Facility

On May 31, 2019, the Company entered into a credit agreement (the “Credit Agreement”) along with certain of its subsidiaries, as borrowers (the “Borrowers”), Bank of America, N.A., as administrative agent, swing line lender and an issuer of letters of credit, with other agents party thereto. The Credit Agreement consists of a revolving credit facility (the “Revolving Facility”) in an aggregate principal amount of $800 million with a final maturity date of May 31, 2024. The maturity date may be extended under certain conditions for an additional one-year term. Up to $75 million of the Revolving Facility is available for the issuance of letters of credit. Additionally, up to $50 million of the Revolving Facility is available to the Company for swing line loans, available on a same-day basis.

Borrowings under the Credit Agreement bear interest, at either an alternate base rate or adjusted LIBOR plus, in each case, an applicable margin. Such applicable margin is based on the lower of the Company’s senior, unsecured, long-term debt rating or the Company’s applicable leverage ratio and can range from 0.00% to 1.275%. Interest is payable (a) in the case of base rate loans, quarterly, and (b) in the case of LIBOR loans, on the last day of the applicable interest period selected, or every three months from the effective date of such interest period for interest periods exceeding three months.

At September 30, 2021, there was no balance outstanding under the Revolving Facility and $7.2 million of outstanding letters of credit, resulting in a net available borrowing capacity under the Revolving Facility at September 30, 2021 of approximately $792.8 million.

At September 30, 2021, the Company was in compliance with covenants contained in the Credit Agreement and other long-term debt agreements.

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Derivative Instruments

9 Months Ended

Sep. 30, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments

Derivative Instruments

The Company enters into cash flow hedges from time to time to reduce the exposure to variability in certain expected future cash flows. The types of cash flow hedges the Company enters into include foreign currency exchange contracts designed to minimize the earnings impact on certain intercompany loans as well as interest rate exchange agreements designed to reduce the impact of interest rate changes on future interest expense that effectively convert a portion of floating-rate debt to fixed-rate debt.

The effective portion of gains or losses on interest rate exchange agreements is reported in Accumulated other comprehensive loss in shareholders’ equity and reclassified into net income in the same period or periods in which the hedged transaction affects net income. The remaining gain or loss in excess of the cumulative change in the present value of future cash flows or the hedged item, if any, is recognized in net income during the period of change. See Note 16 for the amount of loss

reclassified into net income for interest rate contracts for the three and nine months ended September 30, 2021 and 2020. As of September 30, 2021, the Company did not have any interest rate contracts outstanding.

In 2010 and 2011, the Company entered into two separate forward starting interest rate exchange agreements in anticipation of the issuance of the 4.50% Senior Notes and the 4.20% Senior Notes. The Company cash settled these two interest rate contracts in 2010 and 2011 for a total of $68.9 million, which was being amortized into interest expense over the 10 year terms of the respective debt instruments. In conjunction with the early redemption of the 4.50% Senior Notes on May 27, 2020, the Company accelerated the recognition of the remaining $1.4 million of the pre-tax amount included in Accumulated other comprehensive loss in shareholders’ equity related to the 4.50% Senior Notes and recorded such as Other expense (income) - net in the Condensed Consolidated Statements of Operations during the nine months ended September 30, 2020. In conjunction with the early redemption of the 4.20% Senior Notes on June 16, 2021, the Company accelerated the recognition of the remaining $1.3 million of the pre-tax amount included in Accumulated other comprehensive loss in shareholders’ equity related to the 4.20% Senior Notes and recorded such as Other expense (income) - net in the Condensed Consolidated Statements of Operations during the nine months ended September 30, 2021. As of September 30, 2021, there was no balance in Accumulated other comprehensive loss related to the cumulative unrealized gain (loss) on derivatives.

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Fair Value Measurements

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

ASC 820, Fair Value Measurements and Disclosures, defines fair value, provides guidance for measuring fair value and requires certain disclosures. This standard discusses valuation techniques, such as the market approach (comparable market prices), the income approach (present value of future income or cash flow) and the cost approach (cost to replace the service capacity of an asset or replacement cost). The standard utilizes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The following is a brief description of those three levels:

•Level 1: Observable inputs such as quoted prices (unadjusted) in active markets for identical assets or liabilities.

•Level 2: Inputs, other than quoted prices that are observable for the asset or liability, either directly or indirectly. These include quoted prices for similar assets or liabilities in active markets and quoted prices for identical or similar assets or liabilities in markets that are not active.

•Level 3: Unobservable inputs that reflect the reporting entity’s own assumptions.

The following table summarizes the basis used to measure the Company’s financial assets (liabilities) at fair value on a recurring basis in the balance sheets at September 30, 2021 and December 31, 2020:

	Basis of Fair Value Measurements
	Balance at September 30, 2021		Level 1		Level 2		Level 3
Trading securities - mutual funds held in nonqualified SERP(1)	$	10,842	$	10,842	$	—	$	—
Trading securities - fixed income(2)	9,834		9,834		—		—
Trading securities - equities(2)	1,061		1,061		—		—

	Basis of Fair Value Measurements
	Balance at December 31, 2020		Level 1		Level 2		Level 3
Trading securities - mutual funds held in nonqualified SERP(1)	$	13,554	$	13,554	$	—	$	—

(1) The Supplemental Executive Retirement Plan (“SERP”) investment assets are offset by a SERP liability which represents the Company’s obligation to distribute SERP funds to participants.

(2) See Note 19 for further discussion of surplus plan assets following the termination of the IDEX Corporation Retirement Plan.

There were no transfers of assets or liabilities between Level 1 and Level 2 during the three and nine months ended September 30, 2021 or the year ended December 31, 2020.

The carrying values of the Company’s cash and cash equivalents, accounts receivable, accounts payable and accrued expenses approximate their fair values because of the short term nature of these instruments. At September 30, 2021, the fair value of the outstanding indebtedness under the Company’s 2.625% Senior Notes, 3.00% Senior Notes, 3.20% Senior Notes, 3.37% Senior Notes and other borrowings based on quoted market prices and current market rates for debt with similar credit risk and maturity was approximately $1,248.9 million compared to the carrying value of $1,198.7 million. At December 31, 2020, the fair value of the outstanding indebtedness under the Company’s 3.00% Senior Notes, 3.20% Senior Notes, 3.37% Senior Notes, 4.20% Senior Notes and other borrowings based on quoted market prices and current market rates for debt with similar credit risk and maturity was approximately $1,127.6 million compared to the carrying value of $1,049.3 million. These fair value measurements are classified as Level 2 within the fair value hierarchy since they are determined based upon significant inputs observable in the market, including interest rates on recent financing transactions to entities with a credit rating similar to the Company’s rating.

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Leases

9 Months Ended

Sep. 30, 2021

Lessee Disclosure [Abstract]

Leases

Leases

    The Company leases certain office facilities, warehouses, manufacturing plants, equipment (which includes both office and plant equipment) and vehicles under operating leases. Leases with an initial term of 12 months or less are not recorded on the balance sheet; the Company recognizes lease expense for these leases on a straight-line basis over the lease term.

Certain leases include one or more options to renew. The exercise of lease renewal options is at the Company’s sole discretion. The Company does not include renewal periods in any of the leases’ terms until the renewal is executed as they are generally not reasonably certain of being exercised. The Company does not have any material purchase options.

Certain of the Company’s lease agreements have rental payments that are adjusted periodically for inflation or that are based on usage. The Company’s lease agreements do not contain any material residual value guarantees or material restrictive covenants.

Supplemental balance sheet information related to leases as of September 30, 2021 and December 31, 2020 was as follows:

	Balance Sheet Caption	September 30, 2021		December 31, 2020
Operating leases:
Building right-of-use assets - net	Other noncurrent assets	$	104,601	$	100,775
Equipment right-of-use assets - net	Other noncurrent assets	6,319		5,811
Total right-of-use assets - net		$	110,920	$	106,586
Operating leases:
Current lease liabilities	Accrued expenses	$	17,597	$	16,721
Noncurrent lease liabilities	Other noncurrent liabilities	96,927		94,250
Total lease liabilities		$	114,524	$	110,971

The components of lease cost for the three and nine months ended September 30, 2021 and 2020 were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Operating lease cost (1)	$	9,258	$	7,349	$	23,754	$	19,663
Variable lease cost	730		426		1,903		1,380
Total lease expense	$	9,988	$	7,775	$	25,657	$	21,043

(1) Includes short-term leases, which are immaterial.

Supplemental cash flow information related to leases for the nine months ended September 30, 2021 and 2020 was as follows:

	Nine Months Ended September 30,
	2021		2020
Cash paid for amounts included in the measurement of operating lease liabilities	$	23,134	$	19,198
Right-of-use assets obtained in exchange for new operating lease liabilities	13,853		36,707

Other supplemental information related to leases as of September 30, 2021 and December 31, 2020 was as follows:

Lease Term and Discount Rate	September 30, 2021		December 31, 2020
Weighted-average remaining lease term (years):
Operating leases - building and equipment	8.65		9.43
Operating leases - vehicles	2.25		2.01
Weighted-average discount rate:
Operating leases - building and equipment	3.27	%	3.51	%
Operating leases - vehicles	1.30	%	2.05	%

The Company uses its incremental borrowing rate to determine the present value of the lease payments.

Total lease liabilities at September 30, 2021 have scheduled maturities as follows:

Maturity of Lease Liabilities	Operating Leases
2021 (excluding the nine months ended September 30, 2021)	$	5,105
2022	19,884
2023	18,014
2024	15,130
2025	13,403
Thereafter	60,478
Total lease payments	132,014
Less: Imputed interest	(17,490)
Present value of lease liabilities	$	114,524

Total lease liabilities at December 31, 2020 had scheduled maturities as follows:

Maturity of Lease Liabilities	Operating Leases
2021	$	19,717
2022	17,014
2023	13,662
2024	11,681
2025	11,141
Thereafter	57,570
Total lease payments	130,785
Less: Imputed interest	(19,814)
Present value of lease liabilities	$	110,971

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Restructuring Expenses and Asset Impairments

9 Months Ended

Sep. 30, 2021

Restructuring and Related Activities [Abstract]

Restructuring Expenses and Asset Impairments

Restructuring Expenses and Asset Impairments

During the three and nine months ended September 30, 2021, the Company incurred restructuring costs to facilitate long-term, sustainable growth through cost reduction actions, consisting of employee reductions, facility rationalization and asset impairments. Restructuring costs include severance benefits, exit costs and asset impairments and are included in Restructuring expenses and asset impairments in the Condensed Consolidated Statements of Operations. Severance costs primarily consist of severance benefits through payroll continuation, COBRA subsidies, outplacement services, conditional separation costs and employer tax liabilities, while exit costs primarily consist of lease exit and contract termination costs.

In the first nine months of 2021, the Company consolidated certain facilities within the FMT segment which resulted in asset impairments of $0.8 million related to property, plant and equipment that was not relocated to the new locations.

Pre-tax restructuring expenses and asset impairments by segment for the three and nine months ended September 30, 2021 and 2020 were as follows:

	Three Months Ended September 30, 2021
	Severance Costs		Exit Costs		Asset Impairment		Total
Fluid & Metering Technologies	$	1,345	$	—	$	589	$	1,934
Health & Science Technologies	626		—		—		626
Fire & Safety/Diversified Products	(55)		—		—		(55)
Corporate/Other	699		—		—		699
Total restructuring costs	$	2,615	$	—	$	589	$	3,204

	Three Months Ended September 30, 2020
	Severance Costs		Exit Costs		Asset Impairment		Total
Fluid & Metering Technologies	$	500	$	—	$	85	$	585
Health & Science Technologies	978		—		—		978
Fire & Safety/Diversified Products	1,249		—		—		1,249
Corporate/Other	105		—		—		105
Total restructuring costs	$	2,832	$	—	$	85	$	2,917

	Nine Months Ended September 30, 2021
	Severance Costs		Exit Costs		Asset Impairment		Total
Fluid & Metering Technologies	$	3,972	$	—	$	815	$	4,787
Health & Science Technologies	1,693		—		—		1,693
Fire & Safety/Diversified Products	161		—		—		161
Corporate/Other	1,927		—		—		1,927
Total restructuring costs	$	7,753	$	—	$	815	$	8,568

	Nine Months Ended September 30, 2020
	Severance Costs		Exit Costs		Asset Impairment		Total
Fluid & Metering Technologies	$	2,348	$	—	$	85	$	2,433
Health & Science Technologies	2,162		—		—		2,162
Fire & Safety/Diversified Products	1,890		—		—		1,890
Corporate/Other	273		—		—		273
Total restructuring costs	$	6,673	$	—	$	85	$	6,758

Restructuring accruals of $3.3 million and $3.9 million at September 30, 2021 and December 31, 2020, respectively, are reflected in Accrued expenses in the Company’s Condensed Consolidated Balance Sheets. Severance benefits are expected to be paid in the next twelve months using cash from operations. The changes in the restructuring accrual for the nine months ended September 30, 2021 are as follows:

	Restructuring
Balance at January 1, 2021	$	3,868
Restructuring expenses (1)	7,753
Payments, utilization and other	(8,306)
Balance at September 30, 2021	$	3,315

(1) Excludes $0.8 million of asset impairments related to property, plant and equipment.

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Other Comprehensive Income (Loss)

9 Months Ended

Sep. 30, 2021

Equity [Abstract]

Other Comprehensive Income (Loss)

Other Comprehensive Income (Loss)

The components of Other comprehensive income (loss) are as follows:

	Three Months Ended September 30, 2021						Three Months Ended September 30, 2020
	Pre-tax		Tax		Net of tax		Pre-tax		Tax		Net of tax
Cumulative translation adjustment	$	(28,703)	$	—	$	(28,703)	$	47,343	$	—	$	47,343
Pension and other postretirement adjustments	1,175		(335)		840		462		(171)		291
Reclassification adjustments for derivatives	—		—		—		869		(197)		672
Total other comprehensive income (loss)	$	(27,528)	$	(335)	$	(27,863)	$	48,674	$	(368)	$	48,306

	Nine Months Ended September 30, 2021						Nine Months Ended September 30, 2020
	Pre-tax		Tax		Net of tax		Pre-tax		Tax		Net of tax
Cumulative translation adjustment	$	(56,887)	$	—	$	(56,887)	$	40,158	$	—	$	40,158
Pension and other postretirement adjustments	14,238		(3,443)		10,795		2,767		(811)		1,956
Reclassification adjustments for derivatives	3,275		(744)		2,531		5,153		(1,171)		3,982
Total other comprehensive income (loss)	$	(39,374)	$	(4,187)	$	(43,561)	$	48,078	$	(1,982)	$	46,096

The amounts reclassified from Accumulated other comprehensive loss to net income during the three and nine months ended September 30, 2021 and 2020 are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020		Income Statement Caption
Pension and other postretirement plans:
Amortization of net (gain) loss	$	1,175	$	462	$	14,238	$	2,767	Other expense (income) - net
Total before tax	1,175		462		14,238		2,767
Provision for income taxes	(335)		(171)		(3,443)		(811)
Total net of tax	$	840	$	291	$	10,795	$	1,956
Derivatives:
Reclassification adjustments	$	—	$	869	$	3,275	$	5,153	Interest expense, Other expense (income) - net
Total before tax	—		869		3,275		5,153
Provision for income taxes	—		(197)		(744)		(1,171)
Total net of tax	$	—	$	672	$	2,531	$	3,982

During the nine months ended September 30, 2021, the Company recognized the remaining $1.3 million of the pre-tax amount included in Accumulated other comprehensive loss in shareholders’ equity related to the 4.20% Senior Notes as Other expense (income) - net in the Condensed Consolidated Statements of Operations. As of September 30, 2021, there was no balance in Accumulated other comprehensive loss related to the cumulative unrealized gain (loss) on derivatives.

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Common and Preferred Stock

9 Months Ended

Sep. 30, 2021

Equity [Abstract]

Common and Preferred Stock

Common and Preferred Stock

On March 17, 2020, the Company’s Board of Directors approved an increase of $500.0 million in the authorized level of repurchases of common stock. This approval is in addition to the prior repurchase authorization of the Board of Directors of $300.0 million on December 1, 2015. These authorizations have no expiration date. Repurchases under the program will be funded with future cash flow generation or borrowings available under the Revolving Facility. There were no share repurchases during the nine months ended September 30, 2021. During the nine months ended September 30, 2020, the Company repurchased a total of 876 thousand shares at a cost of $110.3 million. As of September 30, 2021, the amount of share repurchase authorizations remaining was $712.0 million.

At September 30, 2021 and December 31, 2020, the Company had 150 million shares of authorized common stock, with a par value of $.01 per share, and five million shares of authorized preferred stock, with a par value of $.01 per share. No preferred stock was outstanding at September 30, 2021 or December 31, 2020.

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Share-Based Compensation

9 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement [Abstract]

Share-Based Compensation

Share-Based Compensation

The Company typically grants equity awards annually at its regularly scheduled first quarter meeting of the Board of Directors based on the recommendation from the Compensation Committee.

Stock Options

Stock options generally vest ratably over four years. Weighted average option fair values and assumptions for the periods specified are disclosed below. The fair value of each option grant was estimated on the date of the grant using the Binomial lattice option pricing model (for options granted before March 2021) or the Black Scholes valuation model (for options granted after February 2021).

	Three Months Ended September 30,		Nine Months Ended September 30,
	2021	2020	2021	2020
Weighted average fair value of grants	$45.44	$31.60	$38.86	$34.22
Dividend yield	0.96%	1.18%	1.01%	1.15%
Volatility	24.60%	23.71%	23.77%	22.04%
Risk-free interest rate	0.71% - 0.82%	0.14% - 0.70%	0.12% - 1.54%	1.40% - 1.66%
Expected life (in years)	4.90	5.81	5.70	5.80

Total compensation cost for stock options is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of goods sold	$	100	$	107	$	436	$	389
Selling, general and administrative expenses	1,789		2,177		6,269		7,449
Total expense before income taxes	1,889		2,284		6,705		7,838
Income tax benefit	(180)		(216)		(628)		(801)
Total expense after income taxes	$	1,709	$	2,068	$	6,077	$	7,037

A summary of the Company’s stock option activity as of September 30, 2021 and changes during the nine months ended September 30, 2021 are presented in the following table:

Stock Options	Shares	Weighted Average Price		Weighted-Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at January 1, 2021	963,726	$	125.70	6.94	$	70,829,529
Granted	278,605	198.21
Exercised	(131,685)	111.07
Forfeited	(37,979)	165.68
Outstanding at September 30, 2021	1,072,667	$	144.92	7.07	$	66,728,398
Vested and expected to vest as of September 30, 2021	1,021,851	$	142.97	6.98	$	65,520,705
Exercisable at September 30, 2021	495,853	$	106.25	5.28	$	49,933,371

Restricted Stock

Restricted stock awards generally cliff vest after three years for employees and non-employee directors. Unvested restricted stock carries dividend and voting rights and the sale of the shares is restricted prior to the date of vesting. A summary of the Company’s restricted stock activity as of September 30, 2021 and changes during the nine months ended September 30, 2021 are presented as follows:

Restricted Stock	Shares	Weighted-Average Grant Date Fair Value
Unvested at January 1, 2021	111,300	$	147.13
Granted	37,985	205.64
Vested	(28,874)	137.25
Forfeited	(6,735)	169.41
Unvested at September 30, 2021	113,676	$	168.24

Dividends are paid on restricted stock awards and their fair value is equal to the market price of the Company’s stock at the date of the grant.

Total compensation cost for restricted stock awards is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of goods sold	$	85	$	69	$	318	$	255
Selling, general and administrative expenses	1,290		963		3,856		2,809
Total expense before income taxes	1,375		1,032		4,174		3,064
Income tax benefit	(264)		(217)		(846)		(643)
Total expense after income taxes	$	1,111	$	815	$	3,328	$	2,421

Cash-Settled Restricted Stock

The Company also maintains a cash-settled share based compensation plan for certain employees. Cash-settled restricted stock awards generally cliff vest after three years. Cash-settled restricted stock awards are recorded at fair value on a quarterly basis using the market price of the Company’s stock on the last day of the quarter. A summary of the Company’s unvested cash-settled restricted stock activity as of September 30, 2021 and changes during the nine months ended September 30, 2021 are presented in the following table:

Cash-Settled Restricted Stock	Shares	Weighted-Average Fair Value
Unvested at January 1, 2021	63,940	$	199.20
Granted	22,385	198.85
Vested	(22,921)	199.51
Forfeited	(3,930)	206.95
Unvested at September 30, 2021	59,474	$	206.95

Dividend equivalents are paid on certain cash-settled restricted stock awards. Total compensation cost for cash-settled restricted stock is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of goods sold	$	60	$	283	$	414	$	595
Selling, general and administrative expenses	364		1,319		2,695		2,433
Total expense before income taxes	424		1,602		3,109		3,028
Income tax benefit	(21)		(150)		(233)		(286)
Total expense after income taxes	$	403	$	1,452	$	2,876	$	2,742

Performance Share Units

Weighted average performance share unit fair values and assumptions for the period specified are disclosed below. The performance share units are market condition awards and have been assessed at fair value on the date of grant using a Monte Carlo simulation model.

	Nine Months Ended September 30,
	2021	2020
Weighted average fair value of grants	$247.49	$224.14
Dividend yield	—%	—%
Volatility	28.6%	19.5%
Risk-free interest rate	0.33%	1.30%
Expected life (in years)	2.93	2.94

A summary of the Company’s performance share unit activity as of September 30, 2021 and changes during the nine months ended September 30, 2021 are presented in the following table:

Performance Share Units	Shares	Weighted-Average Grant Date Fair Value
Unvested at January 1, 2021	58,695	$	218.16
Granted	29,020	247.49
Vested	—	—
Forfeited	(5,850)	212.44
Unvested at September 30, 2021	81,865	$	227.90

On December 31, 2020, 24,305 performance share units vested. Based on the Company’s relative total shareholder return rank during the three year period ended December 31, 2020, the Company achieved a 201% payout factor and issued 48,867 common shares in February 2021 for awards that vested in 2020.

Total compensation cost for performance share units is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of goods sold	$	—	$	—	$	—	$	—
Selling, general and administrative expenses	1,642		2,572		4,587		7,225
Total expense before income taxes	1,642		2,572		4,587		7,225
Income tax benefit	(84)		(49)		(195)		(157)
Total expense after income taxes	$	1,558	$	2,523	$	4,392	$	7,068

The Company’s policy is to recognize compensation cost on a straight-line basis, assuming forfeitures, over the requisite service period for the entire award. Classification of stock compensation cost within the Condensed Consolidated Statements of Operations is consistent with classification of cash compensation for the same employees.

As of September 30, 2021, there was $11.5 million of total unrecognized compensation cost related to stock options that is expected to be recognized over a weighted-average period of 1.3 years, $7.8 million of total unrecognized compensation cost related to restricted stock that is expected to be recognized over a weighted-average period of 1.1 years, $4.3 million of total unrecognized compensation cost related to cash-settled restricted shares that is expected to be recognized over a weighted-average period of 1.0 years and $6.1 million of total unrecognized compensation cost related to performance share units that is expected to be recognized over a weighted-average period of 0.9 years.

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Retirement Benefits

9 Months Ended

Sep. 30, 2021

Retirement Benefits [Abstract]

Retirement Benefits

Retirement Benefits

The Company sponsors several qualified and nonqualified defined benefit and defined contribution pension plans and other postretirement plans for its employees. The following tables provide the components of net periodic benefit cost for its major defined benefit plans and its other postretirement plans.

	Pension Benefits
	Three Months Ended September 30,
	2021				2020
	U.S.		Non-U.S.		U.S.		Non-U.S.
Service cost	$	38	$	508	$	34	$	539
Interest cost	43		183		312		263
Expected return on plan assets	(39)		(253)		(927)		(291)
Settlement loss recognized	—		—		326		—
Net amortization	74		548		643		427
Net periodic cost	$	116	$	986	$	388	$	938

	Pension Benefits
	Nine Months Ended September 30,
	2021				2020
	U.S.		Non-U.S.		U.S.		Non-U.S.
Service cost	$	113	$	1,523	$	103	$	1,620
Interest cost	209		549		963		789
Expected return on plan assets	(815)		(758)		(2,804)		(873)
Settlement loss recognized	10,496		—		702		—
Net amortization	299		1,645		852		1,279
Net periodic (benefit) cost	$	10,302	$	2,959	$	(184)	$	2,815

	Other Postretirement Benefits
	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Service cost	$	179	$	154	$	535	$	463
Interest cost	102		156		307		469
Net amortization	(169)		(135)		(508)		(407)
Net periodic cost	$	112	$	175	$	334	$	525

The Company expects to contribute approximately $3.4 million to its defined benefit plans and $1.0 million to its other postretirement benefit plans in 2021. During the first nine months of 2021, the Company contributed a total of $3.3 million to fund these plans.

Effective September 30, 2019, the IDEX Corporation Retirement Plan (“Plan”), a U.S. defined benefit plan, was amended to freeze the accrual of retirement benefits for all participants. This action impacted fewer than 60 participants, as the Plan had been closed to new entrants as of December 31, 2004 and frozen as of December 31, 2005 for all but certain older, longer service participants. Subsequent to the freeze, termination of the Plan was approved in November 2019. Participants were notified in February 2020 and the Plan was terminated in May 2020. During the nine months ended September 30, 2021, the Company settled its remaining obligations under the U.S. pension plan through a combination of lump-sum payments to eligible participants who elected them, and through the purchase of annuities from Legal and General, an A rated third-party insurer. The Company recognized a net loss of $9.7 million, which was recorded within Other expense (income) - net. The net loss consisted of $10.7 million related to previously deferred pension related costs, partially offset by $1.0 million related to an increase in plan assets remaining after the settlement. As of September 30, 2021, the Plan had surplus plan assets of

approximately $10.9 million, consisting of investments in equities of $1.1 million and fixed income of $9.8 million. These plan assets are included in Other current assets on the Company’s Condensed Consolidated Balance Sheets and will be used to fund the Company’s other retirement benefit plans over the next twelve months.

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Legal Proceedings

9 Months Ended

Sep. 30, 2021

Commitments and Contingencies Disclosure [Abstract]

Legal Proceedings

Legal Proceedings

The Company and certain of its subsidiaries are involved in pending and threatened legal, regulatory and other proceedings arising in the ordinary course of business. These proceedings may pertain to matters such as product liability or contract disputes, and may also involve governmental inquiries, inspections, audits or investigations relating to issues such as tax matters, intellectual property, environmental, health and safety issues, governmental regulations, employment and other matters. Although the results of such legal proceedings cannot be predicted with certainty, the Company believes that the ultimate disposition of these matters will not have a material adverse effect, individually or in the aggregate, on the Company’s business, financial condition, results of operations or cash flows.

In evaluating whether to accrue for a contingency, the Company considers the facts and circumstances asserted, historical experience, the likelihood of prevailing and the severity of any potential loss. In the second quarter of 2021, the Company recorded a contingent reserve of $3.9 million associated with a Corporate transaction indemnity for a prior divestiture. During the three months ended September 30, 2021, the Company reached and paid a final settlement of $3.5 million.

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Income Taxes

9 Months Ended

Sep. 30, 2021

Income Tax Disclosure [Abstract]

Income Taxes

Income TaxesThe Company’s provision for income taxes is based upon estimated annual tax rates for the year applied to federal, state and foreign income. The provision for income taxes increased to $35.3 million for the three months ended September 30, 2021 compared to $17.4 million during the same period in 2020. The effective tax rate increased to 23.4% for the three months ended September 30, 2021 compared to 14.4% during the same period in 2020 primarily due to the impact of the finalization of the Global Intangible Low-Tax Income (“GILTI”) regulations enacted in the third quarter of 2020 as well as a decrease in the excess tax benefit related to share-based compensation in the current period.

The provision for income taxes increased to $96.0 million for the nine months ended September 30, 2021 from $63.8 million during the same period in 2020. The effective tax rate increased to 22.5% for the nine months ended September 30, 2021 compared to 18.7% during the same period in 2020 primarily due to the impact of the finalization of the GILTI regulations enacted in the third quarter of 2020 as well as a decrease in the excess tax benefit related to share-based compensation in the current period.

The Company and its subsidiaries file income tax returns in the U.S. federal jurisdiction as well as various state and foreign jurisdictions. Due to the potential for resolution of federal, state and foreign examinations and the expiration of various statutes of limitation, it is reasonably possible that the Company’s gross unrecognized tax benefits balance may change within the next twelve months by a range of zero to $0.3 million.

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Basis of Presentation and Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Basis of Presentation

The Condensed Consolidated Financial Statements of IDEX Corporation (“IDEX” or the “Company”) have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) applicable to interim financial information and the instructions to Form 10-Q under the Securities Exchange Act of 1934, as amended. The statements are unaudited but include all adjustments, consisting only of recurring items, except as noted, that the Company considers necessary for a fair presentation of the information set forth herein. The results of operations for the three and nine months ended September 30, 2021 are not necessarily indicative of the results to be expected for the entire year.

Recently Adopted Accounting Standards

Recently Adopted Accounting Standards

In December 2019, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2019-12, Simplifying the Accounting for Income Taxes, which eliminates the need to analyze whether the following apply in a given period (1) exception to the incremental approach for intraperiod tax allocation, (2) exceptions to accounting for basis differences when there are ownership changes in foreign investments and (3) exceptions in interim period income tax accounting for year-to-date losses that exceed anticipated losses. This ASU is also designed to improve the application of income tax-related guidance and simplify U.S. GAAP for (1) franchise taxes that are partially based on income, (2) transactions with a government that result in a step-up in the tax basis of goodwill, (3) separate financial statements of legal entities that are not subject to tax and (4) enacted changes in tax laws in interim periods. The Company adopted this standard on January 1, 2021. The adoption of this standard did not have a material impact on the Company’s Condensed Consolidated Financial Statements.

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Acquisitions and Divestitures (Tables)

9 Months Ended

Sep. 30, 2021

Business Combinations and Dispositions [Abstract]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The preliminary allocation of the purchase price to the assets acquired and liabilities assumed, based on their estimated fair values at the acquisition date, is as follows:

(In thousands)	Total
Current assets, net of cash acquired	$	18,419
Property, plant and equipment	4,034
Goodwill	59,481
Intangible assets	46,000
Other noncurrent assets	123
Total assets acquired	128,057
Current liabilities	(7,100)
Deferred income taxes	(14,537)
Other noncurrent liabilities	(84)
Net assets acquired	$	106,336

The preliminary allocation of the purchase price to the assets acquired and liabilities assumed, based on their estimated fair values at the acquisition date, is as follows:

(In thousands)	Total
Current assets, net of cash acquired	$	44,152
Property, plant and equipment	4,803
Goodwill	271,268
Intangible assets	201,300
Other noncurrent assets	10,136
Total assets acquired	531,659
Current liabilities	(10,065)
Deferred income taxes	(42,141)
Other noncurrent liabilities	(8,436)
Net assets acquired(1)	$	471,017

(1) Subsequent to June 30, 2021, the Company finalized its working capital adjustment for the acquisition of the Airtech business, resulting in a $1.7 million adjustment to the purchase price. This amount was accrued as of September 30, 2021 and was paid in October 2021.

The final allocation of the purchase price to the assets acquired and liabilities assumed, based on their estimated fair values at the acquisition date, is as follows:

(In thousands)	Total
Current assets, net of cash acquired	$	32,858
Property, plant and equipment	4,166
Goodwill	60,026
Intangible assets	53,000
Other noncurrent assets	1,344
Total assets acquired	151,394
Current liabilities	(32,291)
Deferred income taxes	2,459
Other noncurrent liabilities	(329)
Net assets acquired (1)	$	121,233

(1) Subsequent to September 30, 2020, the Company obtained additional information about the assets and liabilities acquired that required a $3.1 million adjustment to the purchase price of the Flow MD business.

Schedule of Finite-Lived Intangible Assets Acquired

The acquired intangible assets and weighted average amortization periods are as follows:

(In thousands, except weighted average life)	Total		Weighted Average Life
Trade names	$	9,000	15
Customer relationships	30,000		13
Unpatented technology	7,000		11
Acquired intangible assets	$	46,000

The acquired intangible assets and weighted average amortization periods are as follows:

(In thousands, except weighted average life)	Total		Weighted Average Life
Trade names	$	15,400	15
Customer relationships	161,900		13
Unpatented technology	24,000		11
Acquired intangible assets	$	201,300

The acquired intangible assets and weighted average amortization periods are as follows:

(In thousands, except weighted average life)	Total		Weighted Average Life
Trade names	$	6,000	15
Customer relationships	31,500		10
Unpatented technology	15,500		20
Acquired intangible assets	$	53,000

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Business Segments (Tables)

9 Months Ended

Sep. 30, 2021

Segment Reporting [Abstract]

Schedule of Information on Company's Business Segments

Information on the Company’s business segments is presented below based on the nature of the products and services offered. The Company evaluates its performance based on several factors, of which sales, operating income and operating margin are the primary financial measures. Intersegment sales are accounted for at fair value as if the sales were to third parties.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Net sales
Fluid & Metering Technologies
External customers	$	251,297	$	220,553	$	745,202	$	666,187
Intersegment sales	—		194		737		533
Total segment sales	251,297		220,747		745,939		666,720
Health & Science Technologies
External customers	301,637		219,671		825,440		658,361
Intersegment sales	650		707		2,228		1,744
Total segment sales	302,287		220,378		827,668		660,105
Fire & Safety/Diversified Products
External customers	159,085		140,889		479,360		412,276
Intersegment sales	21		7		42		20
Total segment sales	159,106		140,896		479,402		412,296
Intersegment elimination	(671)		(908)		(3,007)		(2,297)
Total net sales	$	712,019	$	581,113	$	2,050,002	$	1,736,824
Operating income (loss) (1)
Fluid & Metering Technologies	$	69,020	$	58,402	$	195,384	$	176,111
Health & Science Technologies	70,374		49,912		212,987		150,562
Fire & Safety/Diversified Products	39,126		37,103		126,483		103,977
Corporate office and other	(17,335)		(14,204)		(59,866)		(48,902)
Total operating income	161,185		131,213		474,988		381,748
Interest expense	9,498		10,642		31,479		33,958
Other expense (income) - net	630		(704)		16,957		7,321
Income before income taxes	$	151,057	$	121,275	$	426,552	$	340,469

	September 30, 2021		December 31, 2020
Assets
Fluid & Metering Technologies	$	1,563,000	$	1,387,067
Health & Science Technologies	2,128,510		1,576,093
Fire & Safety/Diversified Products	826,384		891,864
Corporate office and other	336,685		559,374
Total assets	$	4,854,579	$	4,414,398

(1) Segment operating income (loss) excludes net unallocated corporate operating expenses.

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Revenue (Tables)

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

Revenue by reporting unit for the three and nine months ended September 30, 2021 and 2020 was as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Energy	$	40,430	$	56,155	$	125,860	$	150,483
Valves(1)	29,020		29,533		91,565		86,596
Water(1)	64,865		57,190		189,013		165,114
Pumps	90,026		59,585		261,457		201,970
Agriculture	26,956		18,284		78,044		62,557
Intersegment elimination	—		(194)		(737)		(533)
Fluid & Metering Technologies	251,297		220,553		745,202		666,187
Scientific Fluidics & Optics	131,198		100,569		375,990		313,275
Sealing Solutions	67,696		50,726		202,432		151,257
Performance Pneumatic Technologies(2)	62,181		32,173		125,355		87,558
Micropump	8,519		7,273		24,794		22,260
Material Processing Technologies	32,693		29,637		99,097		85,755
Intersegment elimination	(650)		(707)		(2,228)		(1,744)
Health & Science Technologies	301,637		219,671		825,440		658,361
Fire & Safety	92,305		94,065		287,107		280,428
BAND-IT	25,166		22,692		74,843		64,228
Dispensing	41,635		24,139		117,452		67,640
Intersegment elimination	(21)		(7)		(42)		(20)
Fire & Safety/Diversified Products	159,085		140,889		479,360		412,276
Total net sales	$	712,019	$	581,113	$	2,050,002	$	1,736,824

(1) During the third quarter of 2021, the Company merged a business in the Water reporting unit with a business in the Valves reporting unit. Revenue for each reporting unit has been restated to reflect this change for each of the three and nine months ended September 30, 2021 and 2020.

(2) This reporting unit was previously named Gast and was renamed Performance Pneumatic Technologies upon the acquisition of Airtech. Prior to that acquisition date, all amounts reflect only the Gast business.

Schedule of External Net Sales Disaggregated by Geography

Revenue by geographical region for the three and nine months ended September 30, 2021 and 2020 was as follows:

	Three Months Ended September 30, 2021
	FMT		HST		FSDP		IDEX
U.S.	$	137,046	$	148,195	$	79,911	$	365,152
North America, excluding U.S.	13,685		5,193		7,178		26,056
Europe	48,802		86,509		39,967		175,278
Asia	36,861		59,990		24,463		121,314
Other (1)	14,903		2,400		7,587		24,890
Intersegment elimination	—		(650)		(21)		(671)
Total net sales	$	251,297	$	301,637	$	159,085	$	712,019

	Three Months Ended September 30, 2020
	FMT		HST		FSDP		IDEX
U.S.	$	122,352	$	98,943	$	65,369	$	286,664
North America, excluding U.S.	13,706		5,417		5,680		24,803
Europe	43,855		59,509		37,437		140,801
Asia	26,010		52,197		25,378		103,585
Other (1)	14,824		4,312		7,032		26,168
Intersegment elimination	(194)		(707)		(7)		(908)
Total net sales	$	220,553	$	219,671	$	140,889	$	581,113

	Nine Months Ended September 30, 2021
	FMT		HST		FSDP		IDEX
U.S.	$	399,123	$	355,759	$	227,259	$	982,141
North America, excluding U.S.	42,645		16,687		22,551		81,883
Europe	150,098		258,838		127,948		536,884
Asia	108,505		178,971		78,153		365,629
Other (1)	45,568		17,413		23,491		86,472
Intersegment elimination	(737)		(2,228)		(42)		(3,007)
Total net sales	$	745,202	$	825,440	$	479,360	$	2,050,002

	Nine Months Ended September 30, 2020
	FMT		HST		FSDP		IDEX
U.S.	$	384,429	$	288,042	$	203,940	$	876,411
North America, excluding U.S.	38,741		15,911		16,980		71,632
Europe	127,906		182,596		108,683		419,185
Asia	77,144		161,342		63,500		301,986
Other (1)	38,500		12,214		19,193		69,907
Intersegment elimination	(533)		(1,744)		(20)		(2,297)
Total net sales	$	666,187	$	658,361	$	412,276	$	1,736,824

(1) Other includes: South America, Middle East, Australia and Africa.

Schedule of Contract with Customer, Asset and Liability

The composition of Customer receivables was as follows:

	September 30, 2021		December 31, 2020
Billed receivables	$	352,238	$	273,536
Unbilled receivables	14,956		14,752
Total customer receivables	$	367,194	$	288,288

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

The composition of Deferred revenue was as follows:

	September 30, 2021		December 31, 2020
Deferred revenue - current	$	45,055	$	28,374
Deferred revenue - noncurrent	31,025		30,354
Total deferred revenue	$	76,080	$	58,728

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Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Schedule of Basic Weighted Average Shares Reconciles to Diluted Weighted Average Shares

Basic weighted average shares outstanding reconciles to diluted weighted average shares outstanding as follows:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2021	2020	2021	2020
Basic weighted average common shares outstanding	76,010	75,352	75,957	75,423
Dilutive effect of stock options, restricted stock and performance share units	442	608	451	696
Diluted weighted average common shares outstanding	76,452	75,960	76,408	76,119

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Inventories (Tables)

9 Months Ended

Sep. 30, 2021

Inventory Disclosure [Abstract]

Components of Inventories

The components of inventories as of September 30, 2021 and December 31, 2020 were:

	September 30, 2021		December 31, 2020
Raw materials and component parts	$	212,427	$	173,248
Work in process	41,586		29,436
Finished goods	99,911		87,226
Total inventories	$	353,924	$	289,910

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Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the nine months ended September 30, 2021, by reportable business segment, were as follows:

	FMT		HST		FSDP		IDEX
Goodwill	$	670,442	$	1,012,448	$	413,315	$	2,096,205
Accumulated goodwill impairment losses	(20,721)		(149,820)		(30,090)		(200,631)
Balance at December 31, 2020	649,721		862,628		383,225		1,895,574
Foreign currency translation	(7,132)		(14,168)		(7,405)		(28,705)
Acquisitions	59,481		271,268		—		330,749
Disposition of businesses	—		(129)		—		(129)
Acquisition adjustments	(405)		—		—		(405)
Balance at September 30, 2021	$	701,665	$	1,119,599	$	375,820	$	2,197,084

Schedule of Gross Carrying Value and Accumulated Amortization For Each Major Class of Intangible Asset

The following table provides the gross carrying value and accumulated amortization for each major class of intangible asset at September 30, 2021 and December 31, 2020:

	At September 30, 2021							At December 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Net		Weighted Average Life	Gross Carrying Amount		Accumulated Amortization		Net
Amortized intangible assets:
Patents	$	3,152	$	(1,968)	$	1,184	10	$	3,030	$	(1,740)	$	1,290
Trade names	148,258		(76,161)		72,097		15	130,793		(72,685)		58,108
Customer relationships	495,680		(134,636)		361,044		13	318,350		(120,294)		198,056
Unpatented technology	145,175		(57,034)		88,141		13	122,287		(55,131)		67,156
Other	—		—		—		—	700		(647)		53
Total amortized intangible assets	792,265		(269,799)		522,466			575,160		(250,497)		324,663
Indefinite-lived intangible assets:
Banjo trade name	62,100		—		62,100			62,100		—		62,100
Akron Brass trade name	28,800		—		28,800			28,800		—		28,800
Total intangible assets	$	883,165	$	(269,799)	$	613,366		$	666,060	$	(250,497)	$	415,563

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Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2021

Payables and Accruals [Abstract]

Components of Accrued Expenses

The components of accrued expenses as of September 30, 2021 and December 31, 2020 were:

	September 30, 2021		December 31, 2020
Payroll and related items	$	83,828	$	75,238
Management incentive compensation	21,483		15,763
Income taxes payable	16,038		13,453
Insurance	11,739		11,115
Warranty	7,777		7,394
Deferred revenue	45,055		28,374
Lease liability	17,597		16,721
Restructuring	3,315		3,868
Liability for uncertain tax positions	305		—
Accrued interest	12,604		3,592
Other	32,351		33,310
Total accrued expenses	$	252,092	$	208,828

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Other Noncurrent Liabilities (Tables)

9 Months Ended

Sep. 30, 2021

Other Liabilities Disclosure [Abstract]

Schedule of Other Noncurrent Liabilities

The components of other noncurrent liabilities as of September 30, 2021 and December 31, 2020 were:

	September 30, 2021		December 31, 2020
Pension and retiree medical obligations	$	92,308	$	99,417
Transition tax payable	14,128		14,208
Liability for uncertain tax positions	773		1,071
Deferred revenue	31,025		30,354
Lease liability	96,927		94,250
Other	22,883		27,497
Total other noncurrent liabilities	$	258,044	$	266,797

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Borrowings (Tables)

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Schedule of Borrowings

Borrowings at September 30, 2021 and December 31, 2020 consisted of the following: 

	September 30, 2021		December 31, 2020
4.20% Senior Notes, due December 2021	$	—	$	350,000
3.20% Senior Notes, due June 2023	100,000		100,000
3.37% Senior Notes, due June 2025	100,000		100,000
3.00% Senior Notes, due May 2030	500,000		500,000
2.625% Senior Notes, due June 2031	500,000		—
Other borrowings	131		215
Total borrowings	1,200,131		1,050,215
Less current portion	35		88
Less deferred debt issuance costs	8,628		4,824
Less unaccreted debt discount	1,390		949
Total long-term borrowings	$	1,190,078	$	1,044,354

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Schedule of Company's Financial Assets and (Liabilities) at Fair Value on Recurring Basis

The following table summarizes the basis used to measure the Company’s financial assets (liabilities) at fair value on a recurring basis in the balance sheets at September 30, 2021 and December 31, 2020:

	Basis of Fair Value Measurements
	Balance at September 30, 2021		Level 1		Level 2		Level 3
Trading securities - mutual funds held in nonqualified SERP(1)	$	10,842	$	10,842	$	—	$	—
Trading securities - fixed income(2)	9,834		9,834		—		—
Trading securities - equities(2)	1,061		1,061		—		—

	Basis of Fair Value Measurements
	Balance at December 31, 2020		Level 1		Level 2		Level 3
Trading securities - mutual funds held in nonqualified SERP(1)	$	13,554	$	13,554	$	—	$	—

(1) The Supplemental Executive Retirement Plan (“SERP”) investment assets are offset by a SERP liability which represents the Company’s obligation to distribute SERP funds to participants.

(2) See Note 19 for further discussion of surplus plan assets following the termination of the IDEX Corporation Retirement Plan.

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Leases (Tables)

9 Months Ended

Sep. 30, 2021

Lessee Disclosure [Abstract]

Supplemental Balance Sheet Disclosures

Supplemental balance sheet information related to leases as of September 30, 2021 and December 31, 2020 was as follows:

	Balance Sheet Caption	September 30, 2021		December 31, 2020
Operating leases:
Building right-of-use assets - net	Other noncurrent assets	$	104,601	$	100,775
Equipment right-of-use assets - net	Other noncurrent assets	6,319		5,811
Total right-of-use assets - net		$	110,920	$	106,586
Operating leases:
Current lease liabilities	Accrued expenses	$	17,597	$	16,721
Noncurrent lease liabilities	Other noncurrent liabilities	96,927		94,250
Total lease liabilities		$	114,524	$	110,971

Schedule of Lease, Cost

The components of lease cost for the three and nine months ended September 30, 2021 and 2020 were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Operating lease cost (1)	$	9,258	$	7,349	$	23,754	$	19,663
Variable lease cost	730		426		1,903		1,380
Total lease expense	$	9,988	$	7,775	$	25,657	$	21,043

(1) Includes short-term leases, which are immaterial.

Schedule of Cash Flow, Supplemental Disclosures

Supplemental cash flow information related to leases for the nine months ended September 30, 2021 and 2020 was as follows:

	Nine Months Ended September 30,
	2021		2020
Cash paid for amounts included in the measurement of operating lease liabilities	$	23,134	$	19,198
Right-of-use assets obtained in exchange for new operating lease liabilities	13,853		36,707

Other supplemental information related to leases as of September 30, 2021 and December 31, 2020 was as follows:

Lease Term and Discount Rate	September 30, 2021		December 31, 2020
Weighted-average remaining lease term (years):
Operating leases - building and equipment	8.65		9.43
Operating leases - vehicles	2.25		2.01
Weighted-average discount rate:
Operating leases - building and equipment	3.27	%	3.51	%
Operating leases - vehicles	1.30	%	2.05	%

Schedule of Operating Lease, Liability, Maturity

Total lease liabilities at September 30, 2021 have scheduled maturities as follows:

Maturity of Lease Liabilities	Operating Leases
2021 (excluding the nine months ended September 30, 2021)	$	5,105
2022	19,884
2023	18,014
2024	15,130
2025	13,403
Thereafter	60,478
Total lease payments	132,014
Less: Imputed interest	(17,490)
Present value of lease liabilities	$	114,524

Total lease liabilities at December 31, 2020 had scheduled maturities as follows:

Maturity of Lease Liabilities	Operating Leases
2021	$	19,717
2022	17,014
2023	13,662
2024	11,681
2025	11,141
Thereafter	57,570
Total lease payments	130,785
Less: Imputed interest	(19,814)
Present value of lease liabilities	$	110,971

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Restructuring Expenses and Asset Impairments (Tables)

9 Months Ended

Sep. 30, 2021

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Costs

Pre-tax restructuring expenses and asset impairments by segment for the three and nine months ended September 30, 2021 and 2020 were as follows:

	Three Months Ended September 30, 2021
	Severance Costs		Exit Costs		Asset Impairment		Total
Fluid & Metering Technologies	$	1,345	$	—	$	589	$	1,934
Health & Science Technologies	626		—		—		626
Fire & Safety/Diversified Products	(55)		—		—		(55)
Corporate/Other	699		—		—		699
Total restructuring costs	$	2,615	$	—	$	589	$	3,204

	Three Months Ended September 30, 2020
	Severance Costs		Exit Costs		Asset Impairment		Total
Fluid & Metering Technologies	$	500	$	—	$	85	$	585
Health & Science Technologies	978		—		—		978
Fire & Safety/Diversified Products	1,249		—		—		1,249
Corporate/Other	105		—		—		105
Total restructuring costs	$	2,832	$	—	$	85	$	2,917

	Nine Months Ended September 30, 2021
	Severance Costs		Exit Costs		Asset Impairment		Total
Fluid & Metering Technologies	$	3,972	$	—	$	815	$	4,787
Health & Science Technologies	1,693		—		—		1,693
Fire & Safety/Diversified Products	161		—		—		161
Corporate/Other	1,927		—		—		1,927
Total restructuring costs	$	7,753	$	—	$	815	$	8,568

	Nine Months Ended September 30, 2020
	Severance Costs		Exit Costs		Asset Impairment		Total
Fluid & Metering Technologies	$	2,348	$	—	$	85	$	2,433
Health & Science Technologies	2,162		—		—		2,162
Fire & Safety/Diversified Products	1,890		—		—		1,890
Corporate/Other	273		—		—		273
Total restructuring costs	$	6,673	$	—	$	85	$	6,758

Schedule of Restructuring Reserve

The changes in the restructuring accrual for the nine months ended September 30, 2021 are as follows:

	Restructuring
Balance at January 1, 2021	$	3,868
Restructuring expenses (1)	7,753
Payments, utilization and other	(8,306)
Balance at September 30, 2021	$	3,315

(1) Excludes $0.8 million of asset impairments related to property, plant and equipment.

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Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2021

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The components of Other comprehensive income (loss) are as follows:

	Three Months Ended September 30, 2021						Three Months Ended September 30, 2020
	Pre-tax		Tax		Net of tax		Pre-tax		Tax		Net of tax
Cumulative translation adjustment	$	(28,703)	$	—	$	(28,703)	$	47,343	$	—	$	47,343
Pension and other postretirement adjustments	1,175		(335)		840		462		(171)		291
Reclassification adjustments for derivatives	—		—		—		869		(197)		672
Total other comprehensive income (loss)	$	(27,528)	$	(335)	$	(27,863)	$	48,674	$	(368)	$	48,306

	Nine Months Ended September 30, 2021						Nine Months Ended September 30, 2020
	Pre-tax		Tax		Net of tax		Pre-tax		Tax		Net of tax
Cumulative translation adjustment	$	(56,887)	$	—	$	(56,887)	$	40,158	$	—	$	40,158
Pension and other postretirement adjustments	14,238		(3,443)		10,795		2,767		(811)		1,956
Reclassification adjustments for derivatives	3,275		(744)		2,531		5,153		(1,171)		3,982
Total other comprehensive income (loss)	$	(39,374)	$	(4,187)	$	(43,561)	$	48,078	$	(1,982)	$	46,096

Reclassification out of Accumulated Other Comprehensive Income

The amounts reclassified from Accumulated other comprehensive loss to net income during the three and nine months ended September 30, 2021 and 2020 are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020		Income Statement Caption
Pension and other postretirement plans:
Amortization of net (gain) loss	$	1,175	$	462	$	14,238	$	2,767	Other expense (income) - net
Total before tax	1,175		462		14,238		2,767
Provision for income taxes	(335)		(171)		(3,443)		(811)
Total net of tax	$	840	$	291	$	10,795	$	1,956
Derivatives:
Reclassification adjustments	$	—	$	869	$	3,275	$	5,153	Interest expense, Other expense (income) - net
Total before tax	—		869		3,275		5,153
Provision for income taxes	—		(197)		(744)		(1,171)
Total net of tax	$	—	$	672	$	2,531	$	3,982

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Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement [Abstract]

Schedule of Weighted Average Option Fair Values and Assumptions

Weighted average option fair values and assumptions for the periods specified are disclosed below. The fair value of each option grant was estimated on the date of the grant using the Binomial lattice option pricing model (for options granted before March 2021) or the Black Scholes valuation model (for options granted after February 2021).

	Three Months Ended September 30,		Nine Months Ended September 30,
	2021	2020	2021	2020
Weighted average fair value of grants	$45.44	$31.60	$38.86	$34.22
Dividend yield	0.96%	1.18%	1.01%	1.15%
Volatility	24.60%	23.71%	23.77%	22.04%
Risk-free interest rate	0.71% - 0.82%	0.14% - 0.70%	0.12% - 1.54%	1.40% - 1.66%
Expected life (in years)	4.90	5.81	5.70	5.80

Schedule of Compensation Cost for Stock Options

Total compensation cost for stock options is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of goods sold	$	100	$	107	$	436	$	389
Selling, general and administrative expenses	1,789		2,177		6,269		7,449
Total expense before income taxes	1,889		2,284		6,705		7,838
Income tax benefit	(180)		(216)		(628)		(801)
Total expense after income taxes	$	1,709	$	2,068	$	6,077	$	7,037

Schedule of Stock Option Activity

A summary of the Company’s stock option activity as of September 30, 2021 and changes during the nine months ended September 30, 2021 are presented in the following table:

Stock Options	Shares	Weighted Average Price		Weighted-Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at January 1, 2021	963,726	$	125.70	6.94	$	70,829,529
Granted	278,605	198.21
Exercised	(131,685)	111.07
Forfeited	(37,979)	165.68
Outstanding at September 30, 2021	1,072,667	$	144.92	7.07	$	66,728,398
Vested and expected to vest as of September 30, 2021	1,021,851	$	142.97	6.98	$	65,520,705
Exercisable at September 30, 2021	495,853	$	106.25	5.28	$	49,933,371

Schedule of Restricted Stock Activity

A summary of the Company’s restricted stock activity as of September 30, 2021 and changes during the nine months ended September 30, 2021 are presented as follows:

Restricted Stock	Shares	Weighted-Average Grant Date Fair Value
Unvested at January 1, 2021	111,300	$	147.13
Granted	37,985	205.64
Vested	(28,874)	137.25
Forfeited	(6,735)	169.41
Unvested at September 30, 2021	113,676	$	168.24

Schedule of Compensation Cost for Restricted Stock

Total compensation cost for restricted stock awards is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of goods sold	$	85	$	69	$	318	$	255
Selling, general and administrative expenses	1,290		963		3,856		2,809
Total expense before income taxes	1,375		1,032		4,174		3,064
Income tax benefit	(264)		(217)		(846)		(643)
Total expense after income taxes	$	1,111	$	815	$	3,328	$	2,421

Schedule of Unvested Cash-settled Restricted Stock Activity

Cash-settled restricted stock awards are recorded at fair value on a quarterly basis using the market price of the Company’s stock on the last day of the quarter. A summary of the Company’s unvested cash-settled restricted stock activity as of September 30, 2021 and changes during the nine months ended September 30, 2021 are presented in the following table:

Cash-Settled Restricted Stock	Shares	Weighted-Average Fair Value
Unvested at January 1, 2021	63,940	$	199.20
Granted	22,385	198.85
Vested	(22,921)	199.51
Forfeited	(3,930)	206.95
Unvested at September 30, 2021	59,474	$	206.95

Schedule of Compensation Cost for Unvested Cash-settled Restricted Stock

Total compensation cost for cash-settled restricted stock is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of goods sold	$	60	$	283	$	414	$	595
Selling, general and administrative expenses	364		1,319		2,695		2,433
Total expense before income taxes	424		1,602		3,109		3,028
Income tax benefit	(21)		(150)		(233)		(286)
Total expense after income taxes	$	403	$	1,452	$	2,876	$	2,742

Schedule of Weighted Average Performance Share Units Fair Values and Assumptions

Weighted average performance share unit fair values and assumptions for the period specified are disclosed below. The performance share units are market condition awards and have been assessed at fair value on the date of grant using a Monte Carlo simulation model.

	Nine Months Ended September 30,
	2021	2020
Weighted average fair value of grants	$247.49	$224.14
Dividend yield	—%	—%
Volatility	28.6%	19.5%
Risk-free interest rate	0.33%	1.30%
Expected life (in years)	2.93	2.94

Schedule of Performance Shares Units Activity

A summary of the Company’s performance share unit activity as of September 30, 2021 and changes during the nine months ended September 30, 2021 are presented in the following table:

Performance Share Units	Shares	Weighted-Average Grant Date Fair Value
Unvested at January 1, 2021	58,695	$	218.16
Granted	29,020	247.49
Vested	—	—
Forfeited	(5,850)	212.44
Unvested at September 30, 2021	81,865	$	227.90

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

Total compensation cost for performance share units is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of goods sold	$	—	$	—	$	—	$	—
Selling, general and administrative expenses	1,642		2,572		4,587		7,225
Total expense before income taxes	1,642		2,572		4,587		7,225
Income tax benefit	(84)		(49)		(195)		(157)
Total expense after income taxes	$	1,558	$	2,523	$	4,392	$	7,068

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Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2021

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost for Defined Benefit Plans and Other Postretirement Plans

The following tables provide the components of net periodic benefit cost for its major defined benefit plans and its other postretirement plans.

	Pension Benefits
	Three Months Ended September 30,
	2021				2020
	U.S.		Non-U.S.		U.S.		Non-U.S.
Service cost	$	38	$	508	$	34	$	539
Interest cost	43		183		312		263
Expected return on plan assets	(39)		(253)		(927)		(291)
Settlement loss recognized	—		—		326		—
Net amortization	74		548		643		427
Net periodic cost	$	116	$	986	$	388	$	938

	Pension Benefits
	Nine Months Ended September 30,
	2021				2020
	U.S.		Non-U.S.		U.S.		Non-U.S.
Service cost	$	113	$	1,523	$	103	$	1,620
Interest cost	209		549		963		789
Expected return on plan assets	(815)		(758)		(2,804)		(873)
Settlement loss recognized	10,496		—		702		—
Net amortization	299		1,645		852		1,279
Net periodic (benefit) cost	$	10,302	$	2,959	$	(184)	$	2,815

	Other Postretirement Benefits
	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Service cost	$	179	$	154	$	535	$	463
Interest cost	102		156		307		469
Net amortization	(169)		(135)		(508)		(407)
Net periodic cost	$	112	$	175	$	334	$	525

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Acquisitions and Divestitures - Narrative (Details) - USD ($) $ in Thousands					3 Months Ended		9 Months Ended
	Jun. 14, 2021	Mar. 10, 2021	Nov. 23, 2020	Feb. 28, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Business Acquisition [Line Items]
Goodwill					$ 2,197,084		$ 2,197,084		$ 1,895,574
ABEL
Business Acquisition [Line Items]
Aggregate purchase price, cash paid		$ 106,300
Goodwill		59,481
Intangible assets		$ 46,000
Airtech
Business Acquisition [Line Items]
Aggregate purchase price, cash paid	$ 471,000
Goodwill	271,268
Intangible assets	$ 201,300
Flow MD
Business Acquisition [Line Items]
Aggregate purchase price, cash paid				$ 121,200
Goodwill				60,026
Goodwill tax deductible amount				60,000
Intangible assets				$ 53,000
Qualtek Manufacturing, Inc.
Business Acquisition [Line Items]
Aggregate purchase price, cash paid			$ 1,900
Goodwill			1,100
Goodwill tax deductible amount			$ 1,100
Selling, general and administrative expenses
Business Acquisition [Line Items]
Acquisition-related transaction costs					$ 700	$ 1,300	4,400	$ 3,100
Cost of goods sold | ABEL
Business Acquisition [Line Items]
Inventory adjustment							2,500
Cost of goods sold | Airtech
Business Acquisition [Line Items]
Inventory adjustment							$ 9,100
Cost of goods sold | Flow MD
Business Acquisition [Line Items]
Inventory adjustment								$ 4,100

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Acquisitions and Divestitures - Allocation of Acquisition Costs to Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Dec. 31, 2020	Jun. 14, 2021	Mar. 10, 2021	Feb. 28, 2020
Business Acquisition [Line Items]
Goodwill	$ 2,197,084	$ 1,895,574
ABEL
Business Acquisition [Line Items]
Current assets, net of cash acquired				$ 18,419
Property, plant and equipment				4,034
Goodwill				59,481
Intangible assets				46,000
Other noncurrent assets				123
Total assets acquired				128,057
Current liabilities				(7,100)
Deferred income taxes				(14,537)
Other noncurrent liabilities				(84)
Net assets acquired				$ 106,336
Airtech
Business Acquisition [Line Items]
Current assets, net of cash acquired			$ 44,152
Property, plant and equipment			4,803
Goodwill			271,268
Intangible assets			201,300
Other noncurrent assets			10,136
Total assets acquired			531,659
Current liabilities			(10,065)
Deferred income taxes			(42,141)
Other noncurrent liabilities			(8,436)
Net assets acquired			$ 471,017
Adjustment to purchase price	$ 1,700
Flow MD
Business Acquisition [Line Items]
Current assets, net of cash acquired					$ 32,858
Property, plant and equipment					4,166
Goodwill					60,026
Intangible assets					53,000
Other noncurrent assets					1,344
Total assets acquired					151,394
Current liabilities					(32,291)
Deferred income taxes					2,459
Other noncurrent liabilities					(329)
Net assets acquired					$ 121,233
Adjustment to purchase price		$ 3,100

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Acquisitions and Divestitures - Acquired Intangible Assets and Weighted Average Amortization Periods (Details) - USD ($) $ in Thousands	Jun. 14, 2021	Mar. 10, 2021	Feb. 28, 2020
ABEL
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total		$ 46,000
ABEL | Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total		$ 9,000
Acquired intangible assets, Weighted Average Life		15 years
ABEL | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total		$ 30,000
Acquired intangible assets, Weighted Average Life		13 years
ABEL | Unpatented technology
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total		$ 7,000
Acquired intangible assets, Weighted Average Life		11 years
Airtech
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 201,300
Airtech | Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 15,400
Acquired intangible assets, Weighted Average Life	15 years
Airtech | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 161,900
Acquired intangible assets, Weighted Average Life	13 years
Airtech | Unpatented technology
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total	$ 24,000
Acquired intangible assets, Weighted Average Life	11 years
Flow MD
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total			$ 53,000
Flow MD | Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total			$ 6,000
Acquired intangible assets, Weighted Average Life			15 years
Flow MD | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total			$ 31,500
Acquired intangible assets, Weighted Average Life			10 years
Flow MD | Unpatented technology
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, Total			$ 15,500
Acquired intangible assets, Weighted Average Life			20 years

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Acquisitions and Divestitures - Divestitures (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Mar. 12, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income tax expense		$ 35,343	$ 17,427	$ 95,987	$ 63,759
Disposed of by Sale | CiDRA Precision Services
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of businesses, net of cash sold	$ 1,000
Gain on sale	500
Income tax expense	100
Revenue	$ 900

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Collaborative Investments (Details) - USD ($)		3 Months Ended	9 Months Ended
	Jun. 29, 2021	Dec. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Net Investment Income [Line Items]
Contribution to joint venture		$ 147,000	$ 479,570
Payments to acquire notes receivable			4,200,000	$ 0
Other Noncurrent Assets
Net Investment Income [Line Items]
Accrued interest	$ 100,000
Convertible Promissory Note
Net Investment Income [Line Items]
Payments to acquire notes receivable	$ 4,200,000
Note receivable, annual interest rate	5.00%
Allowance for credit loss			$ 0
Elastomer Seals Joint Venture
Net Investment Income [Line Items]
Ownership percentage, parent		55.00%
Ownership percentage, noncontrolling owners		45.00%
Elastomer Seals Joint Venture Partner
Net Investment Income [Line Items]
Contribution to joint venture		$ 120,000

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Business Segments - Narrative (Details)	9 Months Ended
	Sep. 30, 2021 segment
Segment Reporting [Abstract]
Number of reportable business segments	3

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Business Segments - Schedule of Information on Company's Business Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Net sales	$ 712,019	$ 581,113	$ 2,050,002	$ 1,736,824
Operating income (loss)	161,185	131,213	474,988	381,748
Interest expense	9,498	10,642	31,479	33,958
Other expense (income) - net	630	(704)	16,957	7,321
Income before income taxes	151,057	121,275	426,552	340,469
Total assets	4,854,579		4,854,579		$ 4,414,398
Intersegment elimination
Segment Reporting Information [Line Items]
Net sales	(671)	(908)	(3,007)	(2,297)
Corporate office and other
Segment Reporting Information [Line Items]
Operating income (loss)	(17,335)	(14,204)	(59,866)	(48,902)
Total assets	336,685		336,685		559,374
Fluid & Metering Technologies
Segment Reporting Information [Line Items]
Net sales	251,297	220,553	745,202	666,187
Operating income (loss)	69,020	58,402	195,384	176,111
Fluid & Metering Technologies | Intersegment elimination
Segment Reporting Information [Line Items]
Net sales	0	194	737	533
Fluid & Metering Technologies | Operating segments
Segment Reporting Information [Line Items]
Net sales	251,297	220,747	745,939	666,720
Total assets	1,563,000		1,563,000		1,387,067
Health & Science Technologies
Segment Reporting Information [Line Items]
Net sales	301,637	219,671	825,440	658,361
Operating income (loss)	70,374	49,912	212,987	150,562
Health & Science Technologies | Intersegment elimination
Segment Reporting Information [Line Items]
Net sales	650	707	2,228	1,744
Health & Science Technologies | Operating segments
Segment Reporting Information [Line Items]
Net sales	302,287	220,378	827,668	660,105
Total assets	2,128,510		2,128,510		1,576,093
Fire & Safety/Diversified Products
Segment Reporting Information [Line Items]
Net sales	159,085	140,889	479,360	412,276
Operating income (loss)	39,126	37,103	126,483	103,977
Fire & Safety/Diversified Products | Intersegment elimination
Segment Reporting Information [Line Items]
Net sales	21	7	42	20
Fire & Safety/Diversified Products | Operating segments
Segment Reporting Information [Line Items]
Net sales	159,106	$ 140,896	479,402	$ 412,296
Total assets	$ 826,384		$ 826,384		$ 891,864

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Revenue - Revenue by Reporting Unit (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Total net sales	$ 712,019	$ 581,113	$ 2,050,002	$ 1,736,824
Intersegment elimination
Disaggregation of Revenue [Line Items]
Total net sales	(671)	(908)	(3,007)	(2,297)
Fluid & Metering Technologies
Disaggregation of Revenue [Line Items]
Total net sales	251,297	220,553	745,202	666,187
Fluid & Metering Technologies | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	251,297	220,553	745,202	666,187
Fluid & Metering Technologies | Intersegment elimination
Disaggregation of Revenue [Line Items]
Total net sales	0	(194)	(737)	(533)
Fluid & Metering Technologies | Energy | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	40,430	56,155	125,860	150,483
Fluid & Metering Technologies | Valves | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	29,020	29,533	91,565	86,596
Fluid & Metering Technologies | Water1 | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	64,865	57,190	189,013	165,114
Fluid & Metering Technologies | Pumps | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	90,026	59,585	261,457	201,970
Fluid & Metering Technologies | Agriculture | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	26,956	18,284	78,044	62,557
Health & Science Technologies
Disaggregation of Revenue [Line Items]
Total net sales	301,637	219,671	825,440	658,361
Health & Science Technologies | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	301,637	219,671	825,440	658,361
Health & Science Technologies | Intersegment elimination
Disaggregation of Revenue [Line Items]
Total net sales	(650)	(707)	(2,228)	(1,744)
Health & Science Technologies | Scientific Fluidics & Optics | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	131,198	100,569	375,990	313,275
Health & Science Technologies | Sealing Solutions | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	67,696	50,726	202,432	151,257
Health & Science Technologies | Performance Pneumatic Technologies | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	62,181	32,173	125,355	87,558
Health & Science Technologies | Micropump | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	8,519	7,273	24,794	22,260
Health & Science Technologies | Material Processing Technologies | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	32,693	29,637	99,097	85,755
Fire & Safety/Diversified Products
Disaggregation of Revenue [Line Items]
Total net sales	159,085	140,889	479,360	412,276
Fire & Safety/Diversified Products | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	159,085	140,889	479,360	412,276
Fire & Safety/Diversified Products | Intersegment elimination
Disaggregation of Revenue [Line Items]
Total net sales	(21)	(7)	(42)	(20)
Fire & Safety/Diversified Products | Fire & Safety | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	92,305	94,065	287,107	280,428
Fire & Safety/Diversified Products | BAND-IT | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	25,166	22,692	74,843	64,228
Fire & Safety/Diversified Products | Dispensing | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	$ 41,635	$ 24,139	$ 117,452	$ 67,640

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Revenue - Revenue by Geography (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Total net sales	$ 712,019	$ 581,113	$ 2,050,002	$ 1,736,824
Intersegment elimination
Disaggregation of Revenue [Line Items]
Total net sales	(671)	(908)	(3,007)	(2,297)
U.S. | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	365,152	286,664	982,141	876,411
North America, excluding U.S. | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	26,056	24,803	81,883	71,632
Europe | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	175,278	140,801	536,884	419,185
Asia | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	121,314	103,585	365,629	301,986
Other | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	24,890	26,168	86,472	69,907
FMT
Disaggregation of Revenue [Line Items]
Total net sales	251,297	220,553	745,202	666,187
FMT | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	251,297	220,553	745,202	666,187
FMT | Intersegment elimination
Disaggregation of Revenue [Line Items]
Total net sales	0	(194)	(737)	(533)
FMT | U.S. | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	137,046	122,352	399,123	384,429
FMT | North America, excluding U.S. | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	13,685	13,706	42,645	38,741
FMT | Europe | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	48,802	43,855	150,098	127,906
FMT | Asia | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	36,861	26,010	108,505	77,144
FMT | Other | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	14,903	14,824	45,568	38,500
HST
Disaggregation of Revenue [Line Items]
Total net sales	301,637	219,671	825,440	658,361
HST | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	301,637	219,671	825,440	658,361
HST | Intersegment elimination
Disaggregation of Revenue [Line Items]
Total net sales	(650)	(707)	(2,228)	(1,744)
HST | U.S. | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	148,195	98,943	355,759	288,042
HST | North America, excluding U.S. | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	5,193	5,417	16,687	15,911
HST | Europe | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	86,509	59,509	258,838	182,596
HST | Asia | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	59,990	52,197	178,971	161,342
HST | Other | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	2,400	4,312	17,413	12,214
FSDP
Disaggregation of Revenue [Line Items]
Total net sales	159,085	140,889	479,360	412,276
FSDP | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	159,085	140,889	479,360	412,276
FSDP | Intersegment elimination
Disaggregation of Revenue [Line Items]
Total net sales	(21)	(7)	(42)	(20)
FSDP | U.S. | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	79,911	65,369	227,259	203,940
FSDP | North America, excluding U.S. | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	7,178	5,680	22,551	16,980
FSDP | Europe | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	39,967	37,437	127,948	108,683
FSDP | Asia | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	24,463	25,378	78,153	63,500
FSDP | Other | Operating segments
Disaggregation of Revenue [Line Items]
Total net sales	$ 7,587	$ 7,032	$ 23,491	$ 19,193

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Revenue - Receivables (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total customer receivables	$ 367,194	$ 288,288
Unbilled receivables	14,956	14,752
Billed receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total customer receivables	$ 352,238	$ 273,536

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Revenue - Deferred Revenue (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Revenue from Contract with Customer [Abstract]
Deferred revenue - current	$ 45,055	$ 28,374
Deferred revenue - noncurrent	31,025	30,354
Total deferred revenue	$ 76,080	$ 58,728

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Revenue - Additional Information (Details) - Revenue from Contract with Customer - Product Concentration Risk	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Revenue from products and services transferred to customers	95.00%	95.00%	95.00%	95.00%
Transferred over Time
Disaggregation of Revenue [Line Items]
Revenue from products and services transferred to customers	5.00%	5.00%	5.00%	5.00%

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Earnings Per Common Share - Schedule of Basic Weighted Average Shares Reconciles to Diluted Weighted Average Shares Outstanding (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share [Abstract]
Basic weighted average common shares outstanding (in shares)	76,010	75,352	75,957	75,423
Dilutive effect of stock options, restricted stock and performance share units (in shares)	442	608	451	696
Diluted weighted average common shares outstanding (in shares)	76,452	75,960	76,408	76,119

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Earnings Per Common Share - Narrative (Details) - shares shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share [Abstract]
Options to purchase common stock shares not included in the computation of diluted EPS (in shares)	0.3	0.3	0.3	0.6

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Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Raw materials and component parts	$ 212,427	$ 173,248
Work in process	41,586	29,436
Finished goods	99,911	87,226
Total inventories	$ 353,924	$ 289,910

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Goodwill and Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill		$ 2,096,205
Accumulated goodwill impairment losses		(200,631)
Goodwill [Roll Forward]
Balance at December 31, 2020	$ 1,895,574
Foreign currency translation	(28,705)
Acquisitions	330,749
Disposition of businesses	(129)
Acquisition adjustments	(405)
Balance at September 30, 2021	2,197,084
FMT
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill		670,442
Accumulated goodwill impairment losses		(20,721)
Goodwill [Roll Forward]
Balance at December 31, 2020	649,721
Foreign currency translation	(7,132)
Acquisitions	59,481
Disposition of businesses	0
Acquisition adjustments	(405)
Balance at September 30, 2021	701,665
HST
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill		1,012,448
Accumulated goodwill impairment losses		(149,820)
Goodwill [Roll Forward]
Balance at December 31, 2020	862,628
Foreign currency translation	(14,168)
Acquisitions	271,268
Disposition of businesses	(129)
Acquisition adjustments	0
Balance at September 30, 2021	1,119,599
FSDP
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill		413,315
Accumulated goodwill impairment losses		$ (30,090)
Goodwill [Roll Forward]
Balance at December 31, 2020	383,225
Foreign currency translation	(7,405)
Acquisitions	0
Disposition of businesses	0
Acquisition adjustments	0
Balance at September 30, 2021	$ 375,820

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Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 16,200	$ 11,100	$ 40,681	$ 31,123
Intangible assets, amortization expense
Remaining of 2021	15,700		15,700
2022	61,300		61,300
2023	58,100		58,100
2024	53,600		53,600
2025	$ 52,000		$ 52,000

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Goodwill and Intangible Assets - Schedule of Gross Carrying Value and Accumulated Amortization for Each Major Class of Intangible Asset (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 792,265	$ 575,160
Intangible assets - Gross Carrying Amount	883,165	666,060
Amortized intangible assets - Accumulated Amortization	(269,799)	(250,497)
Amortized intangible assets - Net	522,466	324,663
Intangible assets - Net	613,366	415,563
Banjo trade name
Goodwill And Intangible Assets [Line Items]
Indefinite lived intangible assets - Net	62,100	62,100
Akron Brass trade name
Goodwill And Intangible Assets [Line Items]
Indefinite lived intangible assets - Net	28,800	28,800
Patents
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	3,152	3,030
Amortized intangible assets - Accumulated Amortization	(1,968)	(1,740)
Amortized intangible assets - Net	$ 1,184	1,290
Amortized intangible assets - Weighted Average Life	10 years
Trade names
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 148,258	130,793
Amortized intangible assets - Accumulated Amortization	(76,161)	(72,685)
Amortized intangible assets - Net	$ 72,097	58,108
Amortized intangible assets - Weighted Average Life	15 years
Customer relationships
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 495,680	318,350
Amortized intangible assets - Accumulated Amortization	(134,636)	(120,294)
Amortized intangible assets - Net	$ 361,044	198,056
Amortized intangible assets - Weighted Average Life	13 years
Unpatented technology
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 145,175	122,287
Amortized intangible assets - Accumulated Amortization	(57,034)	(55,131)
Amortized intangible assets - Net	$ 88,141	67,156
Amortized intangible assets - Weighted Average Life	13 years
Other
Goodwill And Intangible Assets [Line Items]
Amortized intangible assets - Gross Carrying Amount	$ 0	700
Amortized intangible assets - Accumulated Amortization	0	(647)
Amortized intangible assets - Net	$ 0	$ 53

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Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Payroll and related items	$ 83,828	$ 75,238
Management incentive compensation	21,483	15,763
Income taxes payable	16,038	13,453
Insurance	11,739	11,115
Warranty	7,777	7,394
Deferred revenue	45,055	28,374
Lease liability	17,597	16,721
Restructuring	3,315	3,868
Liability for uncertain tax positions	305	0
Accrued interest	12,604	3,592
Other	32,351	33,310
Total accrued expenses	$ 252,092	$ 208,828

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Other Noncurrent Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Other Liabilities Disclosure [Abstract]
Pension and retiree medical obligations	$ 92,308	$ 99,417
Transition tax payable	14,128	14,208
Liability for uncertain tax positions	773	1,071
Deferred revenue	31,025	30,354
Lease liability	96,927	94,250
Other	22,883	27,497
Total other noncurrent liabilities	$ 258,044	$ 266,797

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Borrowings - Schedule of Borrowings (Details) - USD ($) $ in Thousands	Sep. 30, 2021	May 28, 2021	May 17, 2021	Dec. 31, 2020	Apr. 29, 2020
Debt Instrument [Line Items]
Total borrowings	$ 1,200,131			$ 1,050,215
Other borrowings	131			215
Less current portion	35			88
Less deferred debt issuance costs	8,628			4,824
Less unaccreted debt discount	1,390			949
Total long-term borrowings	$ 1,190,078			$ 1,044,354
Senior Notes | 4.20% Senior Notes, due December 2021
Debt Instrument [Line Items]
Stated interest rate	4.20%			4.20%
Total borrowings	$ 0			$ 350,000
Senior Notes | 3.20% Senior Notes, due June 2023
Debt Instrument [Line Items]
Stated interest rate	3.20%			3.20%
Total borrowings	$ 100,000			$ 100,000
Senior Notes | 3.37% Senior Notes, due June 2025
Debt Instrument [Line Items]
Stated interest rate	3.37%			3.37%
Total borrowings	$ 100,000			$ 100,000
Senior Notes | 3.00% Senior Notes, due May 2030
Debt Instrument [Line Items]
Stated interest rate	3.00%				3.00%
Total borrowings	$ 500,000			500,000
Less unaccreted debt discount					$ 900
Senior Notes | 2.625% Senior Notes, due June 2031
Debt Instrument [Line Items]
Stated interest rate	2.625%		2.625%
Total borrowings	$ 500,000			$ 0
Less unaccreted debt discount		$ 600

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Borrowings - Narrative (Details) - USD ($)							3 Months Ended		9 Months Ended
	Jun. 16, 2021	May 28, 2021	May 17, 2021	May 27, 2020	Apr. 29, 2020	May 31, 2019	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Line of Credit Facility [Line Items]
Less unaccreted debt discount							$ 1,390,000		$ 1,390,000		$ 949,000
Interest									17,839,000	$ 16,415,000
Revolving Facility
Line of Credit Facility [Line Items]
Borrowing capacity						$ 800,000,000
Extension period						1 year
Letters of credit outstanding							7,200,000		7,200,000
Amount available to borrow							$ 792,800,000		$ 792,800,000
Minimum | Revolving Facility
Line of Credit Facility [Line Items]
Applicable leverage ratio							0.00%		0.00%
Maximum | Revolving Facility
Line of Credit Facility [Line Items]
Applicable leverage ratio							1.275%		1.275%
Senior Notes | 2.625% Senior Notes, due June 2031
Line of Credit Facility [Line Items]
Face amount of debt		$ 500,000,000.0
Stated interest rate			2.625%				2.625%		2.625%
Proceeds from debt, net		494,700,000
Less unaccreted debt discount		600,000
Underwriting commission		3,300,000
Offering expenses		1,400,000
Redemption price, percentage			101.00%
Senior Notes | 2.625% Senior Notes, due June 2031 | Minimum
Line of Credit Facility [Line Items]
Percent of notes held							25.00%		25.00%
Senior Notes | 4.20% Senior Notes, due December 2021
Line of Credit Facility [Line Items]
Stated interest rate							4.20%		4.20%		4.20%
Extinguishment of debt		350,000,000	$ 350,000,000
Redemption premium		$ 6,700,000	6,700,000
Amount to be recognized from hedged transactions within 12 months, approximate	$ 1,300,000
Write off of deferred debt issuance cost			100,000
Write off of debt remaining discount			100,000
Write off deferred taxes			$ 400,000
Loss on early debt redemption							$ 8,600,000		$ 8,600,000
Senior Notes | 3.00% Senior Notes, due May 2030
Line of Credit Facility [Line Items]
Face amount of debt					$ 500,000,000
Stated interest rate					3.00%		3.00%		3.00%
Proceeds from debt, net					$ 494,400,000
Less unaccreted debt discount					900,000
Underwriting commission					3,300,000
Offering expenses					$ 1,400,000
Senior Notes | 4.5% Senior Notes
Line of Credit Facility [Line Items]
Stated interest rate				4.50%	4.50%		4.50%		4.50%
Extinguishment of debt				$ 300,000,000	$ 300,000,000
Redemption premium				6,800,000
Amount to be recognized from hedged transactions within 12 months, approximate				1,400,000
Write off of deferred debt issuance cost				100,000
Write off of debt remaining discount				100,000
Loss on early debt redemption								$ 8,400,000		$ 8,400,000
Interest				$ 6,100,000
Letters of Credit | Revolving Facility
Line of Credit Facility [Line Items]
Borrowing capacity						$ 75,000,000
Swing Line Loans | Revolving Facility
Line of Credit Facility [Line Items]
Borrowing capacity						$ 50,000,000

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Derivative Instruments (Details) $ in Thousands			9 Months Ended		24 Months Ended
	Jun. 16, 2021 USD ($)	May 27, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2011 USD ($) instrument	Dec. 31, 2020	Apr. 29, 2020
Derivative [Line Items]
Amortization of interest expense			$ 1,354	$ 1,351
Senior Notes | 4.20% Senior Notes, due December 2021
Derivative [Line Items]
Interest rate on senior notes			4.20%			4.20%
Amount to be recognized from hedged transactions within 12 months, approximate	$ 1,300
Senior Notes | 4.5% Senior Notes
Derivative [Line Items]
Interest rate on senior notes		4.50%	4.50%				4.50%
Amount to be recognized from hedged transactions within 12 months, approximate		$ 1,400
Interest Rate Contract
Derivative [Line Items]
Number of instruments held | instrument					2
Interest Rate Exchange Agreement Expiring 2010 and 2011
Derivative [Line Items]
Amortization of interest expense					$ 68,900
Term of amortized interest expense, years					10 years

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Fair Value Measurements - Schedule of Company Financial Assets and Liabilities at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Fixed Income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	$ 9,800
Equities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	1,100
Fair Value, Measurements, Recurring | Mutual Funds Held in Nonqualified SERP
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	10,842	$ 13,554
Fair Value, Measurements, Recurring | Fixed Income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	9,834
Fair Value, Measurements, Recurring | Equities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	1,061
Fair Value, Measurements, Recurring | Level 1 | Mutual Funds Held in Nonqualified SERP
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	10,842	13,554
Fair Value, Measurements, Recurring | Level 1 | Fixed Income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	9,834
Fair Value, Measurements, Recurring | Level 1 | Equities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	1,061
Fair Value, Measurements, Recurring | Level 2 | Mutual Funds Held in Nonqualified SERP
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	0	0
Fair Value, Measurements, Recurring | Level 2 | Fixed Income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	0
Fair Value, Measurements, Recurring | Level 2 | Equities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	0
Fair Value, Measurements, Recurring | Level 3 | Mutual Funds Held in Nonqualified SERP
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	0	$ 0
Fair Value, Measurements, Recurring | Level 3 | Fixed Income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	0
Fair Value, Measurements, Recurring | Level 3 | Equities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	$ 0

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Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2021	May 17, 2021	Dec. 31, 2020	Apr. 29, 2020
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	$ 1,248.9		$ 1,127.6
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, fair value	$ 1,198.7		$ 1,049.3
Senior Notes | 2.625% Senior Notes, due June 2031
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate	2.625%	2.625%
Senior Notes | 3.00% Senior Notes, due May 2030
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate	3.00%			3.00%
Senior Notes | 3.20% Senior Notes, due June 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate	3.20%		3.20%
Senior Notes | 3.37% Senior Notes, due June 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate	3.37%		3.37%
Senior Notes | 4.20% Senior Notes, due December 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate	4.20%		4.20%

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Leases (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($) option	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) option	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Options for renewal | option	1		1
Assets and Liabilities, Lessee [Abstract]
Total right-of-use assets - net	$ 110,920		$ 110,920		$ 106,586
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other noncurrent liabilities		Other noncurrent liabilities		Other noncurrent liabilities
Current lease liabilities	$ 17,597		$ 17,597		$ 16,721
Noncurrent lease liabilities	96,927		96,927		94,250
Total lease liabilities	114,524		114,524		110,971
Lease, Cost [Abstract]
Operating lease cost	9,258	$ 7,349	23,754	$ 19,663
Variable lease cost	730	426	1,903	1,380
Total lease expense	9,988	$ 7,775	25,657	21,043
Cash paid for amounts included in the measurement of operating lease liabilities			23,134	19,198
Right-of-use assets obtained in exchange for new operating lease liabilities			13,853	$ 36,707
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2021 (excluding the nine months ended September 30, 2021)	5,105		5,105
2022	19,884		19,884		19,717
2023	18,014		18,014		17,014
2024	15,130		15,130		13,662
2025	13,403		13,403		11,681
Thereafter	60,478		60,478
2025					11,141
Thereafter					57,570
Total lease payments	132,014		132,014		130,785
Less: Imputed interest	$ (17,490)		$ (17,490)		$ (19,814)
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued expenses		Accrued expenses		Accrued expenses
Building
Assets and Liabilities, Lessee [Abstract]
Total right-of-use assets - net	$ 104,601		$ 104,601		$ 100,775
Equipment
Assets and Liabilities, Lessee [Abstract]
Total right-of-use assets - net	$ 6,319		$ 6,319		$ 5,811
Building and Equipment
Lease, Cost [Abstract]
Weighted-average remaining lease term (years): Operating leases	8 years 7 months 24 days		8 years 7 months 24 days		9 years 5 months 4 days
Weighted-average discount rate: Operating leases	3.27%		3.27%		3.51%
Vehicles
Lease, Cost [Abstract]
Weighted-average remaining lease term (years): Operating leases	2 years 3 months		2 years 3 months		2 years 3 days
Weighted-average discount rate: Operating leases	1.30%		1.30%		2.05%

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Restructuring Expenses and Asset Impairments - Narrative (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Restructuring and Related Activities [Abstract]
Asset impairments	$ 800
Restructuring	$ 3,315	$ 3,868

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Restructuring Expenses and Asset Impairments - Restructuring Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	$ 3,204	$ 2,917	$ 8,568	$ 6,758
Operating segments | Fluid & Metering Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	1,934	585	4,787	2,433
Operating segments | Health & Science Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	626	978	1,693	2,162
Operating segments | Fire & Safety/Diversified Products
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	(55)	1,249	161	1,890
Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	699	105	1,927	273
Severance Costs
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	2,615	2,832	7,753	6,673
Severance Costs | Operating segments | Fluid & Metering Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	1,345	500	3,972	2,348
Severance Costs | Operating segments | Health & Science Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	626	978	1,693	2,162
Severance Costs | Operating segments | Fire & Safety/Diversified Products
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	(55)	1,249	161	1,890
Severance Costs | Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	699	105	1,927	273
Exit Costs
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0	0	0	0
Exit Costs | Operating segments | Fluid & Metering Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0	0	0	0
Exit Costs | Operating segments | Health & Science Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0	0	0	0
Exit Costs | Operating segments | Fire & Safety/Diversified Products
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0	0	0	0
Exit Costs | Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0	0	0	0
Asset Impairment
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	589	85	815	85
Asset Impairment | Operating segments | Fluid & Metering Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	589	85	815	85
Asset Impairment | Operating segments | Health & Science Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0	0	0	0
Asset Impairment | Operating segments | Fire & Safety/Diversified Products
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0	0	0	0
Asset Impairment | Corporate/Other
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	$ 0	$ 0	$ 0	$ 0

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Restructuring Expenses and Asset Impairments - Restructuring Accruals (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($)
Restructuring Reserve [Roll Forward]
Balance at January 1, 2021	$ 3,868
Restructuring expenses	7,753
Payments, utilization and other	(8,306)
Balance at September 30, 2021	3,315
Asset impairments	$ 800

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Other Comprehensive Income (Loss) - Components of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)	$ (27,863)	$ 48,306	$ (43,561)	$ 46,096
Cumulative translation adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	(28,703)	47,343	(56,887)	40,158
Total other comprehensive income (loss), Tax	0	0	0	0
Other comprehensive income (loss)	(28,703)	47,343	(56,887)	40,158
Pension and other postretirement adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	1,175	462	14,238	2,767
Total other comprehensive income (loss), Tax	(335)	(171)	(3,443)	(811)
Other comprehensive income (loss)	840	291	10,795	1,956
Reclassification adjustments for derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	0	869	3,275	5,153
Total other comprehensive income (loss), Tax	0	(197)	(744)	(1,171)
Other comprehensive income (loss)	0	672	2,531	3,982
AOCI
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	(27,528)	48,674	(39,374)	48,078
Total other comprehensive income (loss), Tax	(335)	(368)	(4,187)	(1,982)
Other comprehensive income (loss)	$ (27,863)	$ 48,306	$ (43,561)	$ 46,096

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Other Comprehensive Income (Loss) - Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of net (gain) loss	$ 630	$ (704)			$ 16,957	$ 7,321
Reclassification adjustments	9,498	10,642			31,479	33,958
Total before tax	151,057	121,275			426,552	340,469
Provision for income taxes	35,343	17,427			95,987	63,759
Net income	(115,742)	(103,848)	$ (70,864)	$ (101,998)	(330,645)	(276,710)
Reclassification out of Accumulated Other Comprehensive Income | Net Prior Service Attributable to Parent
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of net (gain) loss	1,175	462			14,238	2,767
Reclassification out of Accumulated Other Comprehensive Income | Retirement Benefits Adjustment
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total before tax	1,175	462			14,238	2,767
Provision for income taxes	(335)	(171)			(3,443)	(811)
Net income	840	291			10,795	1,956
Reclassification out of Accumulated Other Comprehensive Income | Cumulative Unrealized Gain (Loss) on Derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification adjustments	0	869			3,275	5,153
Total before tax	0	869			3,275	5,153
Provision for income taxes	0	(197)			(744)	(1,171)
Net income	$ 0	$ 672			$ 2,531	$ 3,982

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Other Comprehensive Income (Loss) - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Debt Instrument [Line Items]
Net income (loss)	$ (115,742)	$ (103,848)	$ (70,864)	$ (101,998)	$ (330,645)	$ (276,710)
4.20% Senior Notes, due December 2021 | Senior Notes
Debt Instrument [Line Items]
Interest rate on senior notes	4.20%				4.20%		4.20%
Reclassification out of Accumulated Other Comprehensive Income | Cumulative Unrealized Gain (Loss) on Derivatives
Debt Instrument [Line Items]
Net income (loss)	$ 0	$ 672			$ 2,531	$ 3,982
Reclassification out of Accumulated Other Comprehensive Income | Cumulative Unrealized Gain (Loss) on Derivatives | 4.20% Senior Notes, due December 2021 | Senior Notes
Debt Instrument [Line Items]
Net income (loss)	$ 1,300				$ 1,300

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Common and Preferred Stock (Details) - USD ($)			3 Months Ended		9 Months Ended
	Mar. 17, 2020	Dec. 01, 2015	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Equity [Abstract]
Increase in share repurchase authorized amount	$ 500,000,000	$ 300,000,000
Purchase of common stock (in shares)			9,600	866,823	0	876,000
Repurchase of shares of common stock			$ 1,435,000	$ 108,907,000		$ 110,300,000
Remaining authorized repurchase amount					$ 712,000,000
Common stock, authorized (in shares)					150,000,000		150,000,000
Common stock, par value (in dollars per share)					$ 0.01		$ 0.01
Preferred stock, authorized (in shares)					5,000,000		5,000,000
Preferred stock, par value (in dollars per share)					$ 0.01		$ 0.01
Preferred stock, shares outstanding (in shares)					0		0

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Share Based Compensation - Narrative (Details) - USD ($) $ in Millions		1 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2020	Feb. 28, 2021	Sep. 30, 2021	Dec. 31, 2020
Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			4 years
Total unrecognized compensation cost			$ 11.5
Weighted-average period of total unrecognized compensation cost, in years			1 year 3 months 18 days
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			37,985
Total unrecognized compensation cost			$ 7.8
Weighted-average period of total unrecognized compensation cost, in years			1 year 1 month 6 days
Restricted Stock | Employees and Non-employee Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
Cash-settled Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
Granted (in shares)			22,385
Total unrecognized compensation cost			$ 4.3
Weighted-average period of total unrecognized compensation cost, in years			1 year
Performance Shares Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period				3 years
Granted (in shares)	24,305		29,020
Payout percent				201.00%
Stock issued during period (in shares)		48,867
Total unrecognized compensation cost			$ 6.1
Weighted-average period of total unrecognized compensation cost, in years			10 months 24 days

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Share-Based Compensation - Schedule of Weighted Average Option Fair Values and Assumptions (Details) - Stock Option - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair value of grants (in dollars per share)	$ 45.44	$ 31.60	$ 38.86	$ 34.22
Dividend yield	0.96%	1.18%	1.01%	1.15%
Volatility	24.60%	23.71%	23.77%	22.04%
Risk-free interest rate, minimum	0.71%	0.14%	0.12%	1.40%
Risk-free interest rate, maximum	0.82%	0.70%	1.54%	1.66%
Expected life (in years)	4 years 10 months 24 days	5 years 9 months 21 days	5 years 8 months 12 days	5 years 9 months 18 days

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Share-Based Compensation - Schedule of Compensation Cost for Stock Options (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based compensation expense			$ 18,575	$ 21,155
Stock Option
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based compensation expense	$ 1,889	$ 2,284	6,705	7,838
Income tax benefit	(180)	(216)	(628)	(801)
Total expense after income taxes	1,709	2,068	6,077	7,037
Stock Option | Cost of goods sold
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based compensation expense	100	107	436	389
Stock Option | Selling, general and administrative expenses
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-based compensation expense	$ 1,789	$ 2,177	$ 6,269	$ 7,449

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Share-Based Compensation - Stock Options Activity (Details) - Stock Option - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Shares
Beginning balance (in shares)	963,726
Granted (in shares)	278,605
Exercised (in shares)	(131,685)
Forfeited/Expired (in shares)	(37,979)
Ending balance (in shares)	1,072,667	963,726
Vested and expected to vest (in shares)	1,021,851
Exercisable (in shares)	495,853
Weighted Average Price
Beginning Balance, Weighted Average Price (in dollars per share)	$ 125.70
Granted, Weighted Average Price (in dollars per share)	198.21
Exercised, Weighted Average Price (in dollars per share)	111.07
Forfeited, Weighted Average Price (in dollars per share)	165.68
Ending Balance, Weighted Average Price (in dollars per share)	$ 144.92	$ 125.70
Weighted-Average Remaining Contractual Term
Stock options outstanding, Weighted-Average Remaining Contractual Term	7 years 25 days	6 years 11 months 8 days
Aggregate Intrinsic Value
Stock options outstanding, Aggregate intrinsic value	$ 66,728,398	$ 70,829,529
Vested and expected to vest , Weighted Average Price (in dollars per share)	$ 142.97
Exercisable, Weighted Average Price (in dollars per share)	$ 106.25
Weighted-Average Remaining Contractual Term, Vested and expected to vest	6 years 11 months 23 days
Weighted-Average Remaining Contractual Term, Exercisable	5 years 3 months 10 days
Aggregate Intrinsic Value, Vested and expected to vest	$ 65,520,705
Aggregate Intrinsic Value, Exercisable	$ 49,933,371

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Share-Based Compensation - Restricted Stock Units Activity (Details) - Restricted Stock	9 Months Ended
	Sep. 30, 2021 $ / shares shares
Shares
Unvested, Beginning balance (in shares) | shares	111,300
Granted (in shares) | shares	37,985
Vested (in shares) | shares	(28,874)
Forfeited (in shares) | shares	(6,735)
Unvested, Ending balance (in shares) | shares	113,676
Weighted-Average Grant Date Fair Value
Unvested, Beginning balance (in dollars per share) | $ / shares	$ 147.13
Granted (in dollars per share) | $ / shares	205.64
Vested (in dollars per share) | $ / shares	137.25
Forfeited (in dollars per share) | $ / shares	169.41
Unvested, Ending balance (in dollars per share) | $ / shares	$ 168.24

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Share-Based Compensation - Schedule of Compensation Cost for Restricted Stock Units (Details) - Restricted Stock - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	$ 1,375	$ 1,032	$ 4,174	$ 3,064
Income tax benefit	(264)	(217)	(846)	(643)
Total expense after income taxes	1,111	815	3,328	2,421
Cost of goods sold
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	85	69	318	255
Selling, general and administrative expenses
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	$ 1,290	$ 963	$ 3,856	$ 2,809

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Share-Based Compensation - Cash-settled Restricted Stock Activity (Details) - Cash-settled Restricted Stock	9 Months Ended
	Sep. 30, 2021 $ / shares shares
Shares
Unvested, Beginning balance (in shares) | shares	63,940
Granted (in shares) | shares	22,385
Vested (in shares) | shares	(22,921)
Forfeited (in shares) | shares	(3,930)
Unvested, Ending balance (in shares) | shares	59,474
Weighted-Average Grant Date Fair Value
Unvested, Beginning balance (in dollars per share) | $ / shares	$ 199.20
Granted (in dollars per share) | $ / shares	198.85
Vested (in dollars per share) | $ / shares	199.51
Forfeited (in dollars per share) | $ / shares	206.95
Unvested, Ending balance (in dollars per share) | $ / shares	$ 206.95

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Share-Based Compensation - Schedule of Compensation Cost for Cash-settled Restricted Stock (Details) - Cash-settled Restricted Stock - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	$ 424	$ 1,602	$ 3,109	$ 3,028
Income tax benefit	(21)	(150)	(233)	(286)
Total expense after income taxes	403	1,452	2,876	2,742
Cost of goods sold
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	60	283	414	595
Selling, general and administrative expenses
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	$ 364	$ 1,319	$ 2,695	$ 2,433

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Share-Based Compensation - Schedule of Weighted Average Performance Share Units Fair Values and Assumptions (Details) - Performance Shares Units - $ / shares	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair value of grants (in dollars per share)	$ 247.49	$ 224.14
Dividend yield	0.00%	0.00%
Volatility	28.60%	19.50%
Risk-free interest rate	0.33%	1.30%
Expected life (in years)	2 years 11 months 4 days	2 years 11 months 8 days

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Share-Based Compensation - Performance Share Unit Activity (Details) - Performance Shares Units - $ / shares		9 Months Ended
	Dec. 31, 2020	Sep. 30, 2021
Shares
Unvested, Beginning balance (in shares)		58,695
Granted (in shares)	24,305	29,020
Vested (in shares)		0
Forfeited (in shares)		(5,850)
Unvested, Ending balance (in shares)	58,695	81,865
Weighted-Average Grant Date Fair Value
Unvested, Beginning balance (in dollars per share)		$ 218.16
Granted (in dollars per share)		247.49
Vested (in dollars per share)		0
Forfeited (in dollars per share)		212.44
Unvested, Ending balance (in dollars per share)	$ 218.16	$ 227.90

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Share-Based Compensation - Schedule of Compensation Cost for Performance Share Units (Details) - Performance Shares Units - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	$ 1,642	$ 2,572	$ 4,587	$ 7,225
Income tax benefit	(84)	(49)	(195)	(157)
Total expense after income taxes	1,558	2,523	4,392	7,068
Cost of goods sold
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	0	0	0	0
Selling, general and administrative expenses
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	$ 1,642	$ 2,572	$ 4,587	$ 7,225

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Retirement Benefits - Components of Net Periodic Benefit Cost for Defined Benefit Plans and Other Postretirement Plans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Termination of the U.S. pension plan			$ 9,688	$ 0
Other Postretirement Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	$ 179	$ 154	535	463
Interest cost	102	156	307	469
Net amortization	(169)	(135)	(508)	(407)
Net periodic (benefit) cost	112	175	334	525
U.S. | Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	38	34	113	103
Interest cost	43	312	209	963
Expected return on plan assets	(39)	(927)	(815)	(2,804)
Termination of the U.S. pension plan	0	326	10,496	702
Net amortization	74	643	299	852
Net periodic (benefit) cost	116	388	10,302	(184)
Non-U.S. | Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	508	539	1,523	1,620
Interest cost	183	263	549	789
Expected return on plan assets	(253)	(291)	(758)	(873)
Termination of the U.S. pension plan	0	0	0	0
Net amortization	548	427	1,645	1,279
Net periodic (benefit) cost	$ 986	$ 938	$ 2,959	$ 2,815

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Retirement Benefits - Narrative (Details) $ in Millions	9 Months Ended
	Sep. 30, 2021 USD ($)	Sep. 30, 2019 employee
Defined Benefit Plan Disclosure [Line Items]
Contributions by employer	$ 3.3
Participants affected due to plan freeze (fewer than) | employee		60
Recognized loss	9.7
Previously deferred pension cost	10.7
Increase in plan assets	1.0
Funded status of plan	10.9
Equities
Defined Benefit Plan Disclosure [Line Items]
Trading securities	1.1
Fixed Income
Defined Benefit Plan Disclosure [Line Items]
Trading securities	9.8
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Expected contribution for next fiscal year	3.4
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Expected contribution for next fiscal year	$ 1.0

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Legal Proceedings (Details) - Corporate Transaction Indemnity - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2021	Jun. 30, 2021
Loss Contingencies [Line Items]
Estimated litigation liability		$ 3.9
Payments for legal settlements	$ 3.5

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Income Taxes (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 35,343,000	$ 17,427,000	$ 95,987,000	$ 63,759,000
Effective tax rate	23.40%	14.40%	22.50%	18.70%
Minimum
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Reasonably possible change in unrecognized tax benefits over next 12 months	$ 0		$ 0
Maximum
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Reasonably possible change in unrecognized tax benefits over next 12 months	$ 300,000		$ 300,000