10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D. C. 20549

FORM 10-Q

(Mark One)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended December 31, 2023

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 001-38848

STERIS plc

(Exact name of registrant as specified in its charter)

Ireland			98-1455064
(State or other jurisdiction of incorporation or organization)			(IRS Employer Identification No.)
70 Sir John Rogerson's Quay,	Dublin 2,	Ireland	D02 R296
(Address of principal executive offices)			(Zip code)

353 1 232 2000

(Registrant’s telephone number, including area code)

_______________________________________________

SECURITIES REGISTERED PURSUANT TO SECTION 12(B) OF THE ACT:

Title of each class	Trading symbol(s)	Name of Exchange on Which Registered
Ordinary Shares, $0.001 par value	STE	New York Stock Exchange
2.700% Senior Notes due 2031	STE/31	New York Stock Exchange
3.750% Senior Notes due 2051	STE/51	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  x    No  o

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 (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes  x    No  o

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.  o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes ☐     No  x

The number of ordinary shares outstanding as of February 5, 2024: 98,814,035

1

STERIS plc and Subsidiaries

Form 10-Q

Index

		Page
Part I—Financial Information
Item 1.	Financial Statements	3
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	30
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	45
Item 4.	Controls and Procedures	46
Part II—Other Information
Item 1.	Legal Proceedings	47
Item 1A.	Risk Factors	47
Item 2.	Unregistered Sales of Equity Securities, Use or Proceeds, and Issuer Purchases of Equity Securities	48
Item 5.	Other Information	48
Item 6.	Exhibits	49
	Signature	50

2

PART 1—FINANCIAL INFORMATION

As used in this Quarterly Report on Form 10-Q, STERIS plc and its consolidated subsidiaries together are called “STERIS,” the “Company,” “we,” “us,” or “our,” unless otherwise noted.

ITEM 1.    FINANCIAL STATEMENTS

STERIS PLC AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

(in thousands)

	December 31, 2023		March 31, 2023
	(Unaudited)
Assets
Current assets:
Cash and cash equivalents	$	195,585	$	208,357
Accounts receivable (net of allowances of $27,951 and $23,427, respectively)	964,022		928,315
Inventories, net	855,617		695,493
Prepaid expenses and other current assets	203,729		179,277
Total current assets	2,218,953		2,011,442
Property, plant, and equipment, net	1,844,484		1,705,512
Lease right-of-use assets, net	195,413		191,741
Goodwill	4,111,683		3,879,219
Intangibles, net	2,987,287		2,955,780
Other assets	77,335		78,145
Total assets	$	11,435,155	$	10,821,839
Liabilities and equity
Current liabilities:
Accounts payable	$	276,730	$	279,620
Accrued income taxes	24,880		43,804
Accrued payroll and other related liabilities	178,838		125,642
Short-term lease obligations	36,711		34,961
Short-term indebtedness	78,438		60,000
Accrued expenses and other	318,097		317,817
Total current liabilities	913,694		861,844
Long-term indebtedness	3,231,075		3,018,655
Deferred income taxes, net	621,071		617,538
Long-term lease obligations	162,827		160,493
Other liabilities	78,389		76,137
Total liabilities	$	5,007,056	$	4,734,667
Commitments and contingencies (see Note 8)
Ordinary shares, with $0.001 par value; 500,000 shares authorized; 98,808 and 98,629 ordinary shares issued and outstanding, respectively	4,534,259		4,486,375
Retained earnings	2,133,766		1,911,533
Accumulated other comprehensive loss	(252,629)		(320,710)
Total shareholders’ equity	6,415,396		6,077,198
Noncontrolling interests	12,703		9,974
Total equity	6,428,099		6,087,172
Total liabilities and equity	$	11,435,155	$	10,821,839

See notes to consolidated financial statements.

3

STERIS PLC AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF INCOME (LOSS)

(in thousands, except per share amounts)

(Unaudited)

	Three Months Ended December 31,				Nine Months Ended December 31,
	2023		2022		2023		2022
Revenues:
Product	$	804,756	$	679,042	$	2,280,950	$	1,982,512
Service	590,889		536,952		1,741,597		1,590,490
Total revenues	1,395,645		1,215,994		4,022,547		3,573,002
Cost of revenues:
Product	439,005		374,729		1,223,415		1,058,663
Service	354,047		319,768		1,029,549		942,709
Total cost of revenues	793,052		694,497		2,252,964		2,001,372
Gross profit	602,593		521,497		1,769,583		1,571,630
Operating expenses:
Selling, general, and administrative	360,518		305,141		1,100,227		962,962
Goodwill impairment loss	—		—		—		490,565
Research and development	25,913		25,514		78,459		75,193
Restructuring expenses	6		39		2		127
Total operating expenses	386,437		330,694		1,178,688		1,528,847
Income from operations	216,156		190,803		590,895		42,783
Non-operating expenses, net:
Interest expense	38,947		28,559		108,248		77,356
Interest and miscellaneous (income) expense	(2,080)		1,906		(4,710)		3,200
Total non-operating expenses, net	36,867		30,465		103,538		80,556
Income (loss) before income tax expense	179,289		160,338		487,357		(37,773)
Income tax expense	38,344		37,013		106,276		43,378
Net income (loss)	140,945		123,325		381,081		(81,151)
Less: Net income (loss) attributable to noncontrolling interests	202		(503)		1,465		(956)
Net income (loss) attributable to shareholders	$	140,743	$	123,828	$	379,616	$	(80,195)
Net income (loss) per share attributed to shareholders
Basic	$	1.42	$	1.24	$	3.84	$	(0.80)
Diluted	$	1.42	$	1.24	$	3.82	$	(0.80)
Cash dividends declared per share ordinary outstanding	$	0.52	$	0.47	$	1.51	$	1.37

See notes to consolidated financial statements.

4

STERIS PLC AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)

(in thousands)

(Unaudited)

	Three Months Ended December 31,				Nine Months Ended December 31,
	2023		2022		2023		2022
Net income (loss)	$	140,945	$	123,325	$	381,081	$	(81,151)
Less: Net income (loss) attributable to noncontrolling   interests	202		(503)		1,465		(956)
Net income (loss) attributable to shareholders	140,743		123,828		379,616		(80,195)
Other comprehensive income (loss)
Defined benefit plan changes (net of taxes of $17, $8, $52 and $24, respectively)	58		27		175		83
Change in cumulative currency translation adjustment	134,048		233,958		67,906		(154,438)
Total other comprehensive income (loss)	134,106		233,985		68,081		(154,355)
Comprehensive income (loss)	$	274,849	$	357,813	$	447,697	$	(234,550)

See notes to consolidated financial statements.

5

STERIS PLC AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

(Unaudited)

	Nine Months Ended December 31,
	2023		2022
Operating activities:
Net income (loss)	$	381,081	$	(81,151)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion, and amortization	430,806		410,693
Deferred income taxes	(506)		(62,797)
Share-based compensation expense	47,588		29,857
(Gain) loss on the disposal of property, plant, equipment, and intangibles, net	(971)		653
Loss on sale of businesses, net	—		3,939
Amortization of inventory fair value adjustments	4,722		2,477
Goodwill impairment loss	—		490,565
Other items	4,536		4,433
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable, net	(18,252)		(32,878)
Inventories, net	(123,349)		(130,434)
Other current assets	(22,841)		(46,116)
Accounts payable	(6,097)		18,819
Accruals and other, net	21,750		(66,912)
Net cash provided by operating activities	718,467		541,148
Investing activities:
Purchases of property, plant, equipment, and intangibles, net	(268,829)		(290,520)
Proceeds from the sale of property, plant, and equipment	7,375		12,164
Proceeds from the sale of businesses	9,458		6,624
Acquisition of businesses, net of cash acquired	(539,758)		(34,020)
Net cash used in investing activities	(791,754)		(305,752)
Financing activities:
Payments on Private Placement Senior Notes	—		(91,000)
Payments on term loans	(45,000)		(141,875)
Proceeds under credit facilities, net	265,501		216,561
Payments on acquisition related deferred or contingent consideration	(6,153)		(310)
Repurchases of ordinary shares	(11,440)		(153,952)
Cash dividends paid to ordinary shareholders	(149,173)		(136,898)
Distributions to noncontrolling interest	(1,561)		(794)
Contributions from noncontrolling interest	2,883		—
Stock option and other equity transactions, net	3,526		1,497
Net cash provided by (used in) financing activities	58,583		(306,771)
Effect of exchange rate changes on cash and cash equivalents	1,932		(17,574)
Decrease in cash and cash equivalents	(12,772)		(88,949)
Cash and cash equivalents at beginning of period	208,357		348,320
Cash and cash equivalents at end of period	$	195,585	$	259,371

See notes to consolidated financial statements.

6

STERIS PLC AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY

(in thousands, except per share amounts)

(Unaudited)

	Three Months Ended December 31, 2023
	Ordinary Shares			Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interest		Total Equity
	Number	Amount
Balance at September 30, 2023	98,789	$	4,518,911	$	2,045,897	$	(386,735)	$	11,095	$	6,189,168
Comprehensive income:
Net income	—	—		140,743		—		202		140,945
Other comprehensive income	—	—		—		134,106		—		134,106
Repurchases of ordinary shares	(12)	(731)		(1,497)		—		—		(2,228)
Equity compensation programs and other	31	16,079		—		—		—		16,079
Cash dividends - $0.52 per ordinary share	—	—		(51,377)		—		—		(51,377)
Contributions from noncontrolling interest	—	—		—		—		2,883		2,883
Distributions to noncontrolling interest	—	—		—		—		(1,561)		(1,561)
Other changes in noncontrolling interest	—	—		—		—		84		84
Balance at December 31, 2023	98,808	$	4,534,259	$	2,133,766	$	(252,629)	$	12,703	$	6,428,099

	Nine Months Ended December 31, 2023
	Ordinary Shares			Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interest		Total Equity
	Number	Amount
Balance at March 31, 2023	98,629	$	4,486,375	$	1,911,533	$	(320,710)	$	9,974	$	6,087,172
Comprehensive income:
Net income	—	—		379,616		—		1,465		381,081
Other comprehensive income	—	—		—		68,081		—		68,081
Repurchases of ordinary shares	(69)	(3,230)		(8,210)		—		—		(11,440)
Equity compensation programs and other	248	51,114		—		—		—		51,114
Cash dividends – $1.51 per ordinary share	—	—		(149,173)		—		—		(149,173)
Contributions from noncontrolling interest	—	—		—		—		2,883		2,883
Distributions to noncontrolling interest	—	—		—		—		(1,561)		(1,561)
Other changes in noncontrolling interest	—	—		—		—		(58)		(58)
Balance at December 31, 2023	98,808	$	4,534,259	$	2,133,766	$	(252,629)	$	12,703	$	6,428,099

7

STERIS PLC AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY

(in thousands, except per share amounts)

(Unaudited)

	Three Months Ended December 31, 2022
	Ordinary Shares			Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interest		Total Equity
	Number	Amount
Balance at September 30, 2022	99,868	$	4,705,118	$	1,695,087	$	(598,148)	$	11,390	$	5,813,447
Comprehensive income:
Net income (loss)	—	—		123,828		—		(503)		123,325
Other comprehensive income	—	—		—		233,985		—		233,985
Repurchases of ordinary shares	(493)	(82,804)		(1,226)		—		—		(84,030)
Equity compensation programs and other	25	9,389		—		—		—		9,389
Cash dividends – $0.47 per ordinary share	—	—		(46,917)		—		—		(46,917)
Distributions to noncontrolling interest	—	—		—		—		(794)		(794)
Other changes in noncontrolling interest	—	—		—		—		115		115
Balance at December 31, 2022	99,400	$	4,631,703	$	1,770,772	$	(364,163)	$	10,208	$	6,048,520

	Nine Months Ended December 31, 2022
	Ordinary Shares			Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interest		Total Equity
	Number	Amount
Balance at March 31, 2022	100,067	$	4,742,920	$	1,999,244	$	(209,808)	$	12,281	$	6,544,637
Comprehensive income:
Net loss	—	—		(80,195)		—		(956)		(81,151)
Other comprehensive loss	—	—		—		(154,355)		—		(154,355)
Repurchases of ordinary shares	(850)	(142,573)		(11,379)		—		—		(153,952)
Equity compensation programs and other	183	31,356		—		—		—		31,356
Cash dividends – $1.37 per ordinary share	—	—		(136,898)		—		—		(136,898)
Distributions to noncontrolling interest	—	—		—		—		(794)		(794)
Other changes in noncontrolling interest	—	—		—		—		(323)		(323)
Balance at December 31, 2022	99,400	$	4,631,703	$	1,770,772	$	(364,163)	$	10,208	$	6,048,520

See notes to consolidated financial statements.

8

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

1. Nature of Operations and Summary of Significant Accounting Policies

STERIS is a leading global provider of products and services that support patient care with an emphasis on infection prevention. WE HELP OUR CUSTOMERS CREATE A HEALTHIER AND SAFER WORLD by providing innovative healthcare, life sciences and dental products and services. We offer our Customers a unique mix of innovative consumable products, such as detergents, endoscopy accessories, barrier products, and other products and services, including equipment installation and maintenance, microbial reduction of medical devices, dental instruments and tools, instrument and scope repair, laboratory testing services, outsourced reprocessing, and capital equipment products, such as sterilizers and surgical tables, automated endoscope reprocessors, and connectivity solutions such as operating room (“OR”) integration.

We operate and report in four reportable business segments: Healthcare, Applied Sterilization Technologies ("AST"), Life Sciences, and Dental. We describe our business segments in Note 9 titled "Business Segment Information."

Our fiscal year ends on March 31. References in this Quarterly Report to a particular “year” or “year-end” mean our fiscal year. The significant accounting policies applied in preparing the accompanying consolidated financial statements of the Company are summarized below:

Interim Financial Statements

We prepared the accompanying unaudited consolidated financial statements of the Company according to accounting principles generally accepted in the United States (“U.S. GAAP”) for interim financial information and the instructions to the Quarterly Report on Form 10-Q and Rule 10-01 of Regulation S-X. This means that they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. Our unaudited interim consolidated financial statements contain all material adjustments (including normal recurring accruals and adjustments) management believes are necessary to fairly state our financial condition, results of operations, and cash flows for the periods presented.

These interim consolidated financial statements should be read together with the consolidated financial statements and related notes included in our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the Securities and Exchange Commission ("SEC") on May 26, 2023. The Consolidated Balance Sheet at March 31, 2023 was derived from the audited consolidated financial statements at that date, but does not include all of the information and footnotes required by U.S. GAAP for complete financial statements.

Principles of Consolidation

We use the consolidation method to report our investment in our subsidiaries. Therefore, the accompanying consolidated financial statements include the accounts of the Company and its wholly-owned and majority-owned subsidiaries. We eliminate intercompany accounts and transactions when we consolidate these accounts. Investments in equity of unconsolidated affiliates, over which the Company has significant influence, but not control, over the financial and operating polices, are accounted for primarily using the equity method. These investments are immaterial to the Company's consolidated financial statements.

Use of Estimates

We make certain estimates and assumptions when preparing financial statements according to U.S. GAAP that affect the reported amounts of assets and liabilities at the financial statement dates and the reported amounts of revenues and expenses during the periods presented. These estimates and assumptions involve judgments with respect to many factors that are difficult to predict and are beyond our control. Actual results could be materially different from these estimates. We revise the estimates and assumptions as new information becomes available. This means that operating results for the three and nine month periods ended December 31, 2023 are not necessarily indicative of results that may be expected for future quarters or for the full fiscal year ending March 31, 2024.

Revenue Recognition and Associated Liabilities

Revenue is recognized when obligations under the terms of the contract are satisfied and control of the promised products or services have transferred to the Customer. Revenues are measured at the amount of consideration that we expect to be paid in exchange for the products or services. Product revenue is recognized when control passes to the Customer, which is generally based on contract or shipping terms. Service revenue is recognized when the Customer benefits from the service, which occurs either upon completion of the service or as it is provided to the Customer. Our Customers include end users as well as dealers and distributors who market and sell our products. Our revenue is not contingent upon resale by the dealer or distributor, and we have no further obligations related to bringing about resale. Our standard return and restocking fee policies are applied to sales of products. Shipping and handling costs charged to Customers are included in Product revenues. The associated

9

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

expenses are treated as fulfillment costs and are included in Cost of revenues. Revenues are reported net of sales and value-added taxes collected from Customers.

We have individual Customer contracts that offer discounted pricing. Dealers and distributors may be offered sales incentives in the form of rebates. We reduce revenue for discounts and estimated returns, rebates, and other similar allowances in the same period the related revenues are recorded. The reduction in revenue for these items is estimated based on historical experience and trend analysis to the extent that it is probable that a significant reversal of revenue will not occur. Estimated returns are recorded gross on the Consolidated Balance Sheets.

In transactions that contain multiple performance obligations, such as when products, maintenance services, and other services are combined, we recognize revenue as each product is delivered or service is provided to the Customer. We allocate the total arrangement consideration to each performance obligation based on its relative standalone selling price, which is the price for the product or service when it is sold separately.

Payment terms vary by the type and location of the Customer and the products or services offered. Generally, the time between when revenue is recognized and when payment is due is not significant. We do not evaluate whether the selling price contains a financing component for contracts that have a duration of less than one year.

We do not capitalize sales commissions as substantially all of our sales commission programs have an amortization period of one year or less.

Certain costs to fulfill a contract are capitalized and amortized over the term of the contract if they are recoverable, directly related to a contract and generate resources that we will use to fulfill the contract in the future. At December 31, 2023, assets related to costs to fulfill a contract were not material to our consolidated financial statements.

Refer to Note 9 titled, "Business Segment Information" for disaggregation of revenue.

Product Revenues

Product revenues consist of revenues generated from sales of consumables and capital equipment. These contracts are primarily based on a Customer’s purchase order and may include a Distributor, Dealer or Group Purchasing Organization ("GPO") agreement. We recognize revenue for sales of products when control passes to the Customer, which generally occurs either when the products are shipped or when they are received by the Customer. Revenue related to capital equipment products is deferred until installation is complete if the capital equipment and installation are highly integrated and form a single performance obligation.

Service Revenues

Within our Healthcare and Life Sciences segments, service revenues include revenue generated from parts and labor associated with the maintenance, repair and installation of capital equipment. These contracts are primarily based on a Customer’s purchase order and may include a Distributor, Dealer, or GPO agreement. For maintenance, repair and installation of capital equipment, revenue is recognized upon completion of the service. Healthcare service revenues also include outsourced reprocessing services and instrument repairs. Contracts for outsourced reprocessing services are primarily based on an agreement with a Customer, ranging in length from several months to 15 years. Outsourced reprocessing services revenue is recognized ratably over the contract term using a time-based input measure, adjusted for volume and other performance metrics, to the extent that it is probable that a significant reversal of revenue will not occur. Contracts for instrument repairs are primarily based on a Customer’s purchase order, and the associated revenue is recognized upon completion of the repair.

We also offer preventive maintenance and separately priced extended warranty agreements to our Customers, which require us to maintain and repair our products over the duration of the contract. Generally, these contract terms are cancellable without penalty and range from one to five years. Amounts received under these Customer contracts are initially recorded as a service liability and are recognized as service revenue ratably over the contract term using a time-based input measure.

Within our AST segment, service revenues include contract sterilization and laboratory services. Sales contracts for contract sterilization and laboratory services are primarily based on a Customer’s purchase order and associated Customer agreement, and revenues are generally recognized upon completion of the service.

10

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

Contract Liabilities

Payments received from Customers are based on invoices or billing schedules as established in contracts with Customers. Deferred revenue is recorded when payment is received in advance of performance under the contract. Deferred revenue is recognized as revenue upon completion of the performance obligation, which generally occurs within one year. During the first nine months of fiscal 2024, $70,181 of the March 31, 2023 deferred revenue balance was recorded as revenue. During the first nine months of fiscal 2023, $76,861 of the March 31, 2022 deferred revenue balance was recorded as revenue.

Refer to Note 6 titled, "Additional Consolidated Balance Sheet Information" for deferred revenue balances.

Service Liabilities

Payments received in advance of performance for cancellable preventive maintenance and separately priced extended warranty contracts are recorded as service liabilities. Service liabilities are recognized as revenue as performance is rendered under the contract.

Refer to Note 6 titled, "Additional Consolidated Balance Sheet Information" for service liability balances.

Remaining Performance Obligations

Remaining performance obligations reflect only the performance obligations related to agreements for which we have a firm commitment from a Customer to purchase and exclude variable consideration related to unsatisfied performance obligations. With regard to products, these remaining performance obligations include orders for capital equipment and consumables where control of the product has not passed to the Customer. With regard to service, these remaining performance obligations primarily include installation, certification, and outsourced reprocessing services. As of December 31, 2023, the transaction price allocated to remaining performance obligations was approximately $1,555,119. We expect to recognize approximately 56% of the transaction price within one year and approximately 32% beyond one year. The remainder has yet to be scheduled for delivery.

11

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

Recently Issued Accounting Standards Impacting the Company

Recently Issued Accounting Standards Impacting the Company are presented in the following table:

Standard	Date of Issuance	Description	Date of Adoption	Effect on the financial statements or other significant matters
Standards that have been adopted in fiscal 2024
ASU 2022-04 "Liabilities - Supplier Finance Programs (Subtopic 405-50) Disclosure of Supplier Finance Program Obligations."	September 2022	The standard provides guidance to enhance the transparency of disclosures for entities that utilize supplier finance programs to include information about the key terms of the programs and present a rollforward of any obligations under the program where those obligations are presented in the balance sheet.	Fiscal 2024	We adopted this standard in fiscal 2024 with no material impact to our consolidated financial statements.
Standards that have not yet been adopted
ASU 2023-07 "Segment Reporting (Topic 280) Improvements to Reportable Segment Disclosures."	November 2023	The standard provides guidance to enhance disclosures related to reportable segment expenses, including requirements to disclose significant segment expenses that are regularly provided to the Chief Operating Decision Maker ("CODM"), the title and position of the CODM and a description of how the CODM uses the information to make decisions regarding the allocation of resources. The standard also requires disclosure of certain segment information currently required annually to be reported on an interim basis. The amendments in this standard are effective for annual periods beginning after December 15, 2023 and interim periods within fiscal years beginning after December 15, 2024.	NA	We are in the process of evaluating the impact that the standard will have on our consolidated financial statements.
ASU 2023-09 "Income Taxes (Topic 740) Improvements to Income Tax Disclosures."	December 2023	The standard provides guidance to enhance disclosures related to income taxes paid (net of refunds), requiring disaggregation by federal, state, and foreign, and disclosure of income taxes paid (net of refunds received) by individual jurisdictions that represent greater than 5 percent of the total. The standard also requires disclosure of income (loss) from continuing operations before income taxes, disaggregated between domestic and foreign, and income tax expense (or benefit) disaggregated by federal, state, and foreign. Finally, the standard removes the requirement for certain disclosures related to changes in unrecognized tax benefits and certain amounts of temporary differences. The amendments in this standard are effective for annual periods beginning after December 15, 2024.	NA	We are in the process of evaluating the impact that the standard will have on our consolidated financial statements.

A detailed description of our significant and critical accounting policies, estimates, and assumptions is included in our consolidated financial statements in our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023. Our significant and critical accounting policies, estimates, and assumptions have not changed materially from March 31, 2023.

12

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

2. Business Acquisitions

On August 2, 2023, we purchased the surgical instrumentation, laparoscopic instrumentation and sterilization container assets from BD (Becton, Dickinson and Company) (NYSE: BDX). The acquired assets from BD are being integrated into our Healthcare segment.

The purchase price of the acquisition was $539,758. The acquisition also qualified for a tax benefit related to tax deductible goodwill, with a present value of approximately $60,000. The purchase price of the acquisition was financed with borrowings from our existing credit facility. For more information, refer to Note 5 titled, "Debt."

The table below summarizes the preliminary allocation of the purchase price to the net assets acquired from BD based on fair values at the acquisition date.

	September 30, 2023 (As Previously Reported)		Adjustments		December 31, 2023(1)
Inventory	27,006		4,721		31,727
Property, plant, and equipment	6,755		1,109		7,864
Intangible assets	303,598		(598)		303,000
Goodwill	202,399		(5,232)		197,167
Total assets acquired	539,758		—		539,758
Net assets acquired	$	539,758	$	—	$	539,758

(1) Purchase price allocation is preliminary as of December 31, 2023, as valuations have not been finalized.

During the first nine months of fiscal 2023, we completed several tuck-in acquisitions, which continued to expand our product and service offerings in the AST and Healthcare segments. Total aggregate consideration was approximately $40,720, including contingent deferred consideration of $6,700.

Acquisition and integration expenses totaled $5,722 and $24,444 for the three and nine months ended December 31, 2023, respectively. Acquisition and integration expenses totaled $4,817 and $18,493 for the three and nine months ended December 31, 2022, respectively. The increase in acquisition and integration expenses for the three and nine months ended December 31, 2023 is primarily due to charges related to the acquisition of assets from BD and a fair value adjustment in the second quarter of fiscal 2024 related to a building held for sale from a previous acquisition. Acquisition and integration expenses are reported in the Selling, general and administrative expenses line of our Consolidated Statements of Income (Loss) and include, but are not limited to, investment banker, advisory, legal and other professional fees, and certain employee-related expenses.

13

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

3. Inventories, Net

Inventories are stated at the lower of their cost and net realizable value determined by the first-in, first-out (“FIFO”) cost method. Inventory costs include material, labor, and overhead. Inventories, net consisted of the following:

	December 31, 2023		March 31, 2023
Raw materials	$	303,691	$	239,081
Work in process	117,882		97,756
Finished goods	492,005		404,238
Reserve for excess and obsolete inventory	(57,961)		(45,582)
Inventories, net	$	855,617	$	695,493

4. Property, Plant, and Equipment

Information related to the major categories of our depreciable assets is as follows:

	December 31, 2023		March 31, 2023
Land and land improvements (1)	$	97,381	$	84,313
Buildings and leasehold improvements	756,059		691,933
Machinery and equipment	1,100,273		994,188
Information systems	260,639		247,873
Radioisotope	679,436		637,920
Construction in progress (1)	512,370		478,316
Total property, plant, and equipment	3,406,158		3,134,543
Less: accumulated depreciation and depletion	(1,561,674)		(1,429,031)
Property, plant, and equipment, net	$	1,844,484	$	1,705,512

(1)Land is not depreciated. Construction in progress is not depreciated until placed in service.

14

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

5. Debt

Indebtedness was as follows:

	December 31, 2023		March 31, 2023
Short-term debt
Term Loan, current portion	$	37,813	$	27,500
Delayed Draw Term Loan, current portion	40,625		32,500
Total short-term debt	$	78,438	$	60,000
Long-term debt
Private Placement Senior Notes	$	755,020	$	750,302
Revolving Credit Facility	569,974		301,672
Deferred financing costs	(18,607)		(21,444)
Term Loan	14,063		45,000
Delayed Draw Term Loan	560,625		593,125
Senior Public Notes	1,350,000		1,350,000
Total long-term debt	$	3,231,075	$	3,018,655
Total debt	$	3,309,513	$	3,078,655

Additional information regarding our indebtedness is included in the notes to our consolidated financial statements included in our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

15

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

6. Additional Consolidated Balance Sheet Information

Additional information related to our Consolidated Balance Sheets is as follows:

	December 31, 2023		March 31, 2023
Accrued payroll and other related liabilities:
Compensation and related items	$	68,083	$	48,565
Accrued vacation/paid time off	16,798		11,080
Accrued bonuses	59,161		33,605
Accrued employee commissions	31,569		29,257
Other postretirement benefit obligations-current portion	1,121		1,121
Other employee benefit plans obligations-current portion	2,106		2,014
Total accrued payroll and other related liabilities	$	178,838	$	125,642
Accrued expenses and other:
Deferred revenues	$	90,373	$	92,283
Service liabilities	80,620		72,033
Self-insured risk reserves-current portion	12,549		11,325
Accrued dealer commissions	36,386		31,096
Accrued warranty	14,951		13,683
Asset retirement obligation-current portion	535		543
Accrued interest	20,464		9,243
Other	62,219		87,611
Total accrued expenses and other	$	318,097	$	317,817
Other liabilities:
Self-insured risk reserves-long-term portion	$	22,171	$	22,171
Other postretirement benefit obligations-long-term portion	5,778		6,070
Defined benefit pension plans obligations-long-term portion	3,214		2,876
Other employee benefit plans obligations-long-term portion	1,206		1,153
Accrued long-term income taxes	10,129		10,082
Asset retirement obligation-long-term portion	13,182		12,588
Other	22,709		21,197
Total other liabilities	$	78,389	$	76,137

7. Income Taxes

The effective income tax rates for the three month periods ended December 31, 2023 and 2022 were 21.4% and 23.1%, respectively. The fiscal 2024 effective tax rate for the three months ended December 31, 2023 decreased when compared to the prior year period, primarily due to favorable discrete items recognized during fiscal 2024. The effective income tax rates for the nine month periods ended December 31, 2023 and 2022 were 21.8% and (114.8)%, respectively. The fiscal 2024 effective tax rate for the nine months ended December 31, 2023 increased when compared to the prior year period, primarily due to the tax impact of the goodwill impairment loss recognized on the Dental segment during fiscal 2023.

Income tax expense (benefit) is provided on an interim basis based upon our estimate of the annual effective income tax rate, adjusted each quarter for discrete items. In determining the estimated annual effective income tax rate, we analyze various factors, including projections of our annual earnings and taxing jurisdictions in which the earnings will be generated, the impact of state and local income taxes, our ability to use tax credits and net operating loss carry forwards, and available tax planning alternatives.

We operate in numerous taxing jurisdictions and are subject to regular examinations by various United States federal, state and local, as well as foreign jurisdictions. We are no longer subject to United States federal examinations for years before fiscal

16

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

2018 and, with limited exceptions, we are no longer subject to United States state and local, or non-United States, income tax examinations by tax authorities for years before fiscal 2017. We remain subject to tax authority audits in various jurisdictions wherever we do business.

In the fourth quarter of fiscal 2021, we completed an appeals process with the U.S. Internal Revenue Service (the “IRS”) regarding proposed audit adjustments related to deductibility of interest paid on intercompany debt for fiscal years 2016 through 2017. An agreement was reached on final interest rates, which also impacts subsequent years through 2020. We estimate the total federal, state, and local tax impact of the settlement to be approximately $12,000, for the fiscal years 2016 through 2020, of which approximately $11,600 has been paid through December 31, 2023.

In November 2023, we received two Notices of Deficiency from the IRS regarding the previously disclosed deemed dividend inclusions and associated withholding tax matter. The notices relate to the fiscal and calendar year 2018. The IRS adjustments would result in a cumulative tax liability of approximately $50,000. We are contesting the IRS’s assertions and have filed petitions with the U.S. Tax Court. We have not established reserves related to these notices. An unfavorable outcome is not expected to have a material adverse impact on our consolidated financial position but could be material to our consolidated results of operations and cash flows for any one period.

8. Commitments and Contingencies

We are, and will likely continue to be, involved in a number of legal proceedings, government investigations, and claims, which we believe generally arise in the course of our business given our size, history, complexity, and the nature of our business, products, Customers, regulatory environment, and industries in which we participate. These legal proceedings, investigations and claims generally involve a variety of legal theories and allegations, including, without limitation, personal injury (e.g., slip and falls, burns, vehicle accidents), product liability or regulation (e.g., based on product operation or claimed malfunction, failure to warn, failure to meet specification, or failure to comply with regulatory requirements), product exposure (e.g., claimed exposure to chemicals, gases, asbestos, contaminants, radiation), property damage (e.g., claimed damage due to leaking equipment, fire, vehicles, chemicals), commercial claims (e.g., breach of contract, economic loss, warranty, misrepresentation), financial (e.g., taxes, reporting), employment (e.g., wrongful termination, discrimination, benefits matters), and other claims for damage and relief.

We believe we have adequately reserved for our current litigation and claims that are probable and estimable, and further believe that the ultimate outcome of these pending lawsuits and claims will not have a material adverse effect on our consolidated financial position or results of operations taken as a whole. Due to their inherent uncertainty, however, there can be no assurance of the ultimate outcome or effect of current or future litigation, investigations, claims or other proceedings (including without limitation the matters discussed below). For certain types of claims, we presently maintain insurance coverage for personal injury and property damage and other liability coverages in amounts and with deductibles that we believe are prudent, but there can be no assurance that these coverages will be applicable or adequate to cover adverse outcomes of claims or legal proceedings against us.

Civil, criminal, regulatory or other proceedings involving our products or services could possibly result in judgments, settlements or administrative or judicial decrees requiring us, among other actions, to pay damages or fines or affect recalls, or be subject to other governmental, Customer or other third party claims or remedies, which could materially affect our business, performance, prospects, value, financial condition, and results of operations.

For additional information regarding these matters, see the following portions of our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023, Item 1 titled "Business - Information with respect to our Business in General - Government Regulation" and the "Risk Factors" in Item 1A titled "Product and service related regulations and claims."

From time to time, STERIS is also involved in legal proceedings as a plaintiff involving contract, patent protection, and other claims asserted by us. Gains, if any, from these proceedings are recognized when they are realized.

We are subject to taxation from United States federal, state and local, and foreign jurisdictions. Tax positions are settled primarily through the completion of audits within each individual jurisdiction or the closing of statutes of limitation. Changes in applicable tax law or other events may also require us to revise past estimates. We describe income taxes further in Note 7 to our consolidated financial statements titled, “Income Taxes” in this Quarterly Report on Form 10-Q.

17

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

9. Business Segment Information

We operate and report our financial information in four reportable business segments: Healthcare, AST, Life Sciences and Dental. Non-allocated operating costs that support the entire Company and items not indicative of operating trends are excluded from segment operating income.

Our Healthcare segment provides a comprehensive offering for healthcare providers worldwide, focused on sterile processing departments and procedural centers, such as operating rooms and endoscopy suites. Our products and services range from infection prevention consumables and capital equipment, as well as services to maintain that equipment; to the repair of re-usable procedural instruments; to outsourced instrument reprocessing services. In addition, our procedural products also include endoscopy accessories, instruments, and capital equipment infrastructure used primarily in operating rooms, ambulatory surgery centers, endoscopy suites, and other procedural areas.

Our AST segment is a third-party service provider for contract sterilization as well as testing services needed to validate sterility services for medical device and pharmaceutical manufacturers. Our technology-neutral offering supports Customers every step of the way, from testing through sterilization.

Our Life Sciences segment provides a comprehensive offering of products and services that support pharmaceutical manufacturing, primarily for vaccine and other biopharma Customers focused on aseptic manufacturing. These solutions include a full suite of consumable products, equipment maintenance and specialty services, and capital equipment.

Our Dental segment provides a comprehensive offering for dental practitioners and dental schools, offering instruments, infection prevention consumables and instrument management systems.

We disclose a measure of segment income that is consistent with the way management operates and views the business. The accounting policies for reportable segments are the same as those for the consolidated Company.

For the three and nine months ended December 31, 2023 and 2022, revenues from a single Customer did not represent ten percent or more of the Healthcare, AST or Life Sciences segment revenues. Three Customers collectively and consistently account for more than 40.0% of our Dental segment revenue. The percentage associated with these three Customers collectively in any one period may vary due to the buying patterns of these three Customers as well as other Dental Customers. These three Customers collectively accounted for approximately 47.5% and 44.5% of our Dental segment revenues for the three and nine months ended December 31, 2023, respectively. These three Customers collectively accounted for approximately 47.2% and 43.8% of our Dental segment revenues for the three and nine months ended December 31, 2022, respectively.

Additional information regarding our segments is included in our consolidated financial statements included in our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

18

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

Financial information for each of our segments is presented in the following table:

	Three Months Ended December 31,				Nine Months Ended December 31,
	2023		2022		2023		2022
Revenues:
Healthcare	$	916,227	$	769,144	$	2,605,157	$	2,200,483
AST	234,931		222,014		703,083		675,283
Life Sciences	146,566		121,273		411,074		379,248
Dental	97,921		103,563		303,233		317,988
Total revenues	$	1,395,645	$	1,215,994	$	4,022,547	$	3,573,002
Operating income (loss):
Healthcare	$	223,898	$	175,399	$	626,134	$	497,233
AST	105,156		103,539		325,529		323,238
Life Sciences	56,738		45,249		156,863		149,173
Dental	18,292		20,337		64,847		67,992
Corporate	(81,359)		(53,873)		(261,265)		(196,872)
Total operating income	$	322,725	$	290,651	$	912,108	$	840,764
Less: Adjustments
Amortization of acquired intangible assets (1)	$	93,850	$	93,941	$	286,786	$	281,727
Acquisition and integration related charges (2)	5,722		4,817		24,444		18,493
Tax restructuring costs (3)	643		282		652		533
Gain on fair value adjustment of acquisition related contingent consideration (1)	—		—		—		(3,100)
Net (gain) loss on divestiture of businesses (1)	—		(838)		—		3,939
Amortization of inventory and property "step up" to fair value (1)	6,348		1,608		9,329		5,697
Restructuring charges (4)	6		38		2		127
Goodwill impairment loss (5)	—		—		—		490,565
Total income from operations	$	216,156	$	190,803	$	590,895	$	42,783

(1) For more information regarding our recent acquisitions and divestitures, refer to Note 2 titled, "Business Acquisitions and Divestitures" included in our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

(2) Acquisition and integration related charges include transaction costs and integration expenses associated with acquisitions.

(3) Costs incurred in tax restructuring.

(4) For more information regarding our restructuring efforts, refer to our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

(5) For more information regarding our goodwill impairment loss, see Note 17 to our consolidated financial statements titled, "Goodwill and Intangible Assets."

19

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

Additional information regarding our fiscal 2024 and fiscal 2023 revenue is disclosed in the following tables:

	Three Months Ended December 31,				Nine Months Ended December 31,
	2023		2022		2023		2022
Healthcare:
Capital equipment	$	266,838	$	227,226	$	759,842	$	618,844
Consumables	329,435		259,810		915,741		757,892
Service	319,954		282,108		929,574		823,747
Total Healthcare Revenues	$	916,227	$	769,144	$	2,605,157	$	2,200,483
AST:
Capital equipment	$	5,241	$	3,679	$	7,869	$	14,783
Service	229,690		218,335		695,214		660,500
Total AST Revenues	$	234,931	$	222,014	$	703,083	$	675,283
Life Sciences:
Capital equipment	$	44,836	$	28,581	$	111,265	$	99,095
Consumables	60,072		55,610		181,179		172,587
Service	41,658		37,082		118,630		107,566
Total Life Sciences Revenues	$	146,566	$	121,273	$	411,074	$	379,248
Dental Revenues	$	97,921	$	103,563	$	303,233	$	317,988
Total Revenues	$	1,395,645	$	1,215,994	$	4,022,547	$	3,573,002

	Three Months Ended December 31,				Nine Months Ended December 31,
	2023		2022		2023		2022
Revenues:
Ireland	$	19,651	$	17,959	$	60,175	$	53,130
United States	1,025,458		883,390		2,948,878		2,589,472
Other locations	350,536		314,645		1,013,494		930,400
Total Revenues	$	1,395,645	$	1,215,994	$	4,022,547	$	3,573,002

10. Shares and Preferred Shares

Ordinary shares

We calculate basic earnings per share based upon the weighted average number of shares outstanding. We calculate diluted earnings per share based upon the weighted average number of shares outstanding plus the dilutive effect of share equivalents calculated using the treasury stock method.

The following is a summary of shares and share equivalents outstanding used in the calculations of basic and diluted earnings per share:

	Three Months Ended December 31,		Nine Months Ended December 31,
Denominator (shares in thousands):	2023	2022	2023	2022
Weighted average shares outstanding—basic	98,802	99,716	98,765	99,922
Dilutive effect of share equivalents(1)	552	450	568	—
Weighted average shares outstanding and share equivalents—diluted	99,354	100,166	99,333	99,922

(1) The dilutive effect of share equivalents is excluded from the calculation of diluted earnings per share for the nine months ended December 31, 2022 due to our net loss for that period.

20

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

Options to purchase the following number of shares were outstanding but excluded from the computation of diluted earnings per share because the combined exercise prices, unamortized fair values, and assumed tax benefits upon exercise were greater than the average market price for the shares during the periods, so including these options would be anti-dilutive:

	Three Months Ended December 31,		Nine Months Ended December 31,
(shares in thousands)	2023	2022	2023	2022
Number of share options	654	797	649	577

Additional Authorized Shares

 The Company has an additional authorized share capital of 50,000,000 preferred shares of $0.001 par value each, plus 25,000 deferred ordinary shares of €1.00 par value each, in order to satisfy minimum statutory capital requirements for all Irish public limited companies.

11. Repurchases of Ordinary Shares

On May 3, 2023 our Board of Directors terminated the previous share repurchase program and authorized a new share repurchase program for the purchase of up to $500,000 (net of taxes, fees and commissions). This share repurchase program has no specified expiration date.

Under the authorization, the Company may repurchase its shares from time to time through open market purchases, including 10b5-1 plans. Any share repurchases may be activated, suspended or discontinued at any time.

During the first nine months of fiscal 2024, we had no share repurchase activity pursuant to authorizations under the share repurchase program. During the first nine months of fiscal 2023, we repurchased 775,320 of our ordinary shares for the aggregate amount of $148,306 (net of fees and commissions) pursuant to the authorizations under the share repurchase program.

During the first nine months of fiscal 2024, we obtained 69,276 of our ordinary shares in the aggregate amount of $11,440 in connection with share-based compensation award programs. During the first nine months of fiscal 2023, we obtained 74,897 of our ordinary shares in the aggregate amount of $13,060 in connection with share-based compensation award programs.

12. Share-Based Compensation

We maintain a long-term incentive plan that makes available shares for grants, at the discretion of the Board of Directors or the Compensation and Organizational Development Committee of the Board of Directors, to officers, directors, and key employees in the form of stock options, restricted shares, restricted share units, stock appreciation rights and share grants. We satisfy share award incentives through the issuance of new ordinary shares.

Stock options provide the right to purchase our shares at the market price on the date of grant, or for options granted to employees in fiscal 2019 and thereafter, 110% of the market price on the date of grant, subject to the terms of the plan and agreements. Generally, one-fourth of the stock options granted to employees become exercisable for each full year of employment following the grant date. Stock options granted generally expire 10 years after the grant date, or in some cases earlier if the option holder is no longer employed by us. Restricted shares and restricted share units generally cliff vest after a three or four year period or vest in equal tranches for each year of employment after the grant date. As of December 31, 2023, 2,368,027 ordinary shares remained available for grant under the long-term incentive plan.

The fair value of share-based stock option compensation awards was estimated at their grant date using the Black-Scholes-Merton option pricing model. This model was developed for use in estimating the fair value of traded options that have no vesting restrictions and are fully transferable, characteristics that are not present in our option grants. If the model permitted consideration of the unique characteristics of employee stock options, the resulting estimate of the fair value of the stock options could be different. The value of the portion of the award that is ultimately expected to vest is recognized as expense over the requisite service periods, which may be impacted by retirement eligibility, in our Consolidated Statements of Income (Loss). The expense is classified as Cost of revenues or Selling, general and administrative expenses in a manner consistent with the employee’s compensation and benefits.

21

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

The following weighted average assumptions were used for options granted during the first nine months of fiscal 2024 and 2023:

	Fiscal 2024		Fiscal 2023
Risk-free interest rate	3.59	%	2.44	%
Expected life of options	6.0 years		5.9 years
Expected dividend yield of stock	1.08	%	0.80	%
Expected volatility of stock	27.92	%	24.49	%

The risk-free interest rate is based upon the U.S. Treasury yield curve. The expected life of options is reflective of historical experience, vesting schedules and contractual terms. The expected dividend yield of stock represents our best estimate of the expected future dividend yield. The expected volatility of stock is derived by referring to our historical stock prices over a time frame similar to that of the expected life of the grant. An estimated forfeiture rate of 2.22% and 2.54% was applied in fiscal 2024 and 2023, respectively. This rate is calculated based upon historical activity and represents an estimate of the granted options not expected to vest. If actual forfeitures differ from this calculated rate, we may be required to make additional adjustments to compensation expense in future periods. The assumptions used above are reviewed at the time of each significant option grant, or at least annually.

A summary of share option activity is as follows:

	Number of Options	Weighted Average Exercise Price Per Share		Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at March 31, 2023	1,749,729	$	154.60
Granted	253,946	220.24
Exercised	(53,881)	60.54
Forfeited	(3,415)	199.26
Outstanding at December 31, 2023	1,946,379	$	165.69	6.1 years	$	112,785
Exercisable at December 31, 2023	1,343,419	$	139.95	5.1 years	$	109,367

We estimate that 591,310 of the non-vested stock options outstanding at December 31, 2023 will ultimately vest.

The aggregate intrinsic value in the table above represents the total pre-tax difference between the $219.85 closing price of our ordinary shares on December 31, 2023 over the exercise prices of the stock options, multiplied by the number of options outstanding or outstanding and exercisable, as applicable. The aggregate intrinsic value is not recorded for financial accounting purposes, and the value changes daily based on the daily changes in the fair market value of our ordinary shares.

The total intrinsic value of stock options exercised during the first nine months of fiscal 2024 and fiscal 2023 was $8,350 and $4,638, respectively. Net cash proceeds from the exercise of stock options were $3,526 and $1,497 for the first nine months of fiscal 2024 and fiscal 2023, respectively.

The weighted average grant date fair value of stock option grants was $54.60 and $50.72 for the first nine months of fiscal 2024 and fiscal 2023, respectively.

22

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

A summary of the non-vested restricted share and share unit activity is presented below:

	Number of Restricted Shares	Number of Restricted Share Units	Weighted Average Grant Date Fair Value
Non-vested at March 31, 2023	450,793	28,542	$	186.60
Granted	173,074	18,344	201.48
Vested	(146,912)	(15,408)	163.81
Forfeited	(13,714)	(1,419)	194.71
Non-vested at December 31, 2023	463,241	30,059	$	199.57

Restricted shares and restricted share unit grants are valued based on the closing stock price at the grant date. The value of restricted shares and units at the time of grant that vested during the first nine months of fiscal 2024 was $26,487.

As of December 31, 2023, there was a total of $68,670 in unrecognized compensation cost related to non-vested share-based compensation granted under our share-based compensation plans. We expect to recognize the cost over a weighted average period of 1.8 years.

Cantel Share Based Compensation Plan

In connection with the acquisition of Cantel, outstanding, non-vested Cantel restricted share units were replaced with STERIS restricted share units.

As of December 31, 2023, there was a total of $16 in unrecognized compensation cost related to non-vested STERIS restricted share units awarded to replace Cantel restricted share units. We expect to recognize the remaining cost by the fourth quarter of fiscal 2024.

A summary of the non-vested restricted share units activity associated with the Cantel share-based compensation plans is presented below:

	Number of Restricted Share Units	Weighted Average Grant Date Fair Value
Non-vested at March 31, 2023	15,670	$	191.18
Vested	(14,358)	191.18
Forfeited	(762)	191.18
Non-vested at December 31, 2023	550	$	191.18

13. Financial and Other Guarantees

We generally offer a limited parts and labor warranty on capital equipment. The specific terms and conditions of those warranties vary depending on the product sold and the countries where we conduct business. We record a liability for the estimated cost of product warranties at the time product revenues are recognized. The amounts we expect to incur on behalf of our Customers for the future estimated cost of these warranties are recorded as a current liability on the accompanying Consolidated Balance Sheets. Factors that affect the amount of our warranty liability include the number and type of installed units, historical and anticipated rates of product failures, and material and service costs per claim. We periodically assess the adequacy of our recorded warranty liabilities and adjust the amounts as necessary.

Changes in our warranty liability during the first nine months of fiscal 2024 were as follows:

	Warranties
Balance at March 31, 2023	$	13,683
Warranties issued during the period	12,519
Settlements made during the period	(11,251)
Balance at December 31, 2023	$	14,951

23

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

14. Derivatives and Hedging

From time to time, we enter into forward contracts to hedge potential foreign currency gains and losses that arise from transactions denominated in foreign currencies, including intercompany transactions. We may also enter into commodity swap contracts to hedge price changes in nickel that impact raw materials included in our Cost of revenues. During the third quarter of fiscal 2024, we also held forward foreign currency contracts to hedge a portion of our expected non-U.S. dollar-denominated earnings against our reporting currency, the U.S. dollar. These foreign currency exchange contracts will mature in fiscal 2024. We did not elect hedge accounting for these forward foreign currency contracts; however, we may seek to apply hedge accounting in future scenarios. We do not use derivative financial instruments for speculative purposes.

These contracts are not designated as hedging instruments and do not receive hedge accounting treatment; therefore, changes in their fair value are not deferred but are recognized immediately in the Consolidated Statements of Income (Loss). At December 31, 2023, we held net foreign currency forward contracts to buy 42.0 million British pounds sterling; and to sell 49.9 million Mexican pesos, 24.0 million Australian dollars, and 18.1 million euros. At December 31, 2023, we held commodity swap contracts to buy 188.3 thousand pounds of nickel.

	Asset Derivatives				Liability Derivatives
	Fair Value at		Fair Value at		Fair Value at		Fair Value at
Balance sheet location	December 31, 2023		March 31, 2023		December 31, 2023		March 31, 2023
Prepaid & other	$	742	$	378	$	—	$	—
Accrued expenses and other	$	—	$	—	$	1,701	$	2,054

The following table presents the impact of derivative instruments and their location within the Consolidated Statements of Income (Loss):

	Location of gain (loss) recognized in income	Amount of gain (loss) recognized in income
		Three Months Ended December 31,				Nine Months Ended December 31,
		2023		2022		2023		2022
Foreign currency forward contracts	Selling, general and administrative	$	(292)	$	952	$	1,226	$	5,581
Commodity swap contracts	Cost of revenues	$	(316)	$	1,189	$	(1,708)	$	(1,994)

24

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

15. Fair Value Measurements

Fair value is defined as the price that would be received to sell an asset or that would be paid to transfer a liability in an orderly transaction between market participants at the measurement date. We estimate the fair value of financial assets and liabilities using available market information and generally accepted valuation methodologies. The inputs used to measure fair value are classified into three tiers. These tiers include Level 1, defined as observable inputs such as quoted prices in active markets; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring the entity to develop its own assumptions.

The following table shows the fair value of our financial assets and liabilities at December 31, 2023 and March 31, 2023:

					Fair Value Measurements
	Carrying Value				Quoted Prices in Active Markets for Identical Assets				Significant Other Observable Inputs				Significant Unobservable Inputs
					Level 1				Level 2				Level 3
	December 31,		March 31,		December 31,		March 31,		December 31,		March 31,		December 31,		March 31,
Assets:
Cash and cash equivalents	$	195,585	$	208,357	$	195,585	$	208,357	$	—	$	—	$	—	$	—
Forward and swap contracts (1)	742		378		—		—		742		378		—		—
Equity investments(2)	8,099		7,069		8,099		7,069		—		—		—		—
Other investments	2,919		2,066		2,919		2,066		—		—		—		—
Liabilities:
Forward and swap contracts (1)	$	1,701	$	2,054	$	—	$	—	$	1,701	$	2,054	$	—	$	—
Deferred compensation plans (2)	1,082		1,022		1,082		1,022		—		—		—		—
Debt (3)	3,309,513		3,078,655		—		—		3,039,581		2,754,218		—		—
Contingent consideration obligations (4)	10,801		15,678		—		—		—		—		10,801		15,678

(1) The fair values of forward and swap contracts are based on period-end forward rates and reflect the value of the amount that we would pay or receive for the contracts involving the same notional amounts and maturity dates.

(2) We maintain a frozen domestic non-qualified deferred compensation plan covering certain employees, which allowed for the deferral of payment of previously earned compensation for an employee-specified term or until retirement or termination. Amounts deferred can be allocated to various hypothetical investment options (compensation deferrals have been frozen under the plan). We hold investments to satisfy the future obligations of the plan. Employees who made deferrals are entitled to receive distributions of their hypothetical account balances (amounts deferred, together with earnings (losses)). We also hold an investment in the common stock of Servizi Italia, S.p.A, a leading provider of integrated linen washing and outsourced sterile processing services to hospital Customers. Changes in the fair value of these investments are recorded in the "Interest and miscellaneous (income) expense" line of the Consolidated Statements of Income (Loss). During the third quarter and first nine months of fiscal 2024, we recorded gains of $881 and $1,019, respectively, related to these investments. During the third quarter and first nine months of fiscal 2023, we recorded (losses) gains of $(342) and $1,385,respectively, related to these investments.

(3) We estimate the fair value of our debt using discounted cash flow analyses, based on estimated current incremental borrowing rates for similar types of borrowing arrangements.

(4) Contingent consideration obligations arise from prior business acquisitions. The fair values are based on discounted cash flow analyses reflecting the possible achievement of specified performance measures or events and captures the contractual nature of the contingencies, commercial risk, and the time value of money. Contingent consideration obligations are classified in the consolidated balance sheets as accrued expense (short-term) and other liabilities (long-term), as appropriate based on the contractual payment dates.

25

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

The changes in Level 3 assets and liabilities measured at fair value on a recurring basis at December 31, 2023 are summarized as follows:

	Contingent Consideration
Balance at March 31, 2023	$	15,678
Additions	1,087
Payments	(5,947)
Currency translation adjustments	(17)
Balance at December 31, 2023	$	10,801

26

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

16. Reclassifications Out of Accumulated Other Comprehensive Income (Loss)

Amounts in Accumulated Other Comprehensive Income (Loss) are presented net of the related tax. Currency Translation is not adjusted for income taxes. Changes in our Accumulated Other Comprehensive Income (Loss) balances, net of tax, for the three and nine months ended December 31, 2023 and 2022 were as follows:

	Defined Benefit Plans (1)				Currency Translation (2)				Total Accumulated Other Comprehensive Loss
	Three Months		Nine Months		Three Months		Nine Months		Three Months		Nine Months
Beginning Balance	$	129	$	12	$	(386,864)	$	(320,722)	$	(386,735)	$	(320,710)
Other Comprehensive Income (Loss) before reclassifications	408		1,160		134,048		67,906		134,456		69,066
Amounts reclassified from Accumulated Other Comprehensive Loss	(350)		(985)		—		—		(350)		(985)
Net current-period Other Comprehensive Income (Loss)	58		175		134,048		67,906		134,106		68,081
Balance at December 31, 2023	$	187	$	187	$	(252,816)	$	(252,816)	$	(252,629)	$	(252,629)

(1) The amortization (gain) of defined benefit plan costs is reported in the Interest and miscellaneous (income) expense line of our Consolidated Statements of Income (Loss).

(2) The effective portion of gain or loss on net debt designated as non-derivative net investment hedging instruments is recognized in Accumulated Other Comprehensive Income and is reclassified to income in the same period when a gain or loss related to the net investment is included in income.

	Defined Benefit Plans (1)				Currency Translation (2)				Total Accumulated Other Comprehensive Loss
	Three Months		Nine Months		Three Months		Nine Months		Three Months		Nine Months
Beginning Balance	$	1,332	$	1,276	$	(599,480)	$	(211,084)	$	(598,148)	$	(209,808)
Other Comprehensive Income (Loss) before reclassifications	138		431		233,958		(154,438)		234,096		(154,007)
Amounts reclassified from Accumulated Other Comprehensive Loss	(111)		(348)		—		—		(111)		(348)
Net current-period Other Comprehensive Income (Loss)	27		83		233,958		(154,438)		233,985		(154,355)
Balance at December 31, 2022	$	1,359	$	1,359	$	(365,522)	$	(365,522)	$	(364,163)	$	(364,163)

1) The amortization (gain) of defined benefit plan costs is reported in the Interest and miscellaneous (income) expense line of our Consolidated Statements of Income (Loss).

(2) The effective portion of gain or loss on net debt designated as non-derivative net investment hedging instruments is recognized in Accumulated Other Comprehensive Income and is reclassified to income in the same period when a gain or loss related to the net investment is included in income.

27

STERIS PLC AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)—(Continued)

For the Three and Nine Months Ended December 31, 2023 and 2022

(dollars in thousands, except as noted)

17. Goodwill and Intangible Assets

Changes to the carrying amount of goodwill for the nine months ended December 31, 2023 and 2022 are as follows:

	Healthcare Segment		Life Sciences Segment		AST Segment		Dental Segment		Total
Balance at March 31, 2023	$	2,301,273	$	181,812	$	1,396,134	$	—	$	3,879,219
Goodwill acquired	202,399		—		—		—		202,399
Measurement period adjustments to acquired goodwill (1)	(7,805)		—		—		—		(7,805)
Foreign currency translation adjustments	12,244		2,135		23,491		—		37,870
Balance at December 31, 2023	$	2,508,111	$	183,947	$	1,419,625	$	—	$	4,111,683

	Healthcare Segment		Life Sciences Segment		AST Segment		Dental Segment		Total
Balance at March 31, 2022	$	2,326,830	$	179,288	$	1,432,858	$	465,367	$	4,404,343
Goodwill acquired	10,753		—		—		—		10,753
Measurement period adjustments to acquired goodwill (1)	(21,624)		3,147		—		40,565		22,088
Impairment	—		—		—		(490,565)		(490,565)
Divestiture	(2,358)		—		—		—		(2,358)
Foreign currency translation adjustments	(18,157)		(1,073)		(56,655)		(15,367)		(91,252)
Balance at December 31, 2022	$	2,295,444	$	181,362	$	1,376,203	$	—	$	3,853,009

1) Measurement period adjustments represent adjustments to the purchase price allocations for recent acquisitions whose allocations had been considered preliminary.

See Note 2, titled "Business Acquisitions," for additional information regarding our recent business acquisitions.

We evaluate the recoverability of recorded goodwill and indefinite-lived intangible assets annually during the third fiscal quarter, or when indicators of potential impairment exist. Our goodwill is assessed at the reporting unit level which is equivalent to the Company's reportable operating segments.

As of the period ended December 31, 2023, there were no indicators that impairment of goodwill or indefinite-lived intangible assets was more likely than not. In the prior year period, we recorded a goodwill impairment charge of $490,565 related to our Dental segment. For more information regarding the goodwill impairment loss, refer to our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

Identifiable intangible assets are reviewed for impairment when events and circumstances indicate that the carrying value of such assets may not be recoverable. Impaired assets are recorded at the lower of carrying value or estimated fair value. We conduct this review on an ongoing basis, and, if impairment exists, we record the loss in the Consolidated Statements of Income during that period.

When we evaluate these assets for impairment, we make certain judgments and estimates, including interpreting current economic indicators and market valuations, evaluating our strategic plans with regards to operations, historical and anticipated performance of operations, and other factors. It is possible that unfavorable developments related to these factors in the near term could result in an impairment loss relative to intangible assets. Such an impairment loss may be material to our results of operations in the period recorded.

28

Report of Independent Registered Public Accounting Firm

To the Shareholders and Board of Directors of STERIS plc

Results of Review of Interim Financial Statements

We have reviewed the accompanying consolidated balance sheet of STERIS plc and subsidiaries (the Company) as of December 31, 2023, the related consolidated statements of income (loss), comprehensive income (loss) and shareholders’ equity for the three- and nine- month periods ended December 31, 2023 and 2022 and the consolidated statement of cash flows for the nine- month periods ended December 31, 2023 and 2022, and the related notes (collectively referred to as the “consolidated interim financial statements”). Based on our reviews, we are not aware of any material modifications that should be made to the consolidated interim financial statements for them to be in conformity with U.S. generally accepted accounting principles.

We have previously audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated balance sheet of the Company as of March 31, 2023, the related consolidated statements of income, comprehensive income (loss), shareholders' equity and cash flows for the year then ended, and the related notes and schedule (not presented herein); and in our report dated May 26, 2023, we expressed an unqualified audit opinion on those consolidated financial statements. In our opinion, the information set forth in the accompanying consolidated balance sheet as of March 31, 2023, is fairly stated, in all material respects, in relation to the consolidated balance sheet from which it has been derived.

Basis for Review Results

These financial statements are the responsibility of the Company's management. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the SEC and the PCAOB. We conducted our review in accordance with the standards of the PCAOB. A review of interim financial statements consists principally of applying analytical procedures and making inquiries of persons responsible for financial and accounting matters. It is substantially less in scope than an audit conducted in accordance with the standards of the PCAOB, the objective of which is the expression of an opinion regarding the financial statements taken as a whole. Accordingly, we do not express such an opinion.

/s/ Ernst & Young LLP

Cleveland, Ohio

February 8, 2024

29

ITEM 2.    MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Introduction

In Management’s Discussion and Analysis of Financial Condition and Results of Operations (the “MD&A”), we explain the general financial condition and the results of operations for STERIS including:

•what factors affect our business;

•what our earnings and costs were in each period presented; 

•why those earnings and costs were different from prior periods;

•where our earnings came from;

•how this affects our overall financial condition;

•what our expenditures for capital projects were; and

•where cash will come from to fund future debt principal repayments, growth outside of core operations, repurchases of shares, cash dividends and future working capital needs.

As you read the MD&A, it may be helpful to refer to information in our consolidated financial statements contained herein, which present the results of our operations for the third quarter and first nine months of fiscal 2024 and fiscal 2023. It may also be helpful to refer to our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the Securities and Exchange Commission ("SEC") on May 26, 2023, including information in Item 1, "Business," Part I, Item 1A, "Risk Factors," and Note 10 to our consolidated financial statements titled, "Commitments and Contingencies," and Part II, Item 1A, "Risk Factors" of this Quarterly Report, for a discussion of some of the matters that can adversely affect our business and results of operations.

In the MD&A, we analyze and explain the period-over-period changes in the specific line items in the Consolidated Statements of Income (Loss). This information, discussion, and analysis may be important to you in making decisions about your investments in STERIS.

Financial Measures

In the following sections of the MD&A, we may, at times, refer to financial measures that are not required to be presented in the consolidated financial statements under accounting principles generally accepted in the United States ("U.S. GAAP"). We sometimes use the following financial measures in the context of this report: backlog; debt-to-total capital; and days sales outstanding. We define these financial measures as follows:

•Backlog – We define backlog as the amount of unfilled capital equipment purchase orders at a point in time. We use this figure as a measure to assist in the projection of short-term financial results and inventory requirements.

•Debt-to-total capital – We define debt-to-total capital as total debt divided by the sum of total debt and shareholders’ equity. We use this figure as a financial liquidity measure to gauge our ability to borrow and fund growth.

•Days sales outstanding (“DSO”) – We define DSO as the average collection period for accounts receivable. It is calculated as net accounts receivable divided by the trailing four quarters’ revenues, multiplied by 365 days. We use this figure to help gauge the quality of accounts receivable and expected time to collect.

We, at times, may also refer to financial measures which are considered to be “non-GAAP financial measures” under SEC rules. We have presented these financial measures because we believe that meaningful analysis of our financial performance is enhanced by an understanding of certain additional factors underlying that performance. These financial measures should not be considered an alternative to measures required by accounting principles generally accepted in the United States. Our calculations of these measures may differ from calculations of similar measures used by other companies, and you should be careful when comparing these financial measures to those of other companies. Additional information regarding these financial measures, including reconciliations of each non-GAAP financial measure, is available in the subsection of MD&A titled, "Non-GAAP Financial Measures."

Revenues – Defined

As required by Regulation S-X, we separately present revenues generated as either product revenues or service revenues on our Consolidated Statements of Income (Loss) for each period presented. When we discuss revenues, we may, at times, refer to revenues summarized differently than the Regulation S-X requirements. The terminology, definitions, and applications of terms that we use to describe revenues may be different from terms used by other companies. We use the following terms to describe revenues:

30

•Revenues – Our revenues are presented net of sales returns and allowances.

•Product Revenues – We define product revenues as revenues generated from sales of consumable and capital equipment products.

•Service Revenues – We define service revenues as revenues generated from parts and labor associated with the maintenance, repair, and installation of our capital equipment. Service revenues also include outsourced reprocessing services, instrument and scope repairs, as well as revenues generated from contract sterilization and laboratory services offered through our Applied Sterilization Technologies ("AST") segment.

•Capital Equipment Revenues – We define capital equipment revenues as revenues generated from sales of capital equipment, which includes steam and gas sterilizers, low temperature liquid chemical sterilant processing systems, pure steam/water systems, surgical lights and tables, and integrated operating rooms ("OR").

•Consumable Revenues – We define consumable revenues as revenues generated from sales of the consumable family of products, which includes dedicated consumables including V-PRO, SYSTEM 1 and 1E consumables, gastrointestinal endoscopy accessories, sterility assurance products, barrier protection solutions, cleaning consumables, and surgical instruments.

•Recurring Revenues – We define recurring revenues as revenues generated from sales of consumable products and service revenues.

General Company Overview and Executive Summary

STERIS is a leading global provider of products and services that support patient care with an emphasis on infection prevention. WE HELP OUR CUSTOMERS CREATE A HEALTHIER AND SAFER WORLD by providing innovative healthcare, life sciences and dental products and services. We offer our Customers a unique mix of innovative consumable products, such as detergents, endoscopy accessories, barrier products, and other products and services, including: equipment installation and maintenance, microbial reduction of medical devices, dental instruments and tools, instrument and scope repair, laboratory testing services, outsourced reprocessing, and capital equipment products, such as sterilizers and surgical tables, automated endoscope reprocessors, and connectivity solutions such as OR integration.

We operate and report our financial information in four reportable business segments: Healthcare, AST, Life Sciences and Dental. Non-allocated operating costs that support the entire Company and items not indicative of operating trends are excluded from segment operating income. We describe our business segments in Note 9 to our consolidated financial statements titled, "Business Segment Information."

The bulk of our revenues are derived from the healthcare and pharmaceutical industries. Much of the growth in these industries is driven by the aging of the population throughout the world, as an increasing number of individuals are entering their prime healthcare consumption years, and is dependent upon advancement in healthcare delivery, acceptance of new technologies, government policies, and general economic conditions. The pharmaceutical industry has been impacted by increased regulatory scrutiny of cleaning and validation processes, mandating that manufacturers improve their processes. Within healthcare, there is increased concern regarding the level of hospital acquired infections around the world; increased demand for medical procedures, including preventive screenings such as endoscopies and colonoscopies; and a desire by our Customers to operate more efficiently, all of which are driving increased demand for many of our products and services.

Acquisitions. On August 2, 2023, we purchased the surgical instrumentation, laparoscopic instrumentation and sterilization container assets from BD (Becton, Dickinson and Company) (NYSE: BDX). The acquired assets from BD are being integrated into our Healthcare segment.

The purchase price of the acquisition was $539.8 million. The acquisition also qualified for a tax benefit related to tax deductible goodwill, with a present value of approximately $60.0 million. The purchase price of the acquisition was financed with borrowings from our existing credit facility. For more information, refer to Note 5 to our consolidated financial statements titled, "Debt."

During the first nine months of fiscal 2023, we completed several tuck-in acquisitions, which continued to expand our product and service offerings in the AST and Healthcare segment. Total aggregate consideration was approximately $40.7 million, including contingent deferred consideration of $6.7 million.

Acquisition and integration expenses totaled $5.7 million and $24.4 million for the three and nine months ended December 31, 2023, respectively. Acquisition and integration expenses totaled $4.8 million and $18.5 million for the three and nine months ended December 31, 2022, respectively. The increase in acquisition and integration expenses for the three and nine months ended December 31, 2023 is primarily due to charges related to the acquisition of assets from BD and a fair value adjustment in the second quarter of fiscal 2024 related to a building held for sale from a previous acquisition. Acquisition and integration expenses are reported in the Selling, general and administrative expenses line of our Consolidated Statements of Income (Loss).

31

During the second quarter of fiscal 2023, in connection with the preparation of our quarterly consolidated financial statements, we identified and recognized a goodwill impairment loss of $490.6 million related to goodwill that arose with respect to our Dental segment acquired in the Cantel acquisition. For more information on the impairment loss, see Note 17 to our consolidated financial statements titled, "Goodwill and Intangible Assets."

For more information regarding our recent acquisitions, see Note 2 to our consolidated financial statements titled, "Business Acquisitions."

Highlights. Revenues increased 14.8% to $1,395.6 million for the three months ended December 31, 2023, as compared to $1,216.0 million for the same period in the prior year. Revenues increased 12.6% to $4,022.5 million for the nine months ended December 31, 2023, as compared to $3,573.0 million for the same period in the prior year. The increases reflect higher volume, including the added volume from the acquisition of assets from BD in the Healthcare segment, and pricing.

Gross profit percentage for the third quarter of fiscal 2024 was 43.2% compared to the gross profit percentage for the third quarter of fiscal 2023 of 42.9%. The increase in gross profit percentage for the third quarter of fiscal 2024 is primarily due to the benefits of pricing, which was partially offset by unfavorable impacts from inflationary cost increases for materials and labor. Gross profit percentage was 44.0% for both the first nine months of fiscal 2024 and fiscal 2023. Favorable impacts from pricing and mix were offset by unfavorable impacts from productivity and inflationary cost increases for materials and labor.

Operating income for the third quarter of fiscal 2024 was $216.2 million, compared to operating income of $190.8 million for the third quarter of fiscal 2023. Operating income for the first nine months of fiscal 2024 was $590.9 million, compared to operating income of $42.8 million for the first nine months of fiscal 2023. The increase in operating income for the three month period is primarily attributable to the benefit of higher volume and pricing during fiscal 2024. The increase in operating income for the nine month period is primarily due to the absence of the one time goodwill impairment charge of $490.6 million recorded in the second quarter of fiscal 2023, as well as the benefit of higher volume and pricing.

Cash flows from operations were $718.5 million and free cash flow was $457.0 million for the first nine months of fiscal 2024 compared to cash flows from operations of $541.1 million and free cash flow of $262.8 million for the first nine months of fiscal 2023 (see the subsection below titled "Non-GAAP Financial Measures" for additional information and related reconciliation of cash flows from operations to free cash flow). The fiscal 2024 increase in cash flows from operations and free cash flows was driven by the increase in earnings and declines in cash used for tax and compensation related payments as well as a reduction in capital spending that was primarily due to timing.

Our debt-to-total capital ratio was 34.0% at December 31, 2023 and 33.6% at March 31, 2023. During the first nine months of fiscal 2024, we declared and paid cash dividends totaling $1.51 per ordinary share.

Additional information regarding our financial performance during the third quarter of fiscal 2024 is included in the subsection below titled “Results of Operations.”

NON-GAAP FINANCIAL MEASURES

We, at times, refer to financial measures which are considered to be “non-GAAP financial measures” under SEC rules. We, at times, also refer to our results of operations excluding certain transactions or amounts that are non-recurring or are not indicative of future results, in order to provide meaningful comparisons between the periods presented.

These non-GAAP financial measures are not intended to be, and should not be, considered separately from or as an alternative to the most directly comparable U.S. GAAP financial measures.

These non-GAAP financial measures are presented with the intent of providing greater transparency to supplemental financial information used by management and the Board of Directors in their financial analysis and operational decision-making. These amounts are disclosed so that the reader has the same financial data that management uses with the belief that it will assist investors and other readers in making comparisons to our historical operating results and analyzing the underlying performance of our operations for the periods presented.

We believe that the presentation of these non-GAAP financial measures, when considered along with our U.S. GAAP financial measures and the reconciliation to the corresponding U.S. GAAP financial measures, provides the reader with a more complete understanding of the factors and trends affecting our business than could be obtained absent this disclosure. It is important for the reader to note that the non-GAAP financial measures used may be calculated differently from, and therefore may not be comparable to, similarly titled measures used by other companies.

We define free cash flow as net cash provided by operating activities as presented in the Consolidated Statements of Cash Flows less purchases of property, plant, equipment, and intangibles (capital expenditures) plus proceeds from the sale of property, plant, equipment, and intangibles, which are also presented within investing activities in the Consolidated Statements of Cash Flows. We use this as a measure to gauge our ability to pay cash dividends, fund growth outside of core operations, fund future debt principal repayments, and repurchase shares.

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The following table summarizes the calculation of our free cash flow for the nine months ended December 31, 2023 and 2022: 

	Nine Months Ended December 31,
(dollars in thousands)	2023		2022
Net cash provided by operating activities	$	718,467	$	541,148
Purchases of property, plant, equipment, and intangibles, net	(268,829)		(290,520)
Proceeds from the sale of property, plant, equipment, and intangibles	7,375		12,164
Free cash flow	$	457,013	$	262,792

Results of Operations

In the following subsections, we discuss our earnings and the factors affecting them for the third quarter and first nine months of fiscal 2024 compared to the same fiscal 2023 periods. We begin with a general overview of our operating results and then separately discuss earnings for our operating segments.

Revenues. The following tables compare our revenues for the three and nine months ended December 31, 2023 to the revenues for the three and nine months ended December 31, 2022:

	Three Months Ended December 31,
(dollars in thousands)	2023		2022		Change		Percent Change
Total revenues	$	1,395,645	$	1,215,994	$	179,651	14.8	%
Revenues by type:
Service revenues	590,889		536,952		53,937		10.0	%
Consumable revenues	487,841		419,555		68,286		16.3	%
Capital equipment revenues	316,915		259,487		57,428		22.1	%
Revenues by geography:
Ireland revenues	19,651		17,959		1,692		9.4	%
United States revenues	1,025,458		883,390		142,068		16.1	%
Other foreign revenues	350,536		314,645		35,891		11.4	%

Revenues increased 14.8% to $1,395.6 million for the three months ended December 31, 2023, as compared to $1,216.0 million for the same period in the prior year. The increases reflect higher volume, including the added volume from the acquisition of assets from BD in the Healthcare segment, and pricing.

Service revenues increased 10.0% for the three months ended December 31, 2023, as compared to the same period in the prior year, reflecting growth in the Healthcare, AST, and Life Sciences segments. Consumable revenues increased by 16.3% for the three months ended December 31, 2023, as compared to the same period in the prior year, reflecting growth in the Healthcare and Life Sciences segments, which were partially offset by a decline in the Dental segment. Capital equipment revenues increased 22.1% for the three months ended December 31, 2023, as compared to the same period in the prior year, reflecting growth in the Healthcare, Life Sciences, and AST segments.

Ireland revenues increased 9.4% to $19.7 million for the three months ended December 31, 2023, as compared to $18.0 million for the same period in the prior year, reflecting growth in service and consumable revenues, partially offset by a decline in capital equipment revenues.

United States revenues increased 16.1% to $1,025.5 million for the three months ended December 31, 2023, as compared to $883.4 million for the same period in the prior year, reflecting growth in service, consumable, and capital equipment revenues.

Revenues from other foreign locations increased 11.4% to $350.5 million for the three months ended December 31, 2023, as compared to $314.6 million for the same period in the prior year, reflecting growth in the Europe, Middle East & Africa ("EMEA"), Canada, Asia Pacific, and Latin American regions.

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	Nine Months Ended December 31,
(dollars in thousands)	2023		2022		Change		Percent Change
Total revenues	$	4,022,547	$	3,573,002	$	449,545	12.6	%
Revenues by type:
Service revenues	1,741,597		1,590,490		151,107		9.5	%
Consumable revenues	1,401,974		1,249,791		152,183		12.2	%
Capital equipment revenues	878,976		732,721		146,255		20.0	%
Revenues by geography:
Ireland revenues	60,175		53,130		7,045		13.3	%
United States revenues	2,948,878		2,589,472		359,406		13.9	%
Other foreign revenues	1,013,494		930,400		83,094		8.9	%

Revenues increased 12.6% to $4,022.5 million for the nine months ended December 31, 2023, as compared to $3,573.0 million for the same period in the prior year. The increases reflect higher volume, including the added volume from the acquisition of assets from BD in the Healthcare segment, and pricing.

Service revenues increased 9.5% for the nine months ended December 31, 2023, as compared to the same period in the prior year, reflecting growth in the Healthcare, AST, and Life Sciences segments. Consumable revenues increased by 12.2% for the nine months ended December 31, 2023, as compared to the same period in the prior year, reflecting growth in the Healthcare and Life Sciences segments, which were partially offset by a decline in the Dental segment. Capital equipment revenues increased 20.0% for the nine months ended December 31, 2023, as compared to the same period in the prior year, reflecting growth in the Healthcare and Life Sciences segments, which were partially offset by a decline in AST.

Ireland revenues increased 13.3% to $60.2 million for the nine months ended December 31, 2023, as compared to $53.1 million for the same period in the prior year, reflecting growth in service, consumable, and capital equipment revenues.

United States revenues increased 13.9% to $2,948.9 million for the nine months ended December 31, 2023, as compared to $2,589.5 million for the same period in the prior year, reflecting growth in service, consumable, and capital equipment revenues.

Revenues from other foreign locations increased 8.9% to $1,013.5 million for the nine months ended December 31, 2023, as compared to $930.4 million for the same period in the prior year. The increase reflects growth within the EMEA, Canada, Asia Pacific and Latin American regions.

Gross Profit. Our gross profit is affected by the volume, pricing, and mix of sales of our products and services, as well as the costs associated with the products and services that are sold. The following tables compare our gross profit for the three and nine months ended December 31, 2023 to the three and nine months ended December 31, 2022:

	Three Months Ended December 31,						Change		Percent Change
(dollars in thousands)	2023			2022
Gross profit:
Product	$	365,751		$	304,313		$	61,438	20.2	%
Service	236,842			217,184			19,658		9.1	%
Total gross profit	$	602,593		$	521,497		$	81,096	15.6	%
Gross profit percentage:
Product	45.4		%	44.8		%
Service	40.1		%	40.4		%
Total gross profit percentage	43.2		%	42.9		%

Gross profit percentage for the third quarter of fiscal 2024 was 43.2% compared to the gross profit percentage for the third quarter of fiscal 2023 of 42.9%. Gross profit increased as favorable impacts from pricing (150 basis points), mix and other adjustments (30 basis points), and acquisitions (10 basis points) exceeded unfavorable impacts from material and labor inflation (100 basis points) and fluctuations in currency, adjustments, and other charges (60 basis points).

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	Nine Months Ended December 31,						Change		Percent Change
(dollars in thousands)	2023			2022
Gross profit:
Product	$	1,057,535		$	923,849		$	133,686	14.5	%
Service	712,048			647,781			64,267		9.9	%
Total gross profit	$	1,769,583		$	1,571,630		$	197,953	12.6	%
Gross profit percentage:
Product	46.4		%	46.6		%
Service	40.9		%	40.7		%
Total gross profit percentage	44.0		%	44.0		%

Gross profit percentage was 44.0% for both the first nine months of fiscal 2024 and fiscal 2023. Favorable impacts from pricing (160 basis points), mix and other adjustments (60 basis points), and acquisitions (10 basis points) were offset by unfavorable impacts from material and labor inflation (120 basis points), fluctuations in currency, adjustments, and other charges (60 basis points), and productivity (50 basis points).

Operating Expenses. The following table compares our operating expenses for the three and nine months ended December 31, 2023 to the three and nine months ended December 31, 2022:

	Three Months Ended December 31,				Change		Percent Change
(dollars in thousands)	2023		2022
Operating expenses:
Selling, general, and administrative	$	360,518	$	305,141	$	55,377	18.1	%
Research and development	25,913		25,514		399		1.6	%
Restructuring expenses	6		39		(33)		(84.6)	%
Total operating expenses	$	386,437	$	330,694	$	55,743	16.9	%

	Nine Months Ended December 31,				Change		Percent Change
(dollars in thousands)	2023		2022
Operating expenses:
Selling, general, and administrative	$	1,100,227	$	962,962	$	137,265	14.3	%
Goodwill impairment loss	—		490,565		(490,565)		NM
Research and development	78,459		75,193		3,266		4.3	%
Restructuring expenses	2		127		(125)		(98.4)	%
Total operating expenses	$	1,178,688	$	1,528,847	$	(350,159)	(22.9)	%

NM - Not meaningful

Selling, General, and Administrative Expenses. Significant components of total selling, general, and administrative expenses (“SG&A”) are compensation and benefit costs, fees for professional services, travel and entertainment expenses, facilities costs, and other general and administrative expenses. SG&A increased 18.1% and 14.3% in the third quarter and first nine months of fiscal 2024, respectively, over the same prior year periods. The fiscal 2024 increase is primarily attributable to increased compensation, including incentive compensation and benefit costs, as well as increases in dealer incentives, professional fees, bad debt expense, and travel and entertainment.

Goodwill Impairment Loss. A Goodwill impairment loss of $490.6 million was recorded during the second quarter of fiscal 2023 as the result of an interim assessment of the fair value of the Dental segment. For more information regarding our goodwill impairment loss, see Note 17 to our consolidated financial statements titled, "Goodwill and Intangible Assets."

Research and Development. Research and development expenses increased 1.6% and 4.3% in the third quarter and first nine months of fiscal 2024, respectively, over the same prior year periods. Research and development expenses are influenced by the number and timing of in-process projects and labor hours and other costs associated with these projects. Our research and development initiatives continue to emphasize new product development, product improvements, and the development of new technological platform innovations. During fiscal 2024, our investments in research and development have continued to be focused on, but were not limited to, enhancing capabilities of sterile processing combination technologies, procedural products and accessories, and devices and support accessories used in gastrointestinal endoscopy procedures.

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Non-Operating Expenses, Net. The following tables compare our net non-operating expenses for the three and nine months ended December 31, 2023 and 2022:

	Three Months Ended December 31,
(dollars in thousands)	2023		2022		Change
Non-operating expenses, net:
Interest expense	$	38,947	$	28,559	$	10,388
Interest and miscellaneous (income) expense	(2,080)		1,906		(3,986)
Non-operating expenses, net	$	36,867	$	30,465	$	6,402

	Nine Months Ended December 31,
(dollars in thousands)	2023		2022		Change
Non-operating expenses, net:
Interest expense	$	108,248	$	77,356	$	30,892
Interest and miscellaneous (income) expense	(4,710)		3,200		(7,910)
Non-operating expenses, net	$	103,538	$	80,556	$	22,982

Non-operating expenses, net, consists of interest expense on debt, offset by interest earned on cash, cash equivalents, and short-term investment balances, and other miscellaneous income.

Interest expense increased $10.4 million and $30.9 million during the third quarter and first nine months of fiscal 2024, respectively, as compared to the prior year periods, primarily due to higher interest rates on floating rate debt as well as higher principal amount of floating rate debt outstanding. For more information, refer to Note 5 to our consolidated financial statements titled, "Debt."

The fluctuation in interest and miscellaneous (income) expense during the third quarter and first nine months of fiscal 2024, as compared to the same prior year period in fiscal 2023, is primarily attributable to the negative impact of losses on our equity investments recognized during fiscal 2023 compared to gains recognized during fiscal 2024. For more information, refer to Note 15 to our consolidated financial statements titled, "Fair Value Measurements."

Income Taxes. The following tables compare our tax expense and effective income tax rates for the three and nine months ended December 31, 2023 and December 31, 2022:

	Three Months Ended December 31,						Change		Percent Change
(dollars in thousands)	2023			2022
Income tax expense	$	38,344		$	37,013		$	1,331	3.6%
Effective income tax rate	21.4		%	23.1		%

	Nine Months Ended December 31,						Change		Percent Change
(dollars in thousands)	2023			2022
Income tax expense	$	106,276		$	43,378		$	62,898	145.0%
Effective income tax rate	21.8		%	(114.8)		%

We record income tax expense during interim periods based on our estimate of the annual effective income tax rate, adjusted each quarter for discrete items. We analyze various factors to determine the estimated annual effective income tax rate, including projections of our annual earnings and taxing jurisdictions in which the earnings will be generated, the impact of state and local income taxes, our ability to use tax credits and net operating loss carryforwards, and available tax planning alternatives.

The effective income tax rates for the three month periods ended December 31, 2023 and 2022 were 21.4% and 23.1%, respectively. The fiscal 2024 effective tax rate for the three months ended December 31, 2023 decreased when compared to the prior year period, primarily due to favorable discrete items recognized during fiscal 2024. The effective income tax rates for the nine month periods ended December 31, 2023 and 2022 were 21.8% and (114.8)%, respectively. The fiscal 2024 effective tax rate increased when compared to fiscal 2023, primarily due to the tax impact of the goodwill impairment loss recognized on the Dental segment during the second quarter of fiscal 2023.

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Business Segment Results of Operations.

We operate and report our financial information in four reportable business segments: Healthcare, AST, Life Sciences and Dental. Non-allocated operating costs that support the entire Company and items not indicative of operating trends are excluded from segment operating income.

Our Healthcare segment provides a comprehensive offering for healthcare providers worldwide, focused on sterile processing departments and procedural centers, such as operating rooms and endoscopy suites. Our products and services range from infection prevention consumables and capital equipment, as well as services to maintain that equipment; to the repair of re-usable procedural instruments; to outsourced instrument reprocessing services. In addition, our procedural products also include endoscopy accessories, instruments, and capital equipment infrastructure used primarily in operating rooms, ambulatory surgery centers, endoscopy suites, and other procedural areas.

Our AST segment is a third-party service provider for contract sterilization, as well as testing services needed to validate sterility services for medical device and pharmaceutical manufacturers. Our technology-neutral offering supports Customers every step of the way, from testing through sterilization.

Our Life Sciences segment provides a comprehensive offering of products and services that support pharmaceutical manufacturing, primarily for vaccine and other biopharma Customers focused on aseptic manufacturing. These solutions include a full suite of consumable products, equipment maintenance and specialty services, and capital equipment.

Our Dental segment provides a comprehensive offering for dental practitioners and dental schools, offering instruments, infection prevention consumables and instrument management systems.

We disclose a measure of segment income that is consistent with the way management operates and views the business. The accounting policies for reportable segments are the same as those for the consolidated Company.

For the three and nine months ended December 31, 2023 and 2022, revenues from a single Customer did not represent ten percent or more of the Healthcare, AST or Life Sciences segment revenues. Three Customers collectively and consistently account for more than 40.0% of our Dental segment revenue. The percentage associated with these three Customers collectively in any one period may vary due to the buying patterns of these three Customers as well as other Dental Customers. These three Customers collectively accounted for approximately 47.5% and 44.5% of our Dental segment revenues for the three and nine months ended December 31, 2023, respectively. These three Customers collectively accounted for approximately 47.2% and 43.8% of our Dental segment revenues for the three and nine months ended December 31, 2022, respectively.

Additional information regarding our segments is included in our consolidated financial statements included in our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

The following tables compare business segment revenues as well as impacts from acquisitions, divestitures, and foreign currency movements for the three and nine months ended December 31, 2023 and 2022.

	Three Months Ended December 31, (unaudited)
	As reported, U.S. GAAP				Impact of Acquisitions		Impact of Divestitures		Impact of Foreign Currency Movements		U.S. GAAP Growth		Organic Growth		Constant Currency Organic Growth
	2023		2022		2023		2022		2023		2023		2023		2023
Segment revenues:
Healthcare	$	916,227	$	769,144	$	45,342	$	—	$	6,255	19.1	%	13.2	%	12.4	%
AST	234,931		222,014		—		—		3,977		5.8	%	5.8	%	4.0	%
Life Sciences	146,566		121,273		—		—		1,414		20.9	%	20.9	%	19.7	%
Dental	97,921		103,563		—		—		750		(5.4)	%	(5.4)	%	(6.2)	%
Total	$	1,395,645	$	1,215,994	$	45,342	$	—	$	12,396	14.8	%	11.0	%	10.0	%

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	Nine Months Ended December 31, (unaudited)
	As reported, U.S. GAAP				Impact of Acquisitions		Impact of Divestitures		Impact of Foreign Currency Movements		U.S. GAAP Growth		Organic Growth		Constant Currency Organic Growth
	2023		2022		2023		2022		2023		2023		2023		2023
Segment revenues:
Healthcare	$	2,605,157	$	2,200,483	$	74,290	$	—	$	10,835	18.4	%	15.0	%	14.5	%
AST	703,083		675,283		—		—		9,802		4.1	%	4.1	%	2.7	%
Life Sciences	411,074		379,248		—		—		2,955		8.4	%	8.4	%	7.6	%
Dental	303,233		317,988		—		—		1,727		(4.6)	%	(4.6)	%	(5.2)	%
Total	$	4,022,547	$	3,573,002	$	74,290	$	—	$	25,319	12.6	%	10.5	%	9.8	%

Healthcare revenues increased 19.1% to $916.2 million for the three months ended December 31, 2023, as compared to $769.1 million for the same prior year period. This increase reflects growth in consumable, capital equipment, and service revenues of 26.8%, 17.4%, and 13.4%, respectively. Healthcare revenues increased 18.4% to $2,605.2 million for the nine months ended December 31, 2023, as compared to $2,200.5 million for the same prior year period. This increase reflects growth in capital equipment, consumable, and service revenues of 22.8%, 20.8%, and 12.8%, respectively. The increase in revenue for the three and nine month periods ended December 31, 2023 is primarily due to the benefits of higher volume, including added volume from the acquisition of assets from BD, and pricing.

The Healthcare segment's backlog at December 31, 2023 was $449.4 million. The Healthcare segment's backlog at December 31, 2022 was $540.4 million. The decrease is due to increased shipments in the first nine months of the year, as compared to the same period in the prior year, which was due to shortened lead times and easing of supply chain constraints.

AST revenues increased 5.8% to $234.9 million for the three months ended December 31, 2023, as compared to $222.0 million for the same prior year period. AST revenues increased 4.1% to $703.1 million for the nine months ended December 31, 2023, as compared to $675.3 million for the same prior year period. Revenue was negatively impacted by medical device Customer inventory management and the continued reduction in demand from bioprocessing Customers. Revenue was favorably impacted by pricing and fluctuation in currencies.

Life Sciences revenues increased 20.9% to $146.6 million for the three months ended December 31, 2023, as compared to $121.3 million for the same prior year period. This increase reflects growth in capital equipment, service, and consumable revenues of 56.9%, 12.3% and 8.0%, respectively. Life Sciences revenues increased 8.4% to $411.1 million for the nine months ended December 31, 2023, as compared to $379.2 million for the same prior year period. This increase reflects growth in capital equipment, service, and consumable revenues of 12.3%, 10.3%, and 5.0%, respectively. Revenue was favorably impacted by higher volume and pricing.

The Life Sciences backlog at December 31, 2023 was $85.0 million. The Life Sciences backlog at December 31, 2022 was $110.6 million. The decrease is primarily due to the timing of shipments and a decrease in orders as compared to the same period in the prior year.

Dental revenues decreased 5.4% to $97.9 million for the three months ended December 31, 2023, as compared to $103.6 million for the same prior year period. Dental revenues decreased 4.6% to $303.2 million for the nine months ended December 31, 2023, as compared to $318.0 million for the same prior year period. The decline for the three and nine month periods ended December 31, 2023 was a result of lower volume, primarily due to Customer inventory destocking and reduced orders from a large Customer due to a temporary disruption of their operations as a result of a cybersecurity incident the Customer experienced during the third quarter, which exceeded the benefit of higher pricing in the fiscal 2024 periods.

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The following table compares business segment and Corporate operating income for the three and nine months ended December 31, 2023 and 2022.

	Three Months Ended December 31,				Nine Months Ended December 31,
	2023		2022		2023		2022
Segment operating income (loss):
Healthcare	$	223,898	$	175,399	$	626,134	$	497,233
AST	105,156		103,539		325,529		323,238
Life Sciences	56,738		45,249		156,863		149,173
Dental	18,292		20,337		64,847		67,992
Corporate	(81,359)		(53,873)		(261,265)		(196,872)
Total segment operating income	$	322,725	$	290,651	$	912,108	$	840,764
Less: Adjustments
Amortization of acquired intangible assets (1)	$	93,850	$	93,941	$	286,786	$	281,727
Acquisition and integration related charges (2)	5,722		4,817		24,444		18,493
Tax restructuring costs (3)	643		282		652		533
Gain on fair value adjustment of acquisition related contingent consideration (1)	—		—		—		(3,100)
Net (gain) loss on divestiture of businesses (1)	—		(838)		—		3,939
Amortization of inventory and property "step up" to fair value (1)	6,348		1,608		9,329		5,697
Restructuring charges (4)	6		38		2		127
Goodwill impairment loss (5)	—		—		—		490,565
Total income from operations	$	216,156	$	190,803	$	590,895	$	42,783

(1) For more information regarding our recent acquisitions and divestitures, refer to Note 2 titled, "Business Acquisitions and Divestitures" included in our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

(2) Acquisition and integration related charges include transaction costs and integration expenses associated with acquisitions.

(3) Costs incurred in tax restructuring.

(4) For more information regarding our restructuring efforts, refer to our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

(5) For more information regarding our goodwill impairment loss, see Note 17 to our consolidated financial statements titled, "Goodwill and Intangible Assets."

The Healthcare segment’s operating income increased 27.7% to $223.9 million for the three months ended December 31, 2023, as compared to $175.4 million in the same prior year period. The segment's operating margins were 24.4% and 22.8% for the third quarter of fiscal 2024 and 2023, respectively. The Healthcare segment’s operating income increased 25.9% to $626.1 million for the nine months ended December 31, 2023, as compared to $497.2 million in the same prior year period. The segment's operating margins were 24.0% and 22.6% for the first nine months of fiscal 2024 and 2023, respectively. The increase in operating income and margin for the three and nine month periods ended December 31, 2023 is primarily due to the benefits of higher volume, including added volume from the acquisition of assets from BD, and pricing, which were partially offset by increased costs caused by inflation.

The AST segment's operating income increased 1.6% to $105.2 million for the three months ended December 31, 2023, as compared to $103.5 million during the same prior year period. The AST segment's operating income increased 0.7% to $325.5 million for the nine months ended December 31, 2023, as compared to $323.2 million during the same prior year period. The segment's operating margins were 44.8% and 46.6% for the third quarter of fiscal 2024 and 2023, respectively. The segment's operating margins were 46.3% and 47.9% for the first nine months of fiscal 2024 and 2023, respectively. The decrease in operating margin percentage is primarily due to higher labor and energy costs and decreased productivity, which exceeded the benefit of favorable pricing and fluctuation in currencies.

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The Life Sciences segment’s operating income increased 25.4% to $56.7 million for the three months ended December 31, 2023, as compared to $45.2 million for the same prior year period. The segment's operating margins were 38.7% and 37.3% for the third quarter of fiscal 2024 and 2023, respectively. The increases in operating income and operating margin are primarily due to favorable pricing and volume, which were partially offset by increased costs caused by inflation. The Life Sciences segment’s operating income increased 5.2% to $156.9 million for the nine months ended December 31, 2023, as compared to $149.2 million for the same prior year period. The segment's operating margins were 38.2% and 39.3% for the first nine months of fiscal 2024 and 2023, respectively. The increase in operating income is primarily due to favorable pricing and volume. The decrease in operating margin is primarily due to increased costs due to inflation, which exceeded the benefits of pricing.

The Dental segment's operating income decreased 10.1% to $18.3 million for the three months ended December 31, 2023, as compared to $20.3 million for the same prior year period. The segment's operating margins were 18.7% and 19.6% for the third quarter of fiscal 2024 and 2023, respectively. The decline in operating income and operating margin is primarily due to a reduction in volume and increased costs from inflation, which exceeded the benefits of higher pricing. The Dental segment's operating income decreased 4.6% to $64.8 million for the nine months ended December 31, 2023, as compared to $68.0 million, for the same prior year period. The segment's operating margins were 21.4% for both the nine months ended December 31, 2023 and 2022. The decrease in operating income was primarily due to the reduction in volume and increased costs from inflation, which exceeded the benefits of higher pricing. The favorable impact of higher pricing to operating margin was partially offset by the decrease in volume and increased costs from inflation.

Liquidity and Capital Resources

The following table summarizes significant components of our cash flows for the nine months ended December 31, 2023 and 2022:

	Nine Months Ended December 31,
(dollars in thousands)	2023			2022
Net cash provided by operating activities	$	718,467		$	541,148
Net cash used in investing activities	$	(791,754)		$	(305,752)
Net cash provided by (used in) financing activities	$	58,583		$	(306,771)
Debt-to-total capital ratio	34.0		%	33.6		%
Free cash flow	$	457,013		$	262,792

Net Cash Provided by Operating Activities – The net cash provided by our operating activities was $718.5 million for the first nine months of fiscal 2024 and $541.1 million for the first nine months of fiscal 2023. The fiscal 2024 increase was driven by the increase in earnings and declines in cash used for tax and compensation related payments.

Net Cash Used In Investing Activities – The net cash used in investing activities totaled $791.8 million for the first nine months of fiscal 2024 and $305.8 million for the first nine months of fiscal 2023. The following discussion summarizes the significant changes in our investing cash flows for the first nine months of fiscal 2024 and fiscal 2023:

•Purchases of property, plant, equipment, and intangibles, net – Capital expenditures totaled $268.8 million for the first nine months of fiscal 2024 and $290.5 million during the same prior year period. The fiscal 2024 reduction is primarily due to the timing of capital spending in our AST segment compared to the first nine months of fiscal 2023.

•Proceeds from the sale of property, plant, and equipment - During the first nine months of fiscal 2024 and 2023, we received proceeds from the sale of property, plant, and equipment totaling $7.4 million and $12.2 million, respectively. The fiscal 2024 proceeds primarily relate to the sale of a facility previously used by the AST segment. The fiscal 2023 proceeds were primarily from the sale of a facility previously used by the Dental segment.

•Proceeds from the sale of businesses – During the first nine months of fiscal 2024, we received proceeds of $9.5 million from the release of funds held in escrow related to the sale of the Renal Care business during fiscal 2022. During the first nine months of fiscal 2023, we sold the remaining component of the Animal Healthcare business for $6.6 million.

•Acquisition of businesses, net of cash acquired – During the first nine months of fiscal 2024 and 2023, we used $539.8 million and $34.0 million to acquire businesses, respectively. For more information, refer to Note 2 to our consolidated financial statements titled, "Business Acquisitions," and to our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

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Net Cash Provided By/Used In Financing Activities – The net cash provided by financing activities amounted to $58.6 million for the first nine months of fiscal 2024 compared to net cash used in financing activities of $306.8 million for the first nine months of fiscal 2023. The following discussion summarizes the significant changes in our financing cash flows for the first nine months of fiscal 2024 and fiscal 2023:

•Payments on Private Placement Senior Notes – During the first nine months of fiscal 2023, we repaid $91.0 million of private placement debt. For more information on our Private Placement Senior Notes, refer to Note 5 to our consolidated financial statements titled, "Debt" and to our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

•Payments on term loans – During the first nine months of fiscal 2024 and 2023, we repaid $45.0 million and $141.9 million of our term loans, respectively. For more information on our term loans, refer to Note 5 to our consolidated financial statements titled, "Debt" and to our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

•Proceeds under credit facilities, net – Net proceeds under credit facilities totaled $265.5 million and $216.6 million for the first nine months of fiscal 2024 and 2023, respectively. The increase in fiscal 2024 is attributable to funding of the acquisition of assets from BD. For more information on our indebtedness, refer to Note 5 to our consolidated financial statements titled, "Debt" and to our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

•Acquisition related deferred or contingent consideration – During the first nine months of fiscal 2024 and 2023, we paid $6.2 million and $0.3 million in deferred and contingent consideration, respectively. The fiscal 2024 increase is primarily related to the payout of contingent consideration from a prior acquisition totaling $5.0 million.

•Repurchases of ordinary shares – During the first nine months of fiscal 2024 and 2023, we obtained 69,276 and 74,897, respectively, of our ordinary shares in connection with share-based compensation award programs in the aggregate amount of $11.4 million and $13.1 million, respectively. During the first nine months of fiscal 2024, we did not purchase any ordinary shares through our share repurchase program. During the first nine months of fiscal 2023, we purchased 735,320 of our shares in the aggregate amount of $140.9 million through our share repurchase program. For more information on our share repurchases, refer to Note 11 to our consolidated financial statements titled, "Repurchases of Ordinary Shares" and to our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

•Cash dividends paid to ordinary shareholders – During the first nine months of fiscal 2024, we paid total cash dividends of $149.2 million, or $1.51 per outstanding share. During the first nine months of fiscal 2023, we paid total cash dividends of $136.9 million, or $1.37 per outstanding share.

•Transactions with noncontrolling interest holders – During the first nine months of fiscal 2024, we paid $1.6 million in distributions to noncontrolling interest holders and received contributions of $2.9 million from noncontrolling interest holders. During the first nine months of fiscal 2023, we paid $0.8 million in distributions to noncontrolling interest holders.

•Stock option and other equity transactions, net – We generally receive cash for issuing shares under our stock option programs. During the first nine months of fiscal 2024 and fiscal 2023, we received cash proceeds totaling $3.5 million and $1.5 million, respectively, under these programs.

Cash Flow Measures. The net cash provided by our operating activities was $718.5 million for the first nine months of fiscal 2024 and $541.1 million for the first nine months of fiscal 2023. Free cash flow was $457.0 million in the first nine months of fiscal 2024 compared to $262.8 million in the first nine months of fiscal 2023 (see the subsection above titled "Non-GAAP Financial Measures" for additional information and related reconciliation of cash flows from operations to free cash flow). The fiscal 2024 increase in free cash flow was driven by the increase in earnings and declines in cash used for tax and compensation related payments as well as a reduction in capital spending that was primarily due to timing.

Our debt-to-total capital ratio was 34.0% at December 31, 2023 and 33.6% at December 31, 2022.

Material Future Cash Obligations and Commercial Commitments. Information related to our material future cash obligations and commercial commitments is included in our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023. Our commercial commitments were approximately $113.0 million at December 31, 2023, reflecting a net increase of $4.6 million in surety bonds and other commercial commitments from March 31, 2023. Outstanding borrowings under our Credit Agreement as of December 31, 2023 were $570.0 million. We had $11.6 million of letters of credit outstanding under the Credit Agreement at December 31, 2023.

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Cash Requirements. We intend to use our existing cash and cash equivalent balances and cash generated from operations for short-term and long-term capital expenditures and our other liquidity needs. Our capital requirements depend on many uncertain factors, including our rate of sales growth, our Customers’ acceptance of our products and services, the costs of obtaining adequate manufacturing capacities, the timing and extent of our research and development projects, changes in our expenses and other factors. To the extent that existing and anticipated sources of cash are not sufficient to fund our future activities, we may need to raise additional funds through additional borrowings or the sale of equity securities. There can be no assurance that our existing financing arrangements will provide us with sufficient funds or that we will be able to obtain any additional funds on terms favorable to us or at all.

Supplemental Guarantor Financial Information

STERIS plc ("Parent") and its wholly-owned subsidiaries, STERIS Limited and STERIS Corporation (collectively "Guarantors" and each a "Guarantor"), each have provided guarantees of the obligations of STERIS Irish FinCo Unlimited Company ("FinCo", "STERIS Irish FinCo", "Issuer"), a wholly-owned subsidiary issuer, under Senior Public Notes issued by STERIS Irish FinCo on April 1, 2021 and of certain other obligations relating to the Senior Public Notes. The Senior Public Notes are guaranteed, jointly and severally, on a senior unsecured basis. The Senior Public Notes and the related guarantees are senior unsecured obligations of STERIS Irish FinCo and the Guarantors, respectively, and are equal in priority with all other unsecured and unsubordinated indebtedness of the Issuer and the Guarantors, respectively, from time to time outstanding, including, as applicable, under the Private Placement Senior Notes, borrowings under the Revolving Credit Facility, the Term Loan and the Delayed Draw Term Loan.

All of the liabilities of non-guarantor direct and indirect subsidiaries of STERIS, other than STERIS Irish FinCo, STERIS Limited and STERIS Corporation, including any claims of trade creditors, are effectively senior to the Senior Public Notes.

STERIS Irish FinCo’s main objective and source of revenues and cash flows is the provision of short- and long-term financing for the activities of STERIS plc and its subsidiaries.

The ability of our subsidiaries to pay dividends, interest and other fees to the Issuer and ability of the Issuer and Guarantors to service the Senior Public Notes may be restricted by, among other things, applicable corporate and other laws and regulations as well as agreements to which our subsidiaries are or may become a party.

The following is a summary of the Senior Public Notes guarantees:

Guarantees of Senior Notes

•Parent Company Guarantor – STERIS plc

•Subsidiary Issuer – STERIS Irish FinCo Unlimited Company

•Subsidiary Guarantor – STERIS Limited

•Subsidiary Guarantor – STERIS Corporation

The guarantee of a Guarantor will be automatically and unconditionally released and discharged:

•in the case of a Subsidiary Guarantor, upon the sale, transfer or other disposition (including by way of consolidation or merger) of such Subsidiary Guarantor, other than to the Parent or a subsidiary of the Parent and as permitted by the indenture;

•in the case of a Subsidiary Guarantor, upon the sale, transfer or other disposition of all or substantially all the assets of such Subsidiary Guarantor, other than to the Parent or a subsidiary of the Parent and as permitted by the indenture;

•in the case of a Subsidiary Guarantor, at such time as such Subsidiary Guarantor is no longer a borrower under or no longer guarantees any material credit facility (subject to restatement in specified circumstances);

•upon the legal defeasance or covenant defeasance of the Senior Public Notes or the discharge of the Issuer’s obligations under the indenture in accordance with the terms of the indenture;

•as described in accordance with the terms of the indenture; or

•in the case of the Parent, if the Issuer ceases for any reason to be a subsidiary of the Parent; provided that all guarantees and other obligations of the Parent in respect of all other indebtedness under any Material Credit Facility of the Issuer terminate upon the Issuer ceasing to be a subsidiary of the Parent; and

•upon such Guarantor delivering to the trustee an officer’s certificate and an opinion of counsel, each stating that all conditions precedent provided for in the indenture relating to such transaction or release have been complied with.

The obligations of each Guarantor under its guarantee are expressly limited to the maximum amount that such Guarantor could guarantee without such guarantee constituting a fraudulent conveyance. Each Guarantor that makes a payment under its guarantee will be entitled upon payment in full of all guaranteed obligations under the indenture to a contribution from each Guarantor in an amount equal to such other Guarantor’s pro rata portion of such payment based on the respective net assets of all the Guarantors at the time of such payment determined in accordance with U.S. GAAP.

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The following tables present summarized results of operations for the nine months ended December 31, 2023 and summarized balance sheet information at December 31, 2023 and March 31, 2023 for the obligor group of the Senior Public Notes. The obligor group consists of the Parent Company Guarantor, Subsidiary Issuer, and Subsidiary Guarantors for the Senior Public Notes. The summarized financial information is presented after elimination of (i) intercompany transactions and balances among the guarantors and issuer and (ii) equity in earnings from and investments in any subsidiary that is a non-guarantor or non-issuer. Transactions with non-issuer and non-guarantor subsidiaries have been presented separately.

Summarized Results of Operations
(in thousands)	Nine Months Ended
	December 31,
	2023
Revenues	$	2,082,875
Gross profit	1,180,276
Operating costs arising from transactions with non-issuers and non-guarantors, net	527,036
Income from operations	611,436
Non-operating income (expense) arising from transactions with subsidiaries that are non-issuers and non-guarantors, net	297,764
Net income	$	241,313

Summarized Balance Sheet Information
( in thousands)
	December 31,		March 31,
	2023		2023
Receivables due from non-issuers and non-guarantor subsidiaries	$	18,914,935	$	17,797,185
Other current assets	705,595		614,233
Total current assets	$	19,620,530	$	18,411,418
Non-current receivables due from non-issuers and non-guarantor subsidiaries	$	1,835,773	$	1,827,125
Goodwill	292,659		96,892
Other non-current assets	640,803		303,223
Total non-current assets	$	2,769,235	$	2,227,240
Payables due to non-issuers and non-guarantor subsidiaries	$	20,986,974	$	19,347,473
Other current liabilities	259,335		255,746
Total current liabilities	$	21,246,309	$	19,603,219
Non-current payables due to non-issuers and non-guarantor subsidiaries	$	722,680	$	684,985
Other non-current liabilities	3,368,548		3,128,853
Total non-current liabilities	$	4,091,228	$	3,813,838

Intercompany balances and transactions between the obligor group have been eliminated, and amounts due from, amounts due to, and transactions with non-issuer and non-guarantor subsidiaries have been presented separately. Intercompany transactions arise from internal financing and trade activities.

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Critical Accounting Estimates and Assumptions

Information related to our critical accounting estimates and assumptions is included in our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023. Our critical accounting policies, estimates, and assumptions have not changed materially from March 31, 2023.

Contingencies

We are, and will likely continue to be, involved in a number of legal proceedings, government investigations, and claims, which we believe generally arise in the course of our business given our size, history, complexity, and the nature of our business, products, Customers, regulatory environment, and industries in which we participate. These legal proceedings, investigations and claims generally involve a variety of legal theories and allegations, including, without limitation, personal injury (e.g., slip and falls, burns, vehicle accidents), product liability or regulation (e.g., based on product operation or claimed malfunction, failure to warn, failure to meet specification, or failure to comply with regulatory requirements), product exposure (e.g., claimed exposure to chemicals, gases, asbestos, contaminants, radiation), property damage (e.g., claimed damage due to leaking equipment, fire, vehicles, chemicals), commercial claims (e.g., breach of contract, economic loss, warranty, misrepresentation), financial (e.g., taxes, reporting), employment (e.g., wrongful termination, discrimination, benefits matters), and other claims for damage and relief.

We record a liability for such contingencies to the extent we conclude that their occurrence is both probable and estimable. We consider many factors in making these assessments, including the professional judgment of experienced members of management and our legal counsel. We have made estimates as to the likelihood of unfavorable outcomes and the amounts of such potential losses. In our opinion, the ultimate outcome of these proceedings and claims is not anticipated to have a material adverse effect on our consolidated financial position, results of operations, or cash flows. However, the ultimate outcome of proceedings, government investigations, and claims is unpredictable and actual results could be materially different from our estimates. We record expected recoveries under applicable insurance contracts when we are assured of recovery. Refer to Note 8 of our consolidated financial statements titled, "Commitments and Contingencies" for additional information.

We are subject to taxation from United States federal, state and local, and non-U.S. jurisdictions. Tax positions are settled primarily through the completion of audits within each individual tax jurisdiction or the closing of a statute of limitation. Changes in applicable tax law or other events may also require us to revise past estimates. The IRS routinely conducts audits of our federal income tax returns.

Refer to Note 7 of our consolidated financial statements titled, "Income Taxes" for more information.

Forward-Looking Statements

This quarterly report may contain statements concerning certain trends, expectations, forecasts, estimates, or other forward-looking information affecting or relating to STERIS or its industry, products or activities that are intended to qualify for the protections afforded “forward-looking statements” under the Private Securities Litigation Reform Act of 1995 and other laws and regulations. Forward-looking statements speak only as to the date the statement is made and may be identified by the use of forward-looking terms such as “may,” “will,” “expects,” “believes,” “anticipates,” “plans,” “estimates,” “projects,” “targets,” “forecasts,” “outlook,” “impact,” “potential,” “confidence,” “improve,” “optimistic,” “deliver,” “orders,” “backlog,” “comfortable,” “trend”, and “seeks,” or the negative of such terms or other variations on such terms or comparable terminology. Many important factors could cause actual results to differ materially from those in the forward-looking statements including, without limitation, disruption of production or supplies, changes in market conditions, political events, pending or future claims or litigation, competitive factors, technology advances, actions of regulatory agencies, and changes in laws, government regulations, labeling or product approvals or the application or interpretation thereof. Other risk factors are described in STERIS's other securities filings, including Item 1A of our Annual Report on Form 10-K for the year ended March 31, 2023. Many of these important factors are outside of STERIS’s control. No assurances can be provided as to any result or the timing of any outcome regarding matters described in STERIS’s securities filings or otherwise with respect to any regulatory action, administrative proceedings, government investigations, litigation, warning letters, cost reductions, business strategies, earnings or revenue trends or future financial results. References to products are summaries only and should not be considered the specific terms of the product clearance or literature. Unless legally required, STERIS does not undertake to update or revise any forward-looking statements even if events make clear that any projected results, express or implied, will not be realized. Other potential risks and uncertainties that could cause actual results to differ materially from those in the forward-looking statements include, without limitation, (a) the impact of the COVID-19 pandemic or similar public health crises on STERIS’s operations, supply chain, material and labor costs, performance, results, prospects, or value, (b) STERIS's ability to achieve the expected benefits regarding the accounting and tax treatments of the redomiciliation to Ireland (“Redomiciliation”), (c) operating costs, Customer loss and business disruption (including, without limitation, difficulties in maintaining relationships with employees, Customers, clients or suppliers) being greater than expected, (d) STERIS’s ability to successfully integrate the businesses of Cantel Medical into our existing businesses, including unknown or inestimable liabilities, impairments, or increases in expected

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integration costs or difficulties in connection with the integration of Cantel Medical, (e) uncertainties related to tax treatments under the TCJA and the IRA, (f) the possibility that Pillar Two Model Rules could increase tax uncertainty and adversely impact STERIS's provision for income taxes and effective tax rate and subject STERIS to additional income tax in jurisdictions who adopt Pillar Two Model Rules, (g) STERIS's ability to continue to qualify for benefits under certain income tax treaties in light of ratification of more strict income tax treaty rules (through the MLI) in many jurisdictions where STERIS has operations, (h) changes in tax laws or interpretations that could increase our consolidated tax liabilities, including changes in tax laws that would result in STERIS being treated as a domestic corporation for United States federal tax purposes, (i) the potential for increased pressure on pricing or costs that leads to erosion of profit margins, including as a result of inflation, (j) the possibility that market demand will not develop for new technologies, products or applications or services, or business initiatives will take longer, cost more or produce lower benefits than anticipated, (k) the possibility that application of or compliance with laws, court rulings, certifications, regulations, or regulatory actions, including without limitation any of the same relating to FDA, EPA or other regulatory authorities, government investigations, the outcome of any pending or threatened FDA, EPA or other regulatory warning notices, actions, requests, inspections or submissions, the outcome of any pending or threatened litigation brought by private parties, or other requirements or standards may delay, limit or prevent new product or service introductions, affect the production, supply and/or marketing of existing products or services, result in costs to STERIS that may not be covered by insurance, or otherwise affect STERIS’s performance, results, prospects or value, (l) the potential of international unrest, including the Russia-Ukraine or Israel-Hamas military conflicts, economic downturn or effects of currencies, tax assessments, tariffs and/or other trade barriers, adjustments or anticipated rates, raw material costs or availability, benefit or retirement plan costs, or other regulatory compliance costs, (m) the possibility of reduced demand, or reductions in the rate of growth in demand, for STERIS’s products and services, (n) the possibility of delays in receipt of orders, order cancellations, or delays in the manufacture or shipment of ordered products, due to supply chain issues or otherwise, or in the provision of services, (o) the possibility that anticipated growth, cost savings, new product acceptance, performance or approvals, or other results may not be achieved, or that transition, labor, competition, timing, execution, impairments, regulatory, governmental, or other issues or risks associated with STERIS’s businesses, industry or initiatives including, without limitation, those matters described in STERIS's various securities filings, may adversely impact STERIS’s performance, results, prospects or value, (p) the impact on STERIS and its operations, or tax liabilities, of Brexit or the exit of other member countries from the EU, and the Company’s ability to respond to such impacts, (q) the impact on STERIS and its operations of any legislation, regulations or orders, including but not limited to any new trade or tax legislation (including CAMT and excise tax on stock buybacks), regulations or orders, that may be implemented by the U.S. administration or Congress, or of any responses thereto, (r) the possibility that anticipated financial results or benefits of recent acquisitions, including the acquisition of Cantel Medical and Key Surgical and the acquisition of certain BD assets, or of STERIS’s restructuring efforts, or of recent divestitures, including anticipated revenue, productivity improvement, cost savings, growth synergies and other anticipated benefits, will not be realized or will be other than anticipated, (s) the increased level of STERIS’s indebtedness incurred in connection with the acquisition of Cantel Medical limiting financial flexibility or increasing future borrowing costs, (t) rating agency actions or other occurrences that could affect STERIS’s existing debt or future ability to borrow funds at rates favorable to STERIS or at all, (u) the effects of changes in credit availability and pricing, as well as the ability of STERIS’s Customers and suppliers to adequately access the credit markets, on favorable terms or at all, when needed, and (v) STERIS's ability to complete any announced transactions, including the fulfillment of related closing conditions.

Availability of Securities and Exchange Commission Filings

We make available free of charge on or through our website our Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, and amendments to these reports as soon as reasonably practicable after we file such material with, or furnish such material to, the SEC. You may access these documents on the Investor Relations page of our website at http://www.steris-ir.com. The information on our website and the SEC's website is not incorporated by reference into this report.

ITEM 3.     QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

In the ordinary course of business, we are subject to interest rate, currency, and commodity risks. Information related to these risks and our management of these exposures is included in Part II, Item 7A, “Quantitative and Qualitative Disclosures about Market Risk,” in our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023. Our exposures to market risks have not changed materially since March 31, 2023.

Fluctuations in currency rates could affect our revenues, Cost of revenues and Income from operations and could result in currency exchange gains and losses. During the third quarter of fiscal 2024, we held forward foreign currency contracts to hedge a portion of our expected non-U.S. dollar-denominated earnings against our reporting currency, the US dollar. These foreign currency exchange contracts will mature during fiscal 2024. We did not elect hedge accounting for these forward currency contracts; however, we may seek to apply hedge accounting in future scenarios. As a result, we may experience volatility due to (i) the timing mismatch of unrealized hedge gains or losses versus recognition of the underlying hedged

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earnings, and (ii) the impact of unrealized and realized hedge gains or losses being reported in selling, general and administrative expenses, whereas the offsetting economic gains and losses of the underlying hedged earnings are reported in the various line items of our Consolidated Statements of Income (Loss).

We also enter into foreign currency forward contracts to hedge monetary assets and liabilities denominated in foreign currencies, including intercompany transactions. We do not use derivative financial instruments for speculative purposes. At December 31, 2023, we held net foreign currency forward contracts to buy 42.0 million British pounds sterling; and to sell 49.9 million Mexican pesos, 24.0 million Australian dollars, and 18.1 million euros.

We are dependent on basic raw materials, sub-assemblies, components, and other supplies used in our operations. Our financial results could be affected by the availability and changes in prices of these materials. The costs of these materials can rise suddenly and result in significantly higher costs of production. Where appropriate, we enter into long-term supply contracts as a basis to guarantee a reliable supply. We may also enter into commodity swap contracts to hedge price changes in a certain commodity that impacts raw materials included in our Cost of revenues. At December 31, 2023, we held commodity swap contracts to buy 188.3 thousand pounds of nickel.

ITEM 4.    CONTROLS AND PROCEDURES

Under the supervision of and with the participation of our management, including the Principal Executive Officer (“PEO”) and Principal Financial Officer (“PFO”), we evaluated the effectiveness of the design and operation of our disclosure controls and procedures, as defined in Rules 13a-15(e) and 15d-15(e) promulgated under the Securities Exchange Act of 1934, as of the end of the period covered by this Quarterly Report. Based on that evaluation, including the assessment and input of our management, the PEO and PFO concluded that, as of the end of the period covered by this Quarterly Report, our disclosure controls and procedures were effective.

There were no changes in our internal control over financial reporting, as defined in Rules 13a-15(f) and 15d-15(f) promulgated under the Securities Exchange Act of 1934, that occurred during the quarter ended December 31, 2023 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II—OTHER INFORMATION

ITEM 1.    LEGAL PROCEEDINGS

Information regarding our legal proceedings is included in this Form 10-Q in Note 8 to our consolidated financial statements titled, "Commitments and Contingencies" and in Item 7 of Part II, titled “Management's Discussion and Analysis of Financial Conditions and Results of Operations," of our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

ITEM 1A.    RISK FACTORS

For a complete discussion of the Company's risk factors, you should carefully review the risk factors included in our Annual Report on Form 10-K for the fiscal year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

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ITEM 2.    UNREGISTERED SALES OF EQUITY SECURITIES, USE OF PROCEEDS, AND ISSUER PURCHASES OF EQUITY SECURITIES

On May 3, 2023 our Board of Directors terminated the previous share repurchase program then in effect and authorized a new share repurchase program for the purchase of up to $500 million (net of taxes, fees and commissions). This share repurchase program has no specified expiration date.

Under the May 3, 2023 authorization, the Company may repurchase its shares from time to time through open market purchases, including 10b5-1 plans. Any share repurchases may be activated, suspended or discontinued at any time.

During the first nine months of fiscal 2024, we had no share repurchase activity pursuant to the previous share repurchase program or the May 3, 2023 authorization. This does not include 7 shares purchased during the quarter at an average price of $209.09 per share by the STERIS Corporation 401(k) Plan on behalf of an executive officer of the Company who may be deemed to be an affiliated purchaser.

During the first nine months of fiscal 2024, we obtained 69,276 of our ordinary shares in the aggregate amount of $11.4 million in connection with share-based compensation award programs.

The following table summarizes the ordinary shares repurchase activity during the third quarter of fiscal 2024 under our ordinary share repurchase program:

(dollars in thousands)	Total Number  of Shares Purchased	Average Price Paid Per Share		Total Number  of Shares Purchased as Part of Publicly Announced Plans	Maximum Dollar Value  of Shares that May Yet Be Purchased Under the Plans at Period End (in thousands)
October 1-31	—	$	—	—	$	500,000
November 1-30	—	—		—	500,000
December 1-31	—	—		—	500,000
Total	—	$	—	—	$	500,000

ITEM 5.    OTHER INFORMATION

During the nine months ended December 31, 2023, none of our directors or officers (as defined in Rule 16a-1(f) of the Exchange Act) adopted, modified or terminated a "Rule 10b5-1 trading arrangement" or a "non-Rule 10b5-1 trading arrangement" as such terms are defined under Item 408 of Regulation S-K.

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ITEM 6.    EXHIBITS

Exhibits required by Item 601 of Regulation S-K

Exhibit Number	Exhibit Description
3.1	STERIS plc Amended Memorandum and Articles of Association (filed as Exhibit 3.1 to STERIS plc Form 10-K for the fiscal year ended March 31, 2019 (Commission File No. 001-38848), and incorporated herein by reference).
15.1	Letter Re: Unaudited Interim Financial Information.
22.1	List of Guarantor Subsidiaries with respect to the 2.700% Notes due 2031 and 3.750% Notes due 2051 issued by STERIS Irish Finco Unlimited Company (filed as Exhibit 22.1 to Form 10-K for the fiscal year ended March 31, 2021 (Commission File No. 001-38848), and incorporated by reference).
31.1	Certification of the Principal Executive Officer Pursuant to Exchange Act Rule 13a-14(a)/15d-14(a).
31.2	Certification of the Principal Financial Officer Pursuant to Exchange Act Rule 13a-14(a)/15d-14(a).
32.1	Certification of the Principal Executive Officer and Principal Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.SCH	Inline Schema Document.
101.CAL	Inline Calculation Linkbase Document.
101.DEF	Inline Definition Linkbase Document.
101.LAB	Inline Labels Linkbase Document.
101.PRE	Inline Presentation Linkbase Document.
104	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).

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SIGNATURE

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.

STERIS plc

/s/ KAREN L. BURTON

Karen L. Burton

Vice President, Chief Accounting Officer

February 8, 2024

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EX-15.1

                                                Exhibit 15.1

LETTER REGARDING UNAUDITED INTERIM FINANCIAL INFORMATION

Shareholders and Board of Directors

STERIS plc

We are aware of the incorporation by reference in the following STERIS plc Registration Statements of our review report dated February 8, 2024 relating to the unaudited consolidated interim financial statements of STERIS plc and subsidiaries that are included in its Form 10-Q for the quarter ended December 31, 2023:

Registration Number	Description
333-230557	Form S-8 Registration Statement of STERIS plc pertaining to the STERIS Corporation 401(k) Plan
333-230558	Form S-8 Registration Statement of STERIS plc pertaining to the STERIS plc 2006 Long-Term Equity Incentive Plan (As Assumed, Amended and Restated Effective March 28, 2019)
333-254608	Form S-3 Registration Statement of STERIS plc, STERIS Corporation, STERIS Ltd, and STERIS Irish FinCo Unlimited Co pertaining to the registration of debt securities, guarantees of debt securities, ordinary shares, preferred shares, warrants, and units
333-256700	Form S-8 Registration Statement of STERIS plc pertaining to the Cantel Medical Corp. 2020 Equity Incentive Plan (As assumed and amended effective June 2, 2021) and the Cantel Medical Corp. 2016 Equity Incentive Plan (As assumed and amended effective June 2, 2021)

/s/ Ernst & Young LLP

Cleveland, Ohio

February 8, 2024

EX-31.1

Exhibit 31.1

CERTIFICATION OF THE PRINCIPAL EXECUTIVE OFFICER

I, Daniel A. Carestio, certify that:

1.I have reviewed this quarterly report on Form 10-Q of STERIS plc;

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 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.

Date:	February 8, 2024
/s/ DANIEL A. CARESTIO
Daniel A. Carestio President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION OF THE PRINCIPAL FINANCIAL OFFICER

I, Michael J. Tokich, certify that:

1.I have reviewed this quarterly report on Form 10-Q of STERIS plc;

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 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.

Date:	February 8, 2024
/s/ MICHAEL J. TOKICH
Michael J. Tokich Senior Vice President and Chief Financial Officer

EX-32.1

Exhibit 32.1

Certification Pursuant to § 906 of the Sarbanes-Oxley Act of 2002

Pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, in connection with the filing of the Form 10-Q of STERIS plc (the “Company”) for the quarter ended December 31, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned officers of the Company certifies, that, to such officer's knowledge:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of the dates and for the periods expressed in the Report.

	/s/ DANIEL A. CARESTIO
Name:	Daniel A. Carestio
Title:	President and Chief Executive Officer
	/s/ MICHAEL J. TOKICH
Name:	Michael J. Tokich
Title:	Senior Vice President and Chief Financial Officer

Dated: February 8, 2024

XML

Document and Entity Information Document - shares	9 Months Ended
	Dec. 31, 2023	Feb. 05, 2024
Entity Information [Line Items]
Entity Registrant Name	STERIS plc
Entity Central Index Key	0001757898
Document Type	10-Q
Document Period End Date	Dec. 31, 2023
Amendment Flag	false
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--03-31
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		98,814,035
Entity Small Business	false
Entity Emerging Growth Company	false
Entity File Number	001-38848
Entity Incorporation, State or Country Code	L2
Entity Tax Identification Number	98-1455064
Local Phone Number	1 232 2000
City Area Code	353
Document Transition Report	false
Document Quarterly Report	true
Entity Address, Address Line One	70 Sir John Rogerson's Quay,
Entity Address, City or Town	Dublin 2,
Entity Address, Country	IE
Entity Address, Postal Zip Code	D02 R296
Entity Shell Company	false
STE Two700 Senior Notes Due2031 Member
Entity Information [Line Items]
Title of 12(b) Security	2.700% Senior Notes due 2031
Trading Symbol	STE/31
Security Exchange Name	NYSE
Two700 Senior Notes Due2051 Member
Entity Information [Line Items]
Title of 12(b) Security	3.750% Senior Notes due 2051
Trading Symbol	STE/51
Security Exchange Name	NYSE
Ordinary Shares
Entity Information [Line Items]
Title of 12(b) Security	Ordinary Shares, $0.001 par value
Trading Symbol	STE
Security Exchange Name	NYSE

XML

CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Dec. 31, 2023	Mar. 31, 2023
Current assets:
Cash and cash equivalents	$ 195,585	$ 208,357
Accounts receivable (net of allowances of $27,951 and $23,427, respectively)	964,022	928,315
Inventories, net	855,617	695,493
Prepaid expenses and other current assets	203,729	179,277
Total current assets	2,218,953	2,011,442
Property, plant, and equipment, net	1,844,484	1,705,512
Operating Lease, Right-of-Use Asset	195,413	191,741
Goodwill	4,111,683	3,879,219
Intangible Assets, Net (Excluding Goodwill)	2,987,287	2,955,780
Other assets	77,335	78,145
Total assets	11,435,155	10,821,839
Current liabilities:
Accounts payable	276,730	279,620
Accrued income taxes	24,880	43,804
Accrued payroll and other related liabilities	178,838	125,642
Capital Lease Obligations, Current	36,711	34,961
Short-term Debt	78,438	60,000
Accrued expenses and other	318,097	317,817
Total current liabilities	913,694	861,844
Long-term indebtedness	3,231,075	3,018,655
Deferred Income Taxes and Other Tax Liabilities, Noncurrent	621,071	617,538
Capital Lease Obligations, Noncurrent	162,827	160,493
Other Liabilities, Noncurrent	78,389	76,137
Total liabilities	5,007,056	4,734,667
Commitments and contingencies (see Note 8)
Common shares, with $0.001 par value; 500,000 authorized; 98,808 shares issued; and 98,629 shares outstanding, respectively.	4,534,259	4,486,375
Retained earnings	2,133,766	1,911,533
Accumulated other comprehensive income	(252,629)	(320,710)
Total shareholders' equity	6,415,396	6,077,198
Noncontrolling interest	12,703	9,974
Total equity	6,428,099	6,087,172
Total liabilities and equity	$ 11,435,155	$ 10,821,839

XML

CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Dec. 31, 2023	Mar. 31, 2023
Statement of Financial Position [Abstract]
Common Stock, Par or Stated Value Per Share	$ 0.001
Common Stock, Shares Authorized	500,000
Common Stock, Shares, Outstanding	98,808	98,629
Allowance for Doubtful Accounts Receivable, Current	$ 27,951	$ 23,427

XML

CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Revenues:
Revenues	$ 1,395,645	$ 1,215,994	$ 4,022,547	$ 3,573,002
Cost of revenues:
Total cost of revenues	793,052	694,497	2,252,964	2,001,372
Gross Profit	602,593	521,497	1,769,583	1,571,630
Operating expenses:
Selling, general, and administrative	360,518	305,141	1,100,227	962,962
Goodwill impairment loss	0	0	0	490,565
Research and development	25,913	25,514	78,459	75,193
Restructuring Costs	6	39	2	127
Total operating expenses	386,437	330,694	1,178,688	1,528,847
Income from operations	216,156	190,803	590,895	42,783
Non-operating expenses, net:
Interest expense	38,947	28,559	108,248	77,356
Interest income and miscellaneous expense	(2,080)	1,906	(4,710)	3,200
Total non-operating expenses, net	36,867	30,465	103,538	80,556
Income before income tax expense	179,289	160,338	487,357	(37,773)
Income tax expense	38,344	37,013	106,276	43,378
Net Income	140,945	123,325	381,081	(81,151)
Less: Net Income Attributable to Noncontrolling Interest	202	(503)	1,465	(956)
Net Income (Loss) Attributable to Shareholders	$ 140,743	$ 123,828	$ 379,616	$ (80,195)
Net income per common share [Abstract]
Basic	$ 1.42	$ 1.24	$ 3.84	$ (0.80)
Diluted	1.42	1.24	3.82	(0.80)
Cash dividends declared per common share outstanding	$ 0.52	$ 0.47	$ 1.51	$ 1.37
Product [Member]
Revenues:
Revenues	$ 804,756	$ 679,042	$ 2,280,950	$ 1,982,512
Cost of revenues:
Cost of Goods and Services Sold	439,005	374,729	1,223,415	1,058,663
Service [Member]
Revenues:
Revenues	590,889	536,952	1,741,597	1,590,490
Cost of revenues:
Cost of Goods and Services Sold	$ 354,047	$ 319,768	$ 1,029,549	$ 942,709

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Net Income	$ 140,945	$ 123,325	$ 381,081	$ (81,151)
Less: Net Income Attributable to Noncontrolling Interest	202	(503)	1,465	(956)
Net Income (Loss) Attributable to Shareholders	140,743	123,828	379,616	(80,195)
Other comprehensive (loss) income
Defined benefit plan changes (net of taxes $17, $8, $52, and $24, respectively)	58	27	175	83
Change in cumulative foreign current translation adjustment	134,048	233,958	67,906	(154,438)
Total other comprehensive (loss) income	134,106	233,985	68,081	(154,355)
Comprehensive income	$ 274,849	$ 357,813	$ 447,697	$ (234,550)

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Amortization of pension and postretirement benefits plans costs, tax	$ 17	$ 8	$ 52	$ 24

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CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion, and amortization	$ 430,806	$ 410,693
Deferred income taxes	(506)	(62,797)
Share-based compensation	47,588	29,857
(Gain) loss on the disposal of property, plant, and equipment, and intangibles, net	(971)	653
Loss on sale of businesses, net	0	3,939
Amortization of inventory fair value adjustments	4,722	2,477
Goodwill impairment loss	0	490,565
Other items	4,536	4,433
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable, net	(18,252)	(32,878)
Inventories, net	(123,349)	(130,434)
Other current assets	(22,841)	(46,116)
Accounts payable	(6,097)	18,819
Accruals and other, net	21,750	(66,912)
Net cash provided by operating activities	718,467	541,148
Investing activities:
Purchases of property, plant, equipment, and intangibles, net	(268,829)	(290,520)
Proceeds from the sale of property, plant, equipment, and intangibles	7,375	12,164
Proceeds from Divestiture of Businesses, Net of Cash Divested	9,458	6,624
Acquisition of businesses, net of cash acquired	(539,758)	(34,020)
Net cash used in investing activities	(791,754)	(305,752)
Financing activities:
Payments for Repurchase of Private Placement	0	91,000
Repayments of Secured Debt	(45,000)	(141,875)
Proceeds (Payments) under credit facilities, net	265,501	216,561
Acquisition related deferred or contingent consideration	(6,153)	(310)
Repurchases of ordinary shares	(11,440)	(153,952)
Cash dividends paid to ordinary shareholders	(149,173)	(136,898)
Payments to Noncontrolling Interests	(1,561)	(794)
Proceeds from issuance of equity to minority shareholders	2,883	0
Proceeds from (Payments for) Other Financing Activities	3,526	1,497
Net cash used in financing activities	58,583	(306,771)
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations	1,932	(17,574)
Decrease in cash and cash equivalents	(12,772)	(88,949)
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents	195,585	259,371
Net Income	$ 381,081	$ (81,151)

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CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY Statement - USD ($) shares in Thousands, $ in Thousands	Total	Noncontrolling Interest [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Common Stock [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 6,544,637
Stockholders' Equity Attributable to Parent			$ (209,808)	$ 1,999,244	$ 4,742,920
Noncontrolling interest		$ 12,281
Shares, Issued					100,067
Stockholders' Equity Attributable to Parent			(209,808)	1,999,244	$ 4,742,920
Stockholders' Equity Attributable to Noncontrolling Interest		12,281
Net Income (Loss) Attributable to Parent	(80,195)			(80,195)
Net Income (Loss) Attributable to Noncontrolling Interest	(956)	(956)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(81,151)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(154,355)		(154,355)
Treasury Stock, Shares, Acquired					850
Payments for Repurchase of Common Stock	153,952			11,379	$ 142,573
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures					183
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	31,356				$ 31,356
Dividends, Common Stock, Cash	136,898			136,898
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	794	794
Increase (Decrease) In Noncontrolling Interests, Other	$ (323)	(323)
Common Stock, Dividends, Per Share, Cash Paid	$ 1.37
Net Income (Loss) Attributable to Parent	$ (80,195)			(80,195)
Net Income (Loss) Attributable to Noncontrolling Interest	(956)	(956)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(81,151)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(154,355)		(154,355)
Treasury Stock, Shares, Acquired					(850)
Payments for Repurchase of Common Stock	(153,952)			(11,379)	$ (142,573)
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures					183
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	31,356				$ 31,356
Dividends, Common Stock, Cash	(136,898)			(136,898)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	794	794
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	5,813,447
Stockholders' Equity Attributable to Parent			(598,148)	1,695,087	$ 4,705,118
Noncontrolling interest		11,390
Shares, Issued					99,868
Stockholders' Equity Attributable to Parent			(598,148)	1,695,087	$ 4,705,118
Stockholders' Equity Attributable to Noncontrolling Interest		11,390
Net Income (Loss) Attributable to Parent	123,828			123,828
Net Income (Loss) Attributable to Noncontrolling Interest	(503)	(503)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	123,325
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	233,985		233,985
Treasury Stock, Shares, Acquired					493
Payments for Repurchase of Common Stock	84,030			1,226	$ 82,804
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures					25
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	9,389				$ 9,389
Dividends, Common Stock, Cash	46,917			46,917
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	794	794
Increase (Decrease) In Noncontrolling Interests, Other	$ 115	115
Common Stock, Dividends, Per Share, Cash Paid	$ 0.47
Net Income (Loss) Attributable to Parent	$ 123,828			123,828
Net Income (Loss) Attributable to Noncontrolling Interest	(503)	(503)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	123,325
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	233,985		233,985
Treasury Stock, Shares, Acquired					(493)
Payments for Repurchase of Common Stock	(84,030)			(1,226)	$ (82,804)
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures					25
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	9,389				$ 9,389
Dividends, Common Stock, Cash	(46,917)			(46,917)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	794	794
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	6,048,520
Stockholders' Equity Attributable to Parent			(364,163)	1,770,772	$ 4,631,703
Noncontrolling interest		10,208
Shares, Issued					99,400
Stockholders' Equity Attributable to Parent			(364,163)	1,770,772	$ 4,631,703
Stockholders' Equity Attributable to Noncontrolling Interest		10,208
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	6,087,172
Stockholders' Equity Attributable to Parent	6,077,198		(320,710)	1,911,533	$ 4,486,375
Noncontrolling interest	9,974	9,974
Shares, Issued					98,629
Stockholders' Equity Attributable to Parent	6,077,198		(320,710)	1,911,533	$ 4,486,375
Stockholders' Equity Attributable to Noncontrolling Interest	9,974	9,974
Net Income (Loss) Attributable to Parent	379,616			379,616
Net Income (Loss) Attributable to Noncontrolling Interest	1,465	1,465
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	381,081
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	68,081		68,081
Treasury Stock, Shares, Acquired					69
Payments for Repurchase of Common Stock	11,440			8,210	$ 3,230
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures					248
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	51,114				$ 51,114
Dividends, Common Stock, Cash	149,173			149,173
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	1,561	1,561
Increase (Decrease) In Noncontrolling Interests, Other	(58)	(58)
Noncontrolling Interest, Increase from Contributions to Noncontrolling Interest Holders	$ 2,883	2,883
Common Stock, Dividends, Per Share, Cash Paid	$ 1.51
Net Income (Loss) Attributable to Parent	$ 379,616			379,616
Net Income (Loss) Attributable to Noncontrolling Interest	1,465	1,465
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	381,081
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	68,081		68,081
Treasury Stock, Shares, Acquired					(69)
Payments for Repurchase of Common Stock	(11,440)			(8,210)	$ (3,230)
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures					248
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	51,114				$ 51,114
Dividends, Common Stock, Cash	(149,173)			(149,173)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	1,561	1,561
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	6,189,168
Stockholders' Equity Attributable to Parent			(386,735)	2,045,897	$ 4,518,911
Noncontrolling interest		11,095
Shares, Issued					98,789
Stockholders' Equity Attributable to Parent			(386,735)	2,045,897	$ 4,518,911
Stockholders' Equity Attributable to Noncontrolling Interest		11,095
Net Income (Loss) Attributable to Parent	140,743			140,743
Net Income (Loss) Attributable to Noncontrolling Interest	202	202
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	140,945
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	134,106		134,106
Treasury Stock, Shares, Acquired					12
Payments for Repurchase of Common Stock	2,228			1,497	$ 731
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures					31
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	16,079				$ 16,079
Dividends, Common Stock, Cash	51,377			51,377
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	1,561	1,561
Increase (Decrease) In Noncontrolling Interests, Other	84	84
Noncontrolling Interest, Increase from Contributions to Noncontrolling Interest Holders	$ 2,883	2,883
Common Stock, Dividends, Per Share, Cash Paid	$ 0.52
Net Income (Loss) Attributable to Parent	$ 140,743			140,743
Net Income (Loss) Attributable to Noncontrolling Interest	202	202
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	140,945
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	134,106		134,106
Treasury Stock, Shares, Acquired					(12)
Payments for Repurchase of Common Stock	(2,228)			(1,497)	$ (731)
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures					31
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	16,079				$ 16,079
Dividends, Common Stock, Cash	(51,377)			(51,377)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	1,561	1,561
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	6,428,099
Stockholders' Equity Attributable to Parent	6,415,396		(252,629)	2,133,766	$ 4,534,259
Noncontrolling interest	12,703	12,703
Shares, Issued					98,808
Stockholders' Equity Attributable to Parent	6,415,396		$ (252,629)	$ 2,133,766	$ 4,534,259
Stockholders' Equity Attributable to Noncontrolling Interest	$ 12,703	$ 12,703

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Nature of Operations and Summary of Significant Accounting Policies(Notes)

9 Months Ended

Dec. 31, 2023

Notes To Financial Statements [Abstract]

Significant Accounting Policies

1. Nature of Operations and Summary of Significant Accounting Policies

STERIS is a leading global provider of products and services that support patient care with an emphasis on infection prevention. WE HELP OUR CUSTOMERS CREATE A HEALTHIER AND SAFER WORLD by providing innovative healthcare, life sciences and dental products and services. We offer our Customers a unique mix of innovative consumable products, such as detergents, endoscopy accessories, barrier products, and other products and services, including equipment installation and maintenance, microbial reduction of medical devices, dental instruments and tools, instrument and scope repair, laboratory testing services, outsourced reprocessing, and capital equipment products, such as sterilizers and surgical tables, automated endoscope reprocessors, and connectivity solutions such as operating room (“OR”) integration.

We operate and report in four reportable business segments: Healthcare, Applied Sterilization Technologies ("AST"), Life Sciences, and Dental. We describe our business segments in Note 9 titled "Business Segment Information."

Our fiscal year ends on March 31. References in this Quarterly Report to a particular “year” or “year-end” mean our fiscal year. The significant accounting policies applied in preparing the accompanying consolidated financial statements of the Company are summarized below:

Interim Financial Statements

We prepared the accompanying unaudited consolidated financial statements of the Company according to accounting principles generally accepted in the United States (“U.S. GAAP”) for interim financial information and the instructions to the Quarterly Report on Form 10-Q and Rule 10-01 of Regulation S-X. This means that they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. Our unaudited interim consolidated financial statements contain all material adjustments (including normal recurring accruals and adjustments) management believes are necessary to fairly state our financial condition, results of operations, and cash flows for the periods presented.

These interim consolidated financial statements should be read together with the consolidated financial statements and related notes included in our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the Securities and Exchange Commission ("SEC") on May 26, 2023. The Consolidated Balance Sheet at March 31, 2023 was derived from the audited consolidated financial statements at that date, but does not include all of the information and footnotes required by U.S. GAAP for complete financial statements.

Principles of Consolidation

We use the consolidation method to report our investment in our subsidiaries. Therefore, the accompanying consolidated financial statements include the accounts of the Company and its wholly-owned and majority-owned subsidiaries. We eliminate intercompany accounts and transactions when we consolidate these accounts. Investments in equity of unconsolidated affiliates, over which the Company has significant influence, but not control, over the financial and operating polices, are accounted for primarily using the equity method. These investments are immaterial to the Company's consolidated financial statements.

Use of Estimates

We make certain estimates and assumptions when preparing financial statements according to U.S. GAAP that affect the reported amounts of assets and liabilities at the financial statement dates and the reported amounts of revenues and expenses during the periods presented. These estimates and assumptions involve judgments with respect to many factors that are difficult to predict and are beyond our control. Actual results could be materially different from these estimates. We revise the estimates and assumptions as new information becomes available. This means that operating results for the three and nine month periods ended December 31, 2023 are not necessarily indicative of results that may be expected for future quarters or for the full fiscal year ending March 31, 2024.

Revenue Recognition and Associated Liabilities

Revenue is recognized when obligations under the terms of the contract are satisfied and control of the promised products or services have transferred to the Customer. Revenues are measured at the amount of consideration that we expect to be paid in exchange for the products or services. Product revenue is recognized when control passes to the Customer, which is generally based on contract or shipping terms. Service revenue is recognized when the Customer benefits from the service, which occurs either upon completion of the service or as it is provided to the Customer. Our Customers include end users as well as dealers and distributors who market and sell our products. Our revenue is not contingent upon resale by the dealer or distributor, and we have no further obligations related to bringing about resale. Our standard return and restocking fee policies are applied to sales of products. Shipping and handling costs charged to Customers are included in Product revenues. The associated

expenses are treated as fulfillment costs and are included in Cost of revenues. Revenues are reported net of sales and value-added taxes collected from Customers.

We have individual Customer contracts that offer discounted pricing. Dealers and distributors may be offered sales incentives in the form of rebates. We reduce revenue for discounts and estimated returns, rebates, and other similar allowances in the same period the related revenues are recorded. The reduction in revenue for these items is estimated based on historical experience and trend analysis to the extent that it is probable that a significant reversal of revenue will not occur. Estimated returns are recorded gross on the Consolidated Balance Sheets.

In transactions that contain multiple performance obligations, such as when products, maintenance services, and other services are combined, we recognize revenue as each product is delivered or service is provided to the Customer. We allocate the total arrangement consideration to each performance obligation based on its relative standalone selling price, which is the price for the product or service when it is sold separately.

Payment terms vary by the type and location of the Customer and the products or services offered. Generally, the time between when revenue is recognized and when payment is due is not significant. We do not evaluate whether the selling price contains a financing component for contracts that have a duration of less than one year.

We do not capitalize sales commissions as substantially all of our sales commission programs have an amortization period of one year or less.

Certain costs to fulfill a contract are capitalized and amortized over the term of the contract if they are recoverable, directly related to a contract and generate resources that we will use to fulfill the contract in the future. At December 31, 2023, assets related to costs to fulfill a contract were not material to our consolidated financial statements.

Refer to Note 9 titled, "Business Segment Information" for disaggregation of revenue.

Product Revenues

Product revenues consist of revenues generated from sales of consumables and capital equipment. These contracts are primarily based on a Customer’s purchase order and may include a Distributor, Dealer or Group Purchasing Organization ("GPO") agreement. We recognize revenue for sales of products when control passes to the Customer, which generally occurs either when the products are shipped or when they are received by the Customer. Revenue related to capital equipment products is deferred until installation is complete if the capital equipment and installation are highly integrated and form a single performance obligation.

Service Revenues

Within our Healthcare and Life Sciences segments, service revenues include revenue generated from parts and labor associated with the maintenance, repair and installation of capital equipment. These contracts are primarily based on a Customer’s purchase order and may include a Distributor, Dealer, or GPO agreement. For maintenance, repair and installation of capital equipment, revenue is recognized upon completion of the service. Healthcare service revenues also include outsourced reprocessing services and instrument repairs. Contracts for outsourced reprocessing services are primarily based on an agreement with a Customer, ranging in length from several months to 15 years. Outsourced reprocessing services revenue is recognized ratably over the contract term using a time-based input measure, adjusted for volume and other performance metrics, to the extent that it is probable that a significant reversal of revenue will not occur. Contracts for instrument repairs are primarily based on a Customer’s purchase order, and the associated revenue is recognized upon completion of the repair.

We also offer preventive maintenance and separately priced extended warranty agreements to our Customers, which require us to maintain and repair our products over the duration of the contract. Generally, these contract terms are cancellable without penalty and range from one to five years. Amounts received under these Customer contracts are initially recorded as a service liability and are recognized as service revenue ratably over the contract term using a time-based input measure.

Within our AST segment, service revenues include contract sterilization and laboratory services. Sales contracts for contract sterilization and laboratory services are primarily based on a Customer’s purchase order and associated Customer agreement, and revenues are generally recognized upon completion of the service.

Contract Liabilities

Payments received from Customers are based on invoices or billing schedules as established in contracts with Customers. Deferred revenue is recorded when payment is received in advance of performance under the contract. Deferred revenue is recognized as revenue upon completion of the performance obligation, which generally occurs within one year. During the first nine months of fiscal 2024, $70,181 of the March 31, 2023 deferred revenue balance was recorded as revenue. During the first nine months of fiscal 2023, $76,861 of the March 31, 2022 deferred revenue balance was recorded as revenue.

Refer to Note 6 titled, "Additional Consolidated Balance Sheet Information" for deferred revenue balances.

Service Liabilities

Payments received in advance of performance for cancellable preventive maintenance and separately priced extended warranty contracts are recorded as service liabilities. Service liabilities are recognized as revenue as performance is rendered under the contract.

Refer to Note 6 titled, "Additional Consolidated Balance Sheet Information" for service liability balances.

Remaining Performance Obligations

Remaining performance obligations reflect only the performance obligations related to agreements for which we have a firm commitment from a Customer to purchase and exclude variable consideration related to unsatisfied performance obligations. With regard to products, these remaining performance obligations include orders for capital equipment and consumables where control of the product has not passed to the Customer. With regard to service, these remaining performance obligations primarily include installation, certification, and outsourced reprocessing services. As of December 31, 2023, the transaction price allocated to remaining performance obligations was approximately $1,555,119. We expect to recognize approximately 56% of the transaction price within one year and approximately 32% beyond one year. The remainder has yet to be scheduled for delivery.

Recently Issued Accounting Standards Impacting the Company

Recently Issued Accounting Standards Impacting the Company are presented in the following table:

Standard	Date of Issuance	Description	Date of Adoption	Effect on the financial statements or other significant matters
Standards that have been adopted in fiscal 2024
ASU 2022-04 "Liabilities - Supplier Finance Programs (Subtopic 405-50) Disclosure of Supplier Finance Program Obligations."	September 2022	The standard provides guidance to enhance the transparency of disclosures for entities that utilize supplier finance programs to include information about the key terms of the programs and present a rollforward of any obligations under the program where those obligations are presented in the balance sheet.	Fiscal 2024	We adopted this standard in fiscal 2024 with no material impact to our consolidated financial statements.
Standards that have not yet been adopted
ASU 2023-07 "Segment Reporting (Topic 280) Improvements to Reportable Segment Disclosures."	November 2023	The standard provides guidance to enhance disclosures related to reportable segment expenses, including requirements to disclose significant segment expenses that are regularly provided to the Chief Operating Decision Maker ("CODM"), the title and position of the CODM and a description of how the CODM uses the information to make decisions regarding the allocation of resources. The standard also requires disclosure of certain segment information currently required annually to be reported on an interim basis. The amendments in this standard are effective for annual periods beginning after December 15, 2023 and interim periods within fiscal years beginning after December 15, 2024.	NA	We are in the process of evaluating the impact that the standard will have on our consolidated financial statements.
ASU 2023-09 "Income Taxes (Topic 740) Improvements to Income Tax Disclosures."	December 2023	The standard provides guidance to enhance disclosures related to income taxes paid (net of refunds), requiring disaggregation by federal, state, and foreign, and disclosure of income taxes paid (net of refunds received) by individual jurisdictions that represent greater than 5 percent of the total. The standard also requires disclosure of income (loss) from continuing operations before income taxes, disaggregated between domestic and foreign, and income tax expense (or benefit) disaggregated by federal, state, and foreign. Finally, the standard removes the requirement for certain disclosures related to changes in unrecognized tax benefits and certain amounts of temporary differences. The amendments in this standard are effective for annual periods beginning after December 15, 2024.	NA	We are in the process of evaluating the impact that the standard will have on our consolidated financial statements.

A detailed description of our significant and critical accounting policies, estimates, and assumptions is included in our consolidated financial statements in our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023. Our significant and critical accounting policies, estimates, and assumptions have not changed materially from March 31, 2023.

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Business Acquisitions and Divestitures Business Acquisitions and Divestitures (Notes)

9 Months Ended

Dec. 31, 2023

Business Acquisitions and Divestitures [Abstract]

Business Combination Disclosure

2. Business Acquisitions

On August 2, 2023, we purchased the surgical instrumentation, laparoscopic instrumentation and sterilization container assets from BD (Becton, Dickinson and Company) (NYSE: BDX). The acquired assets from BD are being integrated into our Healthcare segment.

The purchase price of the acquisition was $539,758. The acquisition also qualified for a tax benefit related to tax deductible goodwill, with a present value of approximately $60,000. The purchase price of the acquisition was financed with borrowings from our existing credit facility. For more information, refer to Note 5 titled, "Debt."

The table below summarizes the preliminary allocation of the purchase price to the net assets acquired from BD based on fair values at the acquisition date.

	September 30, 2023 (As Previously Reported)		Adjustments		December 31, 2023(1)
Inventory	27,006		4,721		31,727
Property, plant, and equipment	6,755		1,109		7,864
Intangible assets	303,598		(598)		303,000
Goodwill	202,399		(5,232)		197,167
Total assets acquired	539,758		—		539,758
Net assets acquired	$	539,758	$	—	$	539,758

(1) Purchase price allocation is preliminary as of December 31, 2023, as valuations have not been finalized.

During the first nine months of fiscal 2023, we completed several tuck-in acquisitions, which continued to expand our product and service offerings in the AST and Healthcare segments. Total aggregate consideration was approximately $40,720, including contingent deferred consideration of $6,700.

Acquisition and integration expenses totaled $5,722 and $24,444 for the three and nine months ended December 31, 2023, respectively. Acquisition and integration expenses totaled $4,817 and $18,493 for the three and nine months ended December 31, 2022, respectively. The increase in acquisition and integration expenses for the three and nine months ended December 31, 2023 is primarily due to charges related to the acquisition of assets from BD and a fair value adjustment in the second quarter of fiscal 2024 related to a building held for sale from a previous acquisition. Acquisition and integration expenses are reported in the Selling, general and administrative expenses line of our Consolidated Statements of Income (Loss) and include, but are not limited to, investment banker, advisory, legal and other professional fees, and certain employee-related expenses.

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Inventories, Net (Notes)

9 Months Ended

Dec. 31, 2023

Inventory Disclosure [Abstract]

Inventories, Net

3. Inventories, Net

Inventories are stated at the lower of their cost and net realizable value determined by the first-in, first-out (“FIFO”) cost method. Inventory costs include material, labor, and overhead. Inventories, net consisted of the following:

	December 31, 2023		March 31, 2023
Raw materials	$	303,691	$	239,081
Work in process	117,882		97,756
Finished goods	492,005		404,238
Reserve for excess and obsolete inventory	(57,961)		(45,582)
Inventories, net	$	855,617	$	695,493

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Property, Plant and Equipment (Notes)

9 Months Ended

Dec. 31, 2023

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

4. Property, Plant, and Equipment

Information related to the major categories of our depreciable assets is as follows:

	December 31, 2023		March 31, 2023
Land and land improvements (1)	$	97,381	$	84,313
Buildings and leasehold improvements	756,059		691,933
Machinery and equipment	1,100,273		994,188
Information systems	260,639		247,873
Radioisotope	679,436		637,920
Construction in progress (1)	512,370		478,316
Total property, plant, and equipment	3,406,158		3,134,543
Less: accumulated depreciation and depletion	(1,561,674)		(1,429,031)
Property, plant, and equipment, net	$	1,844,484	$	1,705,512

(1)Land is not depreciated. Construction in progress is not depreciated until placed in service.

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Debt (Notes)

9 Months Ended

Dec. 31, 2023

Debt Disclosure [Abstract]

Debt

5. Debt

Indebtedness was as follows:

	December 31, 2023		March 31, 2023
Short-term debt
Term Loan, current portion	$	37,813	$	27,500
Delayed Draw Term Loan, current portion	40,625		32,500
Total short-term debt	$	78,438	$	60,000
Long-term debt
Private Placement Senior Notes	$	755,020	$	750,302
Revolving Credit Facility	569,974		301,672
Deferred financing costs	(18,607)		(21,444)
Term Loan	14,063		45,000
Delayed Draw Term Loan	560,625		593,125
Senior Public Notes	1,350,000		1,350,000
Total long-term debt	$	3,231,075	$	3,018,655
Total debt	$	3,309,513	$	3,078,655

Additional information regarding our indebtedness is included in the notes to our consolidated financial statements included in our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023

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Additional Consolidated Balance Sheets Information (Notes)

9 Months Ended

Dec. 31, 2023

Notes To Financial Statements [Abstract]

Additional Consolidated Balance Sheets Information

6. Additional Consolidated Balance Sheet Information

Additional information related to our Consolidated Balance Sheets is as follows:

	December 31, 2023		March 31, 2023
Accrued payroll and other related liabilities:
Compensation and related items	$	68,083	$	48,565
Accrued vacation/paid time off	16,798		11,080
Accrued bonuses	59,161		33,605
Accrued employee commissions	31,569		29,257
Other postretirement benefit obligations-current portion	1,121		1,121
Other employee benefit plans obligations-current portion	2,106		2,014
Total accrued payroll and other related liabilities	$	178,838	$	125,642
Accrued expenses and other:
Deferred revenues	$	90,373	$	92,283
Service liabilities	80,620		72,033
Self-insured risk reserves-current portion	12,549		11,325
Accrued dealer commissions	36,386		31,096
Accrued warranty	14,951		13,683
Asset retirement obligation-current portion	535		543
Accrued interest	20,464		9,243
Other	62,219		87,611
Total accrued expenses and other	$	318,097	$	317,817
Other liabilities:
Self-insured risk reserves-long-term portion	$	22,171	$	22,171
Other postretirement benefit obligations-long-term portion	5,778		6,070
Defined benefit pension plans obligations-long-term portion	3,214		2,876
Other employee benefit plans obligations-long-term portion	1,206		1,153
Accrued long-term income taxes	10,129		10,082
Asset retirement obligation-long-term portion	13,182		12,588
Other	22,709		21,197
Total other liabilities	$	78,389	$	76,137

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Income Tax Expense (Notes)

9 Months Ended

Dec. 31, 2023

Income Tax Disclosure [Abstract]

Income Tax Expense

7. Income Taxes

The effective income tax rates for the three month periods ended December 31, 2023 and 2022 were 21.4% and 23.1%, respectively. The fiscal 2024 effective tax rate for the three months ended December 31, 2023 decreased when compared to the prior year period, primarily due to favorable discrete items recognized during fiscal 2024. The effective income tax rates for the nine month periods ended December 31, 2023 and 2022 were 21.8% and (114.8)%, respectively. The fiscal 2024 effective tax rate for the nine months ended December 31, 2023 increased when compared to the prior year period, primarily due to the tax impact of the goodwill impairment loss recognized on the Dental segment during fiscal 2023.

Income tax expense (benefit) is provided on an interim basis based upon our estimate of the annual effective income tax rate, adjusted each quarter for discrete items. In determining the estimated annual effective income tax rate, we analyze various factors, including projections of our annual earnings and taxing jurisdictions in which the earnings will be generated, the impact of state and local income taxes, our ability to use tax credits and net operating loss carry forwards, and available tax planning alternatives.

We operate in numerous taxing jurisdictions and are subject to regular examinations by various United States federal, state and local, as well as foreign jurisdictions. We are no longer subject to United States federal examinations for years before fiscal

2018 and, with limited exceptions, we are no longer subject to United States state and local, or non-United States, income tax examinations by tax authorities for years before fiscal 2017. We remain subject to tax authority audits in various jurisdictions wherever we do business.

In the fourth quarter of fiscal 2021, we completed an appeals process with the U.S. Internal Revenue Service (the “IRS”) regarding proposed audit adjustments related to deductibility of interest paid on intercompany debt for fiscal years 2016 through 2017. An agreement was reached on final interest rates, which also impacts subsequent years through 2020. We estimate the total federal, state, and local tax impact of the settlement to be approximately $12,000, for the fiscal years 2016 through 2020, of which approximately $11,600 has been paid through December 31, 2023.

In November 2023, we received two Notices of Deficiency from the IRS regarding the previously disclosed deemed dividend inclusions and associated withholding tax matter. The notices relate to the fiscal and calendar year 2018. The IRS adjustments would result in a cumulative tax liability of approximately $50,000. We are contesting the IRS’s assertions and have filed petitions with the U.S. Tax Court. We have not established reserves related to these notices. An unfavorable outcome is not expected to have a material adverse impact on our consolidated financial position but could be material to our consolidated results of operations and cash flows for any one period.

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Contingencies (Notes)

9 Months Ended

Dec. 31, 2023

Commitments and Contingencies Disclosure [Abstract]

Contingencies

8. Commitments and Contingencies

We are, and will likely continue to be, involved in a number of legal proceedings, government investigations, and claims, which we believe generally arise in the course of our business given our size, history, complexity, and the nature of our business, products, Customers, regulatory environment, and industries in which we participate. These legal proceedings, investigations and claims generally involve a variety of legal theories and allegations, including, without limitation, personal injury (e.g., slip and falls, burns, vehicle accidents), product liability or regulation (e.g., based on product operation or claimed malfunction, failure to warn, failure to meet specification, or failure to comply with regulatory requirements), product exposure (e.g., claimed exposure to chemicals, gases, asbestos, contaminants, radiation), property damage (e.g., claimed damage due to leaking equipment, fire, vehicles, chemicals), commercial claims (e.g., breach of contract, economic loss, warranty, misrepresentation), financial (e.g., taxes, reporting), employment (e.g., wrongful termination, discrimination, benefits matters), and other claims for damage and relief.

We believe we have adequately reserved for our current litigation and claims that are probable and estimable, and further believe that the ultimate outcome of these pending lawsuits and claims will not have a material adverse effect on our consolidated financial position or results of operations taken as a whole. Due to their inherent uncertainty, however, there can be no assurance of the ultimate outcome or effect of current or future litigation, investigations, claims or other proceedings (including without limitation the matters discussed below). For certain types of claims, we presently maintain insurance coverage for personal injury and property damage and other liability coverages in amounts and with deductibles that we believe are prudent, but there can be no assurance that these coverages will be applicable or adequate to cover adverse outcomes of claims or legal proceedings against us.

Civil, criminal, regulatory or other proceedings involving our products or services could possibly result in judgments, settlements or administrative or judicial decrees requiring us, among other actions, to pay damages or fines or affect recalls, or be subject to other governmental, Customer or other third party claims or remedies, which could materially affect our business, performance, prospects, value, financial condition, and results of operations.

For additional information regarding these matters, see the following portions of our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023, Item 1 titled "Business - Information with respect to our Business in General - Government Regulation" and the "Risk Factors" in Item 1A titled "Product and service related regulations and claims."

From time to time, STERIS is also involved in legal proceedings as a plaintiff involving contract, patent protection, and other claims asserted by us. Gains, if any, from these proceedings are recognized when they are realized.

We are subject to taxation from United States federal, state and local, and foreign jurisdictions. Tax positions are settled primarily through the completion of audits within each individual jurisdiction or the closing of statutes of limitation. Changes in applicable tax law or other events may also require us to revise past estimates. We describe income taxes further in Note 7 to our consolidated financial statements titled, “Income Taxes” in this Quarterly Report on Form 10-Q.

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Business Segment Information (Notes)

9 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Business Segment Information

9. Business Segment Information

We operate and report our financial information in four reportable business segments: Healthcare, AST, Life Sciences and Dental. Non-allocated operating costs that support the entire Company and items not indicative of operating trends are excluded from segment operating income.

Our Healthcare segment provides a comprehensive offering for healthcare providers worldwide, focused on sterile processing departments and procedural centers, such as operating rooms and endoscopy suites. Our products and services range from infection prevention consumables and capital equipment, as well as services to maintain that equipment; to the repair of re-usable procedural instruments; to outsourced instrument reprocessing services. In addition, our procedural products also include endoscopy accessories, instruments, and capital equipment infrastructure used primarily in operating rooms, ambulatory surgery centers, endoscopy suites, and other procedural areas.

Our AST segment is a third-party service provider for contract sterilization as well as testing services needed to validate sterility services for medical device and pharmaceutical manufacturers. Our technology-neutral offering supports Customers every step of the way, from testing through sterilization.

Our Life Sciences segment provides a comprehensive offering of products and services that support pharmaceutical manufacturing, primarily for vaccine and other biopharma Customers focused on aseptic manufacturing. These solutions include a full suite of consumable products, equipment maintenance and specialty services, and capital equipment.

Our Dental segment provides a comprehensive offering for dental practitioners and dental schools, offering instruments, infection prevention consumables and instrument management systems.

We disclose a measure of segment income that is consistent with the way management operates and views the business. The accounting policies for reportable segments are the same as those for the consolidated Company.

For the three and nine months ended December 31, 2023 and 2022, revenues from a single Customer did not represent ten percent or more of the Healthcare, AST or Life Sciences segment revenues. Three Customers collectively and consistently account for more than 40.0% of our Dental segment revenue. The percentage associated with these three Customers collectively in any one period may vary due to the buying patterns of these three Customers as well as other Dental Customers. These three Customers collectively accounted for approximately 47.5% and 44.5% of our Dental segment revenues for the three and nine months ended December 31, 2023, respectively. These three Customers collectively accounted for approximately 47.2% and 43.8% of our Dental segment revenues for the three and nine months ended December 31, 2022, respectively.

Additional information regarding our segments is included in our consolidated financial statements included in our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

Financial information for each of our segments is presented in the following table:

	Three Months Ended December 31,				Nine Months Ended December 31,
	2023		2022		2023		2022
Revenues:
Healthcare	$	916,227	$	769,144	$	2,605,157	$	2,200,483
AST	234,931		222,014		703,083		675,283
Life Sciences	146,566		121,273		411,074		379,248
Dental	97,921		103,563		303,233		317,988
Total revenues	$	1,395,645	$	1,215,994	$	4,022,547	$	3,573,002
Operating income (loss):
Healthcare	$	223,898	$	175,399	$	626,134	$	497,233
AST	105,156		103,539		325,529		323,238
Life Sciences	56,738		45,249		156,863		149,173
Dental	18,292		20,337		64,847		67,992
Corporate	(81,359)		(53,873)		(261,265)		(196,872)
Total operating income	$	322,725	$	290,651	$	912,108	$	840,764
Less: Adjustments
Amortization of acquired intangible assets (1)	$	93,850	$	93,941	$	286,786	$	281,727
Acquisition and integration related charges (2)	5,722		4,817		24,444		18,493
Tax restructuring costs (3)	643		282		652		533
Gain on fair value adjustment of acquisition related contingent consideration (1)	—		—		—		(3,100)
Net (gain) loss on divestiture of businesses (1)	—		(838)		—		3,939
Amortization of inventory and property "step up" to fair value (1)	6,348		1,608		9,329		5,697
Restructuring charges (4)	6		38		2		127
Goodwill impairment loss (5)	—		—		—		490,565
Total income from operations	$	216,156	$	190,803	$	590,895	$	42,783

(1) For more information regarding our recent acquisitions and divestitures, refer to Note 2 titled, "Business Acquisitions and Divestitures" included in our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

(2) Acquisition and integration related charges include transaction costs and integration expenses associated with acquisitions.

(3) Costs incurred in tax restructuring.

(4) For more information regarding our restructuring efforts, refer to our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

(5) For more information regarding our goodwill impairment loss, see Note 17 to our consolidated financial statements titled, "Goodwill and Intangible Assets."

Additional information regarding our fiscal 2024 and fiscal 2023 revenue is disclosed in the following tables:

	Three Months Ended December 31,				Nine Months Ended December 31,
	2023		2022		2023		2022
Healthcare:
Capital equipment	$	266,838	$	227,226	$	759,842	$	618,844
Consumables	329,435		259,810		915,741		757,892
Service	319,954		282,108		929,574		823,747
Total Healthcare Revenues	$	916,227	$	769,144	$	2,605,157	$	2,200,483
AST:
Capital equipment	$	5,241	$	3,679	$	7,869	$	14,783
Service	229,690		218,335		695,214		660,500
Total AST Revenues	$	234,931	$	222,014	$	703,083	$	675,283
Life Sciences:
Capital equipment	$	44,836	$	28,581	$	111,265	$	99,095
Consumables	60,072		55,610		181,179		172,587
Service	41,658		37,082		118,630		107,566
Total Life Sciences Revenues	$	146,566	$	121,273	$	411,074	$	379,248
Dental Revenues	$	97,921	$	103,563	$	303,233	$	317,988
Total Revenues	$	1,395,645	$	1,215,994	$	4,022,547	$	3,573,002

	Three Months Ended December 31,				Nine Months Ended December 31,
	2023		2022		2023		2022
Revenues:
Ireland	$	19,651	$	17,959	$	60,175	$	53,130
United States	1,025,458		883,390		2,948,878		2,589,472
Other locations	350,536		314,645		1,013,494		930,400
Total Revenues	$	1,395,645	$	1,215,994	$	4,022,547	$	3,573,002

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Shares and Preferred Shares (Notes)

9 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Earnings Per Share

10. Shares and Preferred Shares

Ordinary shares

We calculate basic earnings per share based upon the weighted average number of shares outstanding. We calculate diluted earnings per share based upon the weighted average number of shares outstanding plus the dilutive effect of share equivalents calculated using the treasury stock method.

The following is a summary of shares and share equivalents outstanding used in the calculations of basic and diluted earnings per share:

	Three Months Ended December 31,		Nine Months Ended December 31,
Denominator (shares in thousands):	2023	2022	2023	2022
Weighted average shares outstanding—basic	98,802	99,716	98,765	99,922
Dilutive effect of share equivalents(1)	552	450	568	—
Weighted average shares outstanding and share equivalents—diluted	99,354	100,166	99,333	99,922

(1) The dilutive effect of share equivalents is excluded from the calculation of diluted earnings per share for the nine months ended December 31, 2022 due to our net loss for that period.

Options to purchase the following number of shares were outstanding but excluded from the computation of diluted earnings per share because the combined exercise prices, unamortized fair values, and assumed tax benefits upon exercise were greater than the average market price for the shares during the periods, so including these options would be anti-dilutive:

	Three Months Ended December 31,		Nine Months Ended December 31,
(shares in thousands)	2023	2022	2023	2022
Number of share options	654	797	649	577

Additional Authorized Shares

 The Company has an additional authorized share capital of 50,000,000 preferred shares of $0.001 par value each, plus 25,000 deferred ordinary shares of €1.00 par value each, in order to satisfy minimum statutory capital requirements for all Irish public limited companies.

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Equity

9 Months Ended

Dec. 31, 2023

Equity [Abstract]

Treasury Stock

11. Repurchases of Ordinary Shares

On May 3, 2023 our Board of Directors terminated the previous share repurchase program and authorized a new share repurchase program for the purchase of up to $500,000 (net of taxes, fees and commissions). This share repurchase program has no specified expiration date.

Under the authorization, the Company may repurchase its shares from time to time through open market purchases, including 10b5-1 plans. Any share repurchases may be activated, suspended or discontinued at any time.

During the first nine months of fiscal 2024, we had no share repurchase activity pursuant to authorizations under the share repurchase program. During the first nine months of fiscal 2023, we repurchased 775,320 of our ordinary shares for the aggregate amount of $148,306 (net of fees and commissions) pursuant to the authorizations under the share repurchase program.

During the first nine months of fiscal 2024, we obtained 69,276 of our ordinary shares in the aggregate amount of $11,440 in connection with share-based compensation award programs. During the first nine months of fiscal 2023, we obtained 74,897 of our ordinary shares in the aggregate amount of $13,060 in connection with share-based compensation award programs.

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Share-Based Compensation (Notes)

9 Months Ended

Dec. 31, 2023

Share-Based Payment Arrangement [Abstract]

Share-Based Compensation

12. Share-Based Compensation

We maintain a long-term incentive plan that makes available shares for grants, at the discretion of the Board of Directors or the Compensation and Organizational Development Committee of the Board of Directors, to officers, directors, and key employees in the form of stock options, restricted shares, restricted share units, stock appreciation rights and share grants. We satisfy share award incentives through the issuance of new ordinary shares.

Stock options provide the right to purchase our shares at the market price on the date of grant, or for options granted to employees in fiscal 2019 and thereafter, 110% of the market price on the date of grant, subject to the terms of the plan and agreements. Generally, one-fourth of the stock options granted to employees become exercisable for each full year of employment following the grant date. Stock options granted generally expire 10 years after the grant date, or in some cases earlier if the option holder is no longer employed by us. Restricted shares and restricted share units generally cliff vest after a three or four year period or vest in equal tranches for each year of employment after the grant date. As of December 31, 2023, 2,368,027 ordinary shares remained available for grant under the long-term incentive plan.

The fair value of share-based stock option compensation awards was estimated at their grant date using the Black-Scholes-Merton option pricing model. This model was developed for use in estimating the fair value of traded options that have no vesting restrictions and are fully transferable, characteristics that are not present in our option grants. If the model permitted consideration of the unique characteristics of employee stock options, the resulting estimate of the fair value of the stock options could be different. The value of the portion of the award that is ultimately expected to vest is recognized as expense over the requisite service periods, which may be impacted by retirement eligibility, in our Consolidated Statements of Income (Loss). The expense is classified as Cost of revenues or Selling, general and administrative expenses in a manner consistent with the employee’s compensation and benefits.

The following weighted average assumptions were used for options granted during the first nine months of fiscal 2024 and 2023:

	Fiscal 2024		Fiscal 2023
Risk-free interest rate	3.59	%	2.44	%
Expected life of options	6.0 years		5.9 years
Expected dividend yield of stock	1.08	%	0.80	%
Expected volatility of stock	27.92	%	24.49	%

The risk-free interest rate is based upon the U.S. Treasury yield curve. The expected life of options is reflective of historical experience, vesting schedules and contractual terms. The expected dividend yield of stock represents our best estimate of the expected future dividend yield. The expected volatility of stock is derived by referring to our historical stock prices over a time frame similar to that of the expected life of the grant. An estimated forfeiture rate of 2.22% and 2.54% was applied in fiscal 2024 and 2023, respectively. This rate is calculated based upon historical activity and represents an estimate of the granted options not expected to vest. If actual forfeitures differ from this calculated rate, we may be required to make additional adjustments to compensation expense in future periods. The assumptions used above are reviewed at the time of each significant option grant, or at least annually.

A summary of share option activity is as follows:

	Number of Options	Weighted Average Exercise Price Per Share		Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at March 31, 2023	1,749,729	$	154.60
Granted	253,946	220.24
Exercised	(53,881)	60.54
Forfeited	(3,415)	199.26
Outstanding at December 31, 2023	1,946,379	$	165.69	6.1 years	$	112,785
Exercisable at December 31, 2023	1,343,419	$	139.95	5.1 years	$	109,367

We estimate that 591,310 of the non-vested stock options outstanding at December 31, 2023 will ultimately vest.

The aggregate intrinsic value in the table above represents the total pre-tax difference between the $219.85 closing price of our ordinary shares on December 31, 2023 over the exercise prices of the stock options, multiplied by the number of options outstanding or outstanding and exercisable, as applicable. The aggregate intrinsic value is not recorded for financial accounting purposes, and the value changes daily based on the daily changes in the fair market value of our ordinary shares.

The total intrinsic value of stock options exercised during the first nine months of fiscal 2024 and fiscal 2023 was $8,350 and $4,638, respectively. Net cash proceeds from the exercise of stock options were $3,526 and $1,497 for the first nine months of fiscal 2024 and fiscal 2023, respectively.

The weighted average grant date fair value of stock option grants was $54.60 and $50.72 for the first nine months of fiscal 2024 and fiscal 2023, respectively.

A summary of the non-vested restricted share and share unit activity is presented below:

	Number of Restricted Shares	Number of Restricted Share Units	Weighted Average Grant Date Fair Value
Non-vested at March 31, 2023	450,793	28,542	$	186.60
Granted	173,074	18,344	201.48
Vested	(146,912)	(15,408)	163.81
Forfeited	(13,714)	(1,419)	194.71
Non-vested at December 31, 2023	463,241	30,059	$	199.57

Restricted shares and restricted share unit grants are valued based on the closing stock price at the grant date. The value of restricted shares and units at the time of grant that vested during the first nine months of fiscal 2024 was $26,487.

As of December 31, 2023, there was a total of $68,670 in unrecognized compensation cost related to non-vested share-based compensation granted under our share-based compensation plans. We expect to recognize the cost over a weighted average period of 1.8 years.

Cantel Share Based Compensation Plan

In connection with the acquisition of Cantel, outstanding, non-vested Cantel restricted share units were replaced with STERIS restricted share units.

As of December 31, 2023, there was a total of $16 in unrecognized compensation cost related to non-vested STERIS restricted share units awarded to replace Cantel restricted share units. We expect to recognize the remaining cost by the fourth quarter of fiscal 2024.

A summary of the non-vested restricted share units activity associated with the Cantel share-based compensation plans is presented below:

	Number of Restricted Share Units	Weighted Average Grant Date Fair Value
Non-vested at March 31, 2023	15,670	$	191.18
Vested	(14,358)	191.18
Forfeited	(762)	191.18
Non-vested at December 31, 2023	550	$	191.18

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Financial and Other Guarantees(Notes)

9 Months Ended

Dec. 31, 2023

Product Warranties Disclosures [Abstract]

Product Warranty Disclosure

13. Financial and Other Guarantees

We generally offer a limited parts and labor warranty on capital equipment. The specific terms and conditions of those warranties vary depending on the product sold and the countries where we conduct business. We record a liability for the estimated cost of product warranties at the time product revenues are recognized. The amounts we expect to incur on behalf of our Customers for the future estimated cost of these warranties are recorded as a current liability on the accompanying Consolidated Balance Sheets. Factors that affect the amount of our warranty liability include the number and type of installed units, historical and anticipated rates of product failures, and material and service costs per claim. We periodically assess the adequacy of our recorded warranty liabilities and adjust the amounts as necessary.

Changes in our warranty liability during the first nine months of fiscal 2024 were as follows:

	Warranties
Balance at March 31, 2023	$	13,683
Warranties issued during the period	12,519
Settlements made during the period	(11,251)
Balance at December 31, 2023	$	14,951

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Deritvatives and Hedging (Notes)

9 Months Ended

Dec. 31, 2023

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments and Hedging Activities Disclosure

14. Derivatives and Hedging

From time to time, we enter into forward contracts to hedge potential foreign currency gains and losses that arise from transactions denominated in foreign currencies, including intercompany transactions. We may also enter into commodity swap contracts to hedge price changes in nickel that impact raw materials included in our Cost of revenues. During the third quarter of fiscal 2024, we also held forward foreign currency contracts to hedge a portion of our expected non-U.S. dollar-denominated earnings against our reporting currency, the U.S. dollar. These foreign currency exchange contracts will mature in fiscal 2024. We did not elect hedge accounting for these forward foreign currency contracts; however, we may seek to apply hedge accounting in future scenarios. We do not use derivative financial instruments for speculative purposes.

These contracts are not designated as hedging instruments and do not receive hedge accounting treatment; therefore, changes in their fair value are not deferred but are recognized immediately in the Consolidated Statements of Income (Loss). At December 31, 2023, we held net foreign currency forward contracts to buy 42.0 million British pounds sterling; and to sell 49.9 million Mexican pesos, 24.0 million Australian dollars, and 18.1 million euros. At December 31, 2023, we held commodity swap contracts to buy 188.3 thousand pounds of nickel.

	Asset Derivatives				Liability Derivatives
	Fair Value at		Fair Value at		Fair Value at		Fair Value at
Balance sheet location	December 31, 2023		March 31, 2023		December 31, 2023		March 31, 2023
Prepaid & other	$	742	$	378	$	—	$	—
Accrued expenses and other	$	—	$	—	$	1,701	$	2,054

The following table presents the impact of derivative instruments and their location within the Consolidated Statements of Income (Loss):

	Location of gain (loss) recognized in income	Amount of gain (loss) recognized in income
		Three Months Ended December 31,				Nine Months Ended December 31,
		2023		2022		2023		2022
Foreign currency forward contracts	Selling, general and administrative	$	(292)	$	952	$	1,226	$	5,581
Commodity swap contracts	Cost of revenues	$	(316)	$	1,189	$	(1,708)	$	(1,994)

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Fair Value Measurements (Notes)

9 Months Ended

Dec. 31, 2023

Fair Value Disclosures [Abstract]

Fair Value Disclosures

15. Fair Value Measurements

Fair value is defined as the price that would be received to sell an asset or that would be paid to transfer a liability in an orderly transaction between market participants at the measurement date. We estimate the fair value of financial assets and liabilities using available market information and generally accepted valuation methodologies. The inputs used to measure fair value are classified into three tiers. These tiers include Level 1, defined as observable inputs such as quoted prices in active markets; Level 2, defined as inputs other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring the entity to develop its own assumptions.

The following table shows the fair value of our financial assets and liabilities at December 31, 2023 and March 31, 2023:

					Fair Value Measurements
	Carrying Value				Quoted Prices in Active Markets for Identical Assets				Significant Other Observable Inputs				Significant Unobservable Inputs
					Level 1				Level 2				Level 3
	December 31,		March 31,		December 31,		March 31,		December 31,		March 31,		December 31,		March 31,
Assets:
Cash and cash equivalents	$	195,585	$	208,357	$	195,585	$	208,357	$	—	$	—	$	—	$	—
Forward and swap contracts (1)	742		378		—		—		742		378		—		—
Equity investments(2)	8,099		7,069		8,099		7,069		—		—		—		—
Other investments	2,919		2,066		2,919		2,066		—		—		—		—
Liabilities:
Forward and swap contracts (1)	$	1,701	$	2,054	$	—	$	—	$	1,701	$	2,054	$	—	$	—
Deferred compensation plans (2)	1,082		1,022		1,082		1,022		—		—		—		—
Debt (3)	3,309,513		3,078,655		—		—		3,039,581		2,754,218		—		—
Contingent consideration obligations (4)	10,801		15,678		—		—		—		—		10,801		15,678

(1) The fair values of forward and swap contracts are based on period-end forward rates and reflect the value of the amount that we would pay or receive for the contracts involving the same notional amounts and maturity dates.

(2) We maintain a frozen domestic non-qualified deferred compensation plan covering certain employees, which allowed for the deferral of payment of previously earned compensation for an employee-specified term or until retirement or termination. Amounts deferred can be allocated to various hypothetical investment options (compensation deferrals have been frozen under the plan). We hold investments to satisfy the future obligations of the plan. Employees who made deferrals are entitled to receive distributions of their hypothetical account balances (amounts deferred, together with earnings (losses)). We also hold an investment in the common stock of Servizi Italia, S.p.A, a leading provider of integrated linen washing and outsourced sterile processing services to hospital Customers. Changes in the fair value of these investments are recorded in the "Interest and miscellaneous (income) expense" line of the Consolidated Statements of Income (Loss). During the third quarter and first nine months of fiscal 2024, we recorded gains of $881 and $1,019, respectively, related to these investments. During the third quarter and first nine months of fiscal 2023, we recorded (losses) gains of $(342) and $1,385,respectively, related to these investments.

(3) We estimate the fair value of our debt using discounted cash flow analyses, based on estimated current incremental borrowing rates for similar types of borrowing arrangements.

(4) Contingent consideration obligations arise from prior business acquisitions. The fair values are based on discounted cash flow analyses reflecting the possible achievement of specified performance measures or events and captures the contractual nature of the contingencies, commercial risk, and the time value of money. Contingent consideration obligations are classified in the consolidated balance sheets as accrued expense (short-term) and other liabilities (long-term), as appropriate based on the contractual payment dates.

The changes in Level 3 assets and liabilities measured at fair value on a recurring basis at December 31, 2023 are summarized as follows:

	Contingent Consideration
Balance at March 31, 2023	$	15,678
Additions	1,087
Payments	(5,947)
Currency translation adjustments	(17)
Balance at December 31, 2023	$	10,801

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Reclassifications out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income (Notes)

9 Months Ended

Dec. 31, 2023

Reclassifications out of AOCI [Abstract]

Comprehensive Income (Loss) Note [Text Block]

16. Reclassifications Out of Accumulated Other Comprehensive Income (Loss)

Amounts in Accumulated Other Comprehensive Income (Loss) are presented net of the related tax. Currency Translation is not adjusted for income taxes. Changes in our Accumulated Other Comprehensive Income (Loss) balances, net of tax, for the three and nine months ended December 31, 2023 and 2022 were as follows:

	Defined Benefit Plans (1)				Currency Translation (2)				Total Accumulated Other Comprehensive Loss
	Three Months		Nine Months		Three Months		Nine Months		Three Months		Nine Months
Beginning Balance	$	129	$	12	$	(386,864)	$	(320,722)	$	(386,735)	$	(320,710)
Other Comprehensive Income (Loss) before reclassifications	408		1,160		134,048		67,906		134,456		69,066
Amounts reclassified from Accumulated Other Comprehensive Loss	(350)		(985)		—		—		(350)		(985)
Net current-period Other Comprehensive Income (Loss)	58		175		134,048		67,906		134,106		68,081
Balance at December 31, 2023	$	187	$	187	$	(252,816)	$	(252,816)	$	(252,629)	$	(252,629)

(1) The amortization (gain) of defined benefit plan costs is reported in the Interest and miscellaneous (income) expense line of our Consolidated Statements of Income (Loss).

(2) The effective portion of gain or loss on net debt designated as non-derivative net investment hedging instruments is recognized in Accumulated Other Comprehensive Income and is reclassified to income in the same period when a gain or loss related to the net investment is included in income.

	Defined Benefit Plans (1)				Currency Translation (2)				Total Accumulated Other Comprehensive Loss
	Three Months		Nine Months		Three Months		Nine Months		Three Months		Nine Months
Beginning Balance	$	1,332	$	1,276	$	(599,480)	$	(211,084)	$	(598,148)	$	(209,808)
Other Comprehensive Income (Loss) before reclassifications	138		431		233,958		(154,438)		234,096		(154,007)
Amounts reclassified from Accumulated Other Comprehensive Loss	(111)		(348)		—		—		(111)		(348)
Net current-period Other Comprehensive Income (Loss)	27		83		233,958		(154,438)		233,985		(154,355)
Balance at December 31, 2022	$	1,359	$	1,359	$	(365,522)	$	(365,522)	$	(364,163)	$	(364,163)

1) The amortization (gain) of defined benefit plan costs is reported in the Interest and miscellaneous (income) expense line of our Consolidated Statements of Income (Loss).

(2) The effective portion of gain or loss on net debt designated as non-derivative net investment hedging instruments is recognized in Accumulated Other Comprehensive Income and is reclassified to income in the same period when a gain or loss related to the net investment is included in income.

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Intangible Assets, Goodwill and Other

9 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets Disclosure

17. Goodwill and Intangible Assets

Changes to the carrying amount of goodwill for the nine months ended December 31, 2023 and 2022 are as follows:

	Healthcare Segment		Life Sciences Segment		AST Segment		Dental Segment		Total
Balance at March 31, 2023	$	2,301,273	$	181,812	$	1,396,134	$	—	$	3,879,219
Goodwill acquired	202,399		—		—		—		202,399
Measurement period adjustments to acquired goodwill (1)	(7,805)		—		—		—		(7,805)
Foreign currency translation adjustments	12,244		2,135		23,491		—		37,870
Balance at December 31, 2023	$	2,508,111	$	183,947	$	1,419,625	$	—	$	4,111,683

	Healthcare Segment		Life Sciences Segment		AST Segment		Dental Segment		Total
Balance at March 31, 2022	$	2,326,830	$	179,288	$	1,432,858	$	465,367	$	4,404,343
Goodwill acquired	10,753		—		—		—		10,753
Measurement period adjustments to acquired goodwill (1)	(21,624)		3,147		—		40,565		22,088
Impairment	—		—		—		(490,565)		(490,565)
Divestiture	(2,358)		—		—		—		(2,358)
Foreign currency translation adjustments	(18,157)		(1,073)		(56,655)		(15,367)		(91,252)
Balance at December 31, 2022	$	2,295,444	$	181,362	$	1,376,203	$	—	$	3,853,009

1) Measurement period adjustments represent adjustments to the purchase price allocations for recent acquisitions whose allocations had been considered preliminary.

See Note 2, titled "Business Acquisitions," for additional information regarding our recent business acquisitions.

We evaluate the recoverability of recorded goodwill and indefinite-lived intangible assets annually during the third fiscal quarter, or when indicators of potential impairment exist. Our goodwill is assessed at the reporting unit level which is equivalent to the Company's reportable operating segments.

As of the period ended December 31, 2023, there were no indicators that impairment of goodwill or indefinite-lived intangible assets was more likely than not. In the prior year period, we recorded a goodwill impairment charge of $490,565 related to our Dental segment. For more information regarding the goodwill impairment loss, refer to our Annual Report on Form 10-K for the year ended March 31, 2023, which was filed with the SEC on May 26, 2023.

Identifiable intangible assets are reviewed for impairment when events and circumstances indicate that the carrying value of such assets may not be recoverable. Impaired assets are recorded at the lower of carrying value or estimated fair value. We conduct this review on an ongoing basis, and, if impairment exists, we record the loss in the Consolidated Statements of Income during that period.

When we evaluate these assets for impairment, we make certain judgments and estimates, including interpreting current economic indicators and market valuations, evaluating our strategic plans with regards to operations, historical and anticipated performance of operations, and other factors. It is possible that unfavorable developments related to these factors in the near term could result in an impairment loss relative to intangible assets. Such an impairment loss may be material to our results of operations in the period recorded.

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Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Pay vs Performance Disclosure
Net Income (Loss) Attributable to Parent	$ 140,743	$ 123,828	$ 379,616	$ (80,195)

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Insider Trading Arrangements	9 Months Ended
	Dec. 31, 2023
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

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Nature of Operations and Summary of Significant Accounting Policies Accounting Policies (Policies)

9 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Principles of Consolidation

Principles of Consolidation

We use the consolidation method to report our investment in our subsidiaries. Therefore, the accompanying consolidated financial statements include the accounts of the Company and its wholly-owned and majority-owned subsidiaries. We eliminate intercompany accounts and transactions when we consolidate these accounts. Investments in equity of unconsolidated affiliates, over which the Company has significant influence, but not control, over the financial and operating polices, are accounted for primarily using the equity method. These investments are immaterial to the Company's consolidated financial statements.

Use of Estimates

Use of Estimates

We make certain estimates and assumptions when preparing financial statements according to U.S. GAAP that affect the reported amounts of assets and liabilities at the financial statement dates and the reported amounts of revenues and expenses during the periods presented. These estimates and assumptions involve judgments with respect to many factors that are difficult to predict and are beyond our control. Actual results could be materially different from these estimates. We revise the estimates and assumptions as new information becomes available. This means that operating results for the three and nine month periods ended December 31, 2023 are not necessarily indicative of results that may be expected for future quarters or for the full fiscal year ending March 31, 2024.

Revenue

Revenue Recognition and Associated Liabilities

Revenue is recognized when obligations under the terms of the contract are satisfied and control of the promised products or services have transferred to the Customer. Revenues are measured at the amount of consideration that we expect to be paid in exchange for the products or services. Product revenue is recognized when control passes to the Customer, which is generally based on contract or shipping terms. Service revenue is recognized when the Customer benefits from the service, which occurs either upon completion of the service or as it is provided to the Customer. Our Customers include end users as well as dealers and distributors who market and sell our products. Our revenue is not contingent upon resale by the dealer or distributor, and we have no further obligations related to bringing about resale. Our standard return and restocking fee policies are applied to sales of products. Shipping and handling costs charged to Customers are included in Product revenues. The associated

expenses are treated as fulfillment costs and are included in Cost of revenues. Revenues are reported net of sales and value-added taxes collected from Customers.

We have individual Customer contracts that offer discounted pricing. Dealers and distributors may be offered sales incentives in the form of rebates. We reduce revenue for discounts and estimated returns, rebates, and other similar allowances in the same period the related revenues are recorded. The reduction in revenue for these items is estimated based on historical experience and trend analysis to the extent that it is probable that a significant reversal of revenue will not occur. Estimated returns are recorded gross on the Consolidated Balance Sheets.

In transactions that contain multiple performance obligations, such as when products, maintenance services, and other services are combined, we recognize revenue as each product is delivered or service is provided to the Customer. We allocate the total arrangement consideration to each performance obligation based on its relative standalone selling price, which is the price for the product or service when it is sold separately.

Payment terms vary by the type and location of the Customer and the products or services offered. Generally, the time between when revenue is recognized and when payment is due is not significant. We do not evaluate whether the selling price contains a financing component for contracts that have a duration of less than one year.

We do not capitalize sales commissions as substantially all of our sales commission programs have an amortization period of one year or less.

Certain costs to fulfill a contract are capitalized and amortized over the term of the contract if they are recoverable, directly related to a contract and generate resources that we will use to fulfill the contract in the future. At December 31, 2023, assets related to costs to fulfill a contract were not material to our consolidated financial statements.

Refer to Note 9 titled, "Business Segment Information" for disaggregation of revenue.

Product Revenues

Product revenues consist of revenues generated from sales of consumables and capital equipment. These contracts are primarily based on a Customer’s purchase order and may include a Distributor, Dealer or Group Purchasing Organization ("GPO") agreement. We recognize revenue for sales of products when control passes to the Customer, which generally occurs either when the products are shipped or when they are received by the Customer. Revenue related to capital equipment products is deferred until installation is complete if the capital equipment and installation are highly integrated and form a single performance obligation.

Service Revenues

Within our Healthcare and Life Sciences segments, service revenues include revenue generated from parts and labor associated with the maintenance, repair and installation of capital equipment. These contracts are primarily based on a Customer’s purchase order and may include a Distributor, Dealer, or GPO agreement. For maintenance, repair and installation of capital equipment, revenue is recognized upon completion of the service. Healthcare service revenues also include outsourced reprocessing services and instrument repairs. Contracts for outsourced reprocessing services are primarily based on an agreement with a Customer, ranging in length from several months to 15 years. Outsourced reprocessing services revenue is recognized ratably over the contract term using a time-based input measure, adjusted for volume and other performance metrics, to the extent that it is probable that a significant reversal of revenue will not occur. Contracts for instrument repairs are primarily based on a Customer’s purchase order, and the associated revenue is recognized upon completion of the repair.

We also offer preventive maintenance and separately priced extended warranty agreements to our Customers, which require us to maintain and repair our products over the duration of the contract. Generally, these contract terms are cancellable without penalty and range from one to five years. Amounts received under these Customer contracts are initially recorded as a service liability and are recognized as service revenue ratably over the contract term using a time-based input measure.

Within our AST segment, service revenues include contract sterilization and laboratory services. Sales contracts for contract sterilization and laboratory services are primarily based on a Customer’s purchase order and associated Customer agreement, and revenues are generally recognized upon completion of the service.

Contract Liabilities

Payments received from Customers are based on invoices or billing schedules as established in contracts with Customers. Deferred revenue is recorded when payment is received in advance of performance under the contract. Deferred revenue is recognized as revenue upon completion of the performance obligation, which generally occurs within one year. During the first nine months of fiscal 2024, $70,181 of the March 31, 2023 deferred revenue balance was recorded as revenue. During the first nine months of fiscal 2023, $76,861 of the March 31, 2022 deferred revenue balance was recorded as revenue.

Refer to Note 6 titled, "Additional Consolidated Balance Sheet Information" for deferred revenue balances.

Service Liabilities

Payments received in advance of performance for cancellable preventive maintenance and separately priced extended warranty contracts are recorded as service liabilities. Service liabilities are recognized as revenue as performance is rendered under the contract.

Refer to Note 6 titled, "Additional Consolidated Balance Sheet Information" for service liability balances.

Remaining Performance Obligations

Remaining performance obligations reflect only the performance obligations related to agreements for which we have a firm commitment from a Customer to purchase and exclude variable consideration related to unsatisfied performance obligations. With regard to products, these remaining performance obligations include orders for capital equipment and consumables where control of the product has not passed to the Customer. With regard to service, these remaining performance obligations primarily include installation, certification, and outsourced reprocessing services. As of December 31, 2023, the transaction price allocated to remaining performance obligations was approximately $1,555,119. We expect to recognize approximately 56% of the transaction price within one year and approximately 32% beyond one year. The remainder has yet to be scheduled for delivery.

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Accounting Policies (Tables)

9 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

New Accounting Pronouncement, Early Adoption

Recently Issued Accounting Standards Impacting the Company are presented in the following table:

Standard	Date of Issuance	Description	Date of Adoption	Effect on the financial statements or other significant matters
Standards that have been adopted in fiscal 2024
ASU 2022-04 "Liabilities - Supplier Finance Programs (Subtopic 405-50) Disclosure of Supplier Finance Program Obligations."	September 2022	The standard provides guidance to enhance the transparency of disclosures for entities that utilize supplier finance programs to include information about the key terms of the programs and present a rollforward of any obligations under the program where those obligations are presented in the balance sheet.	Fiscal 2024	We adopted this standard in fiscal 2024 with no material impact to our consolidated financial statements.
Standards that have not yet been adopted
ASU 2023-07 "Segment Reporting (Topic 280) Improvements to Reportable Segment Disclosures."	November 2023	The standard provides guidance to enhance disclosures related to reportable segment expenses, including requirements to disclose significant segment expenses that are regularly provided to the Chief Operating Decision Maker ("CODM"), the title and position of the CODM and a description of how the CODM uses the information to make decisions regarding the allocation of resources. The standard also requires disclosure of certain segment information currently required annually to be reported on an interim basis. The amendments in this standard are effective for annual periods beginning after December 15, 2023 and interim periods within fiscal years beginning after December 15, 2024.	NA	We are in the process of evaluating the impact that the standard will have on our consolidated financial statements.
ASU 2023-09 "Income Taxes (Topic 740) Improvements to Income Tax Disclosures."	December 2023	The standard provides guidance to enhance disclosures related to income taxes paid (net of refunds), requiring disaggregation by federal, state, and foreign, and disclosure of income taxes paid (net of refunds received) by individual jurisdictions that represent greater than 5 percent of the total. The standard also requires disclosure of income (loss) from continuing operations before income taxes, disaggregated between domestic and foreign, and income tax expense (or benefit) disaggregated by federal, state, and foreign. Finally, the standard removes the requirement for certain disclosures related to changes in unrecognized tax benefits and certain amounts of temporary differences. The amendments in this standard are effective for annual periods beginning after December 15, 2024.	NA	We are in the process of evaluating the impact that the standard will have on our consolidated financial statements.

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Business Acquisitions and Divestitures Business Acquisitions and Divestitures (Tables)

9 Months Ended

Dec. 31, 2023

Business Acquisitions and Divestitures [Abstract]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The table below summarizes the preliminary allocation of the purchase price to the net assets acquired from BD based on fair values at the acquisition date.

	September 30, 2023 (As Previously Reported)		Adjustments		December 31, 2023(1)
Inventory	27,006		4,721		31,727
Property, plant, and equipment	6,755		1,109		7,864
Intangible assets	303,598		(598)		303,000
Goodwill	202,399		(5,232)		197,167
Total assets acquired	539,758		—		539,758
Net assets acquired	$	539,758	$	—	$	539,758

(1) Purchase price allocation is preliminary as of December 31, 2023, as valuations have not been finalized.

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Inventories, Net Inventories, Net (Tables)

9 Months Ended

Dec. 31, 2023

Inventory Disclosure [Abstract]

Schedule of Inventory

	December 31, 2023		March 31, 2023
Raw materials	$	303,691	$	239,081
Work in process	117,882		97,756
Finished goods	492,005		404,238
Reserve for excess and obsolete inventory	(57,961)		(45,582)
Inventories, net	$	855,617	$	695,493

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Property, Plant and Equipment Property, Plant and Equipment (Tables)

9 Months Ended

Dec. 31, 2023

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Information related to the major categories of our depreciable assets is as follows:

	December 31, 2023		March 31, 2023
Land and land improvements (1)	$	97,381	$	84,313
Buildings and leasehold improvements	756,059		691,933
Machinery and equipment	1,100,273		994,188
Information systems	260,639		247,873
Radioisotope	679,436		637,920
Construction in progress (1)	512,370		478,316
Total property, plant, and equipment	3,406,158		3,134,543
Less: accumulated depreciation and depletion	(1,561,674)		(1,429,031)
Property, plant, and equipment, net	$	1,844,484	$	1,705,512

(1)Land is not depreciated. Construction in progress is not depreciated until placed in service.

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Debt Debt (Tables)

9 Months Ended

Dec. 31, 2023

Debt Disclosure [Abstract]

Schedule of Debt

Indebtedness was as follows:

	December 31, 2023		March 31, 2023
Short-term debt
Term Loan, current portion	$	37,813	$	27,500
Delayed Draw Term Loan, current portion	40,625		32,500
Total short-term debt	$	78,438	$	60,000
Long-term debt
Private Placement Senior Notes	$	755,020	$	750,302
Revolving Credit Facility	569,974		301,672
Deferred financing costs	(18,607)		(21,444)
Term Loan	14,063		45,000
Delayed Draw Term Loan	560,625		593,125
Senior Public Notes	1,350,000		1,350,000
Total long-term debt	$	3,231,075	$	3,018,655
Total debt	$	3,309,513	$	3,078,655

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Additional Consolidated Balance Sheets Information Additional Consolidated Balance Sheets Information (Tables)

9 Months Ended

Dec. 31, 2023

Notes To Financial Statements [Abstract]

Additional Consolidated Balance Sheets Information

6. Additional Consolidated Balance Sheet Information

Additional information related to our Consolidated Balance Sheets is as follows:

	December 31, 2023		March 31, 2023
Accrued payroll and other related liabilities:
Compensation and related items	$	68,083	$	48,565
Accrued vacation/paid time off	16,798		11,080
Accrued bonuses	59,161		33,605
Accrued employee commissions	31,569		29,257
Other postretirement benefit obligations-current portion	1,121		1,121
Other employee benefit plans obligations-current portion	2,106		2,014
Total accrued payroll and other related liabilities	$	178,838	$	125,642
Accrued expenses and other:
Deferred revenues	$	90,373	$	92,283
Service liabilities	80,620		72,033
Self-insured risk reserves-current portion	12,549		11,325
Accrued dealer commissions	36,386		31,096
Accrued warranty	14,951		13,683
Asset retirement obligation-current portion	535		543
Accrued interest	20,464		9,243
Other	62,219		87,611
Total accrued expenses and other	$	318,097	$	317,817
Other liabilities:
Self-insured risk reserves-long-term portion	$	22,171	$	22,171
Other postretirement benefit obligations-long-term portion	5,778		6,070
Defined benefit pension plans obligations-long-term portion	3,214		2,876
Other employee benefit plans obligations-long-term portion	1,206		1,153
Accrued long-term income taxes	10,129		10,082
Asset retirement obligation-long-term portion	13,182		12,588
Other	22,709		21,197
Total other liabilities	$	78,389	$	76,137

Schedule of Accrued Liabilities [Table Text Block]

Additional information related to our Consolidated Balance Sheets is as follows:

	December 31, 2023		March 31, 2023
Accrued payroll and other related liabilities:
Compensation and related items	$	68,083	$	48,565
Accrued vacation/paid time off	16,798		11,080
Accrued bonuses	59,161		33,605
Accrued employee commissions	31,569		29,257
Other postretirement benefit obligations-current portion	1,121		1,121
Other employee benefit plans obligations-current portion	2,106		2,014
Total accrued payroll and other related liabilities	$	178,838	$	125,642
Accrued expenses and other:
Deferred revenues	$	90,373	$	92,283
Service liabilities	80,620		72,033
Self-insured risk reserves-current portion	12,549		11,325
Accrued dealer commissions	36,386		31,096
Accrued warranty	14,951		13,683
Asset retirement obligation-current portion	535		543
Accrued interest	20,464		9,243
Other	62,219		87,611
Total accrued expenses and other	$	318,097	$	317,817
Other liabilities:
Self-insured risk reserves-long-term portion	$	22,171	$	22,171
Other postretirement benefit obligations-long-term portion	5,778		6,070
Defined benefit pension plans obligations-long-term portion	3,214		2,876
Other employee benefit plans obligations-long-term portion	1,206		1,153
Accrued long-term income taxes	10,129		10,082
Asset retirement obligation-long-term portion	13,182		12,588
Other	22,709		21,197
Total other liabilities	$	78,389	$	76,137

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Business Segment Information Business Segment Information (Tables)

9 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Financial information for each of our segments is presented in the following table:

	Three Months Ended December 31,				Nine Months Ended December 31,
	2023		2022		2023		2022
Revenues:
Healthcare	$	916,227	$	769,144	$	2,605,157	$	2,200,483
AST	234,931		222,014		703,083		675,283
Life Sciences	146,566		121,273		411,074		379,248
Dental	97,921		103,563		303,233		317,988
Total revenues	$	1,395,645	$	1,215,994	$	4,022,547	$	3,573,002
Operating income (loss):
Healthcare	$	223,898	$	175,399	$	626,134	$	497,233
AST	105,156		103,539		325,529		323,238
Life Sciences	56,738		45,249		156,863		149,173
Dental	18,292		20,337		64,847		67,992
Corporate	(81,359)		(53,873)		(261,265)		(196,872)
Total operating income	$	322,725	$	290,651	$	912,108	$	840,764
Less: Adjustments
Amortization of acquired intangible assets (1)	$	93,850	$	93,941	$	286,786	$	281,727
Acquisition and integration related charges (2)	5,722		4,817		24,444		18,493
Tax restructuring costs (3)	643		282		652		533
Gain on fair value adjustment of acquisition related contingent consideration (1)	—		—		—		(3,100)
Net (gain) loss on divestiture of businesses (1)	—		(838)		—		3,939
Amortization of inventory and property "step up" to fair value (1)	6,348		1,608		9,329		5,697
Restructuring charges (4)	6		38		2		127
Goodwill impairment loss (5)	—		—		—		490,565
Total income from operations	$	216,156	$	190,803	$	590,895	$	42,783

Revenue from External Customers by Products and Services [Table Text Block]

	Three Months Ended December 31,				Nine Months Ended December 31,
	2023		2022		2023		2022
Healthcare:
Capital equipment	$	266,838	$	227,226	$	759,842	$	618,844
Consumables	329,435		259,810		915,741		757,892
Service	319,954		282,108		929,574		823,747
Total Healthcare Revenues	$	916,227	$	769,144	$	2,605,157	$	2,200,483
AST:
Capital equipment	$	5,241	$	3,679	$	7,869	$	14,783
Service	229,690		218,335		695,214		660,500
Total AST Revenues	$	234,931	$	222,014	$	703,083	$	675,283
Life Sciences:
Capital equipment	$	44,836	$	28,581	$	111,265	$	99,095
Consumables	60,072		55,610		181,179		172,587
Service	41,658		37,082		118,630		107,566
Total Life Sciences Revenues	$	146,566	$	121,273	$	411,074	$	379,248
Dental Revenues	$	97,921	$	103,563	$	303,233	$	317,988
Total Revenues	$	1,395,645	$	1,215,994	$	4,022,547	$	3,573,002

Revenue from External Customers by Geographic Areas [Table Text Block]

	Three Months Ended December 31,				Nine Months Ended December 31,
	2023		2022		2023		2022
Revenues:
Ireland	$	19,651	$	17,959	$	60,175	$	53,130
United States	1,025,458		883,390		2,948,878		2,589,472
Other locations	350,536		314,645		1,013,494		930,400
Total Revenues	$	1,395,645	$	1,215,994	$	4,022,547	$	3,573,002

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Shares and Preferred Shares Shares and Preferred Shares (Tables)

9 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares [Table Text Block]

	Three Months Ended December 31,		Nine Months Ended December 31,
Denominator (shares in thousands):	2023	2022	2023	2022
Weighted average shares outstanding—basic	98,802	99,716	98,765	99,922
Dilutive effect of share equivalents(1)	552	450	568	—
Weighted average shares outstanding and share equivalents—diluted	99,354	100,166	99,333	99,922

(1) The dilutive effect of share equivalents is excluded from the calculation of diluted earnings per share for the nine months ended December 31, 2022 due to our net loss for that period.

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

Options to purchase the following number of shares were outstanding but excluded from the computation of diluted earnings per share because the combined exercise prices, unamortized fair values, and assumed tax benefits upon exercise were greater than the average market price for the shares during the periods, so including these options would be anti-dilutive:

	Three Months Ended December 31,		Nine Months Ended December 31,
(shares in thousands)	2023	2022	2023	2022
Number of share options	654	797	649	577

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Share-Based Compensation Share-Based Compensation (Tables)

9 Months Ended

Dec. 31, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Assumptions Used

The following weighted average assumptions were used for options granted during the first nine months of fiscal 2024 and 2023:

	Fiscal 2024		Fiscal 2023
Risk-free interest rate	3.59	%	2.44	%
Expected life of options	6.0 years		5.9 years
Expected dividend yield of stock	1.08	%	0.80	%
Expected volatility of stock	27.92	%	24.49	%

Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding

A summary of share option activity is as follows:

	Number of Options	Weighted Average Exercise Price Per Share		Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at March 31, 2023	1,749,729	$	154.60
Granted	253,946	220.24
Exercised	(53,881)	60.54
Forfeited	(3,415)	199.26
Outstanding at December 31, 2023	1,946,379	$	165.69	6.1 years	$	112,785
Exercisable at December 31, 2023	1,343,419	$	139.95	5.1 years	$	109,367

Share-based Compensation Arrangements by Share-based Payment Award, Restricted Stock Units, Vested and Expected to Vest

A summary of the non-vested restricted share and share unit activity is presented below:

	Number of Restricted Shares	Number of Restricted Share Units	Weighted Average Grant Date Fair Value
Non-vested at March 31, 2023	450,793	28,542	$	186.60
Granted	173,074	18,344	201.48
Vested	(146,912)	(15,408)	163.81
Forfeited	(13,714)	(1,419)	194.71
Non-vested at December 31, 2023	463,241	30,059	$	199.57

Share-based Payment Arrangement, Activity

A summary of the non-vested restricted share units activity associated with the Cantel share-based compensation plans is presented below:

	Number of Restricted Share Units	Weighted Average Grant Date Fair Value
Non-vested at March 31, 2023	15,670	$	191.18
Vested	(14,358)	191.18
Forfeited	(762)	191.18
Non-vested at December 31, 2023	550	$	191.18

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Financial and Other Guarantees Financial and Other Gurantees (Tables)

9 Months Ended

Dec. 31, 2023

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability

Changes in our warranty liability during the first nine months of fiscal 2024 were as follows:

	Warranties
Balance at March 31, 2023	$	13,683
Warranties issued during the period	12,519
Settlements made during the period	(11,251)
Balance at December 31, 2023	$	14,951

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Derivatives and Hedging Derivatives and Hedging (Tables)

9 Months Ended

Dec. 31, 2023

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

	Asset Derivatives				Liability Derivatives
	Fair Value at		Fair Value at		Fair Value at		Fair Value at
Balance sheet location	December 31, 2023		March 31, 2023		December 31, 2023		March 31, 2023
Prepaid & other	$	742	$	378	$	—	$	—
Accrued expenses and other	$	—	$	—	$	1,701	$	2,054

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance

The following table presents the impact of derivative instruments and their location within the Consolidated Statements of Income (Loss):

	Location of gain (loss) recognized in income	Amount of gain (loss) recognized in income
		Three Months Ended December 31,				Nine Months Ended December 31,
		2023		2022		2023		2022
Foreign currency forward contracts	Selling, general and administrative	$	(292)	$	952	$	1,226	$	5,581
Commodity swap contracts	Cost of revenues	$	(316)	$	1,189	$	(1,708)	$	(1,994)

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Fair Value Measurements Fair Value Measurements (Tables)

9 Months Ended

Dec. 31, 2023

Fair Value Disclosures [Abstract]

Fair Value Option, Disclosures

The following table shows the fair value of our financial assets and liabilities at December 31, 2023 and March 31, 2023:

					Fair Value Measurements
	Carrying Value				Quoted Prices in Active Markets for Identical Assets				Significant Other Observable Inputs				Significant Unobservable Inputs
					Level 1				Level 2				Level 3
	December 31,		March 31,		December 31,		March 31,		December 31,		March 31,		December 31,		March 31,
Assets:
Cash and cash equivalents	$	195,585	$	208,357	$	195,585	$	208,357	$	—	$	—	$	—	$	—
Forward and swap contracts (1)	742		378		—		—		742		378		—		—
Equity investments(2)	8,099		7,069		8,099		7,069		—		—		—		—
Other investments	2,919		2,066		2,919		2,066		—		—		—		—
Liabilities:
Forward and swap contracts (1)	$	1,701	$	2,054	$	—	$	—	$	1,701	$	2,054	$	—	$	—
Deferred compensation plans (2)	1,082		1,022		1,082		1,022		—		—		—		—
Debt (3)	3,309,513		3,078,655		—		—		3,039,581		2,754,218		—		—
Contingent consideration obligations (4)	10,801		15,678		—		—		—		—		10,801		15,678

(1) The fair values of forward and swap contracts are based on period-end forward rates and reflect the value of the amount that we would pay or receive for the contracts involving the same notional amounts and maturity dates.

(2) We maintain a frozen domestic non-qualified deferred compensation plan covering certain employees, which allowed for the deferral of payment of previously earned compensation for an employee-specified term or until retirement or termination. Amounts deferred can be allocated to various hypothetical investment options (compensation deferrals have been frozen under the plan). We hold investments to satisfy the future obligations of the plan. Employees who made deferrals are entitled to receive distributions of their hypothetical account balances (amounts deferred, together with earnings (losses)). We also hold an investment in the common stock of Servizi Italia, S.p.A, a leading provider of integrated linen washing and outsourced sterile processing services to hospital Customers. Changes in the fair value of these investments are recorded in the "Interest and miscellaneous (income) expense" line of the Consolidated Statements of Income (Loss). During the third quarter and first nine months of fiscal 2024, we recorded gains of $881 and $1,019, respectively, related to these investments. During the third quarter and first nine months of fiscal 2023, we recorded (losses) gains of $(342) and $1,385,respectively, related to these investments.

(3) We estimate the fair value of our debt using discounted cash flow analyses, based on estimated current incremental borrowing rates for similar types of borrowing arrangements.

(4) Contingent consideration obligations arise from prior business acquisitions. The fair values are based on discounted cash flow analyses reflecting the possible achievement of specified performance measures or events and captures the contractual nature of the contingencies, commercial risk, and the time value of money. Contingent consideration obligations are classified in the consolidated balance sheets as accrued expense (short-term) and other liabilities (long-term), as appropriate based on the contractual payment dates.

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The changes in Level 3 assets and liabilities measured at fair value on a recurring basis at December 31, 2023 are summarized as follows:

	Contingent Consideration
Balance at March 31, 2023	$	15,678
Additions	1,087
Payments	(5,947)
Currency translation adjustments	(17)
Balance at December 31, 2023	$	10,801

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Reclassifications out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income (Tables)

9 Months Ended

Dec. 31, 2023

Reclassifications out of AOCI [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Changes in our Accumulated Other Comprehensive Income (Loss) balances, net of tax, for the three and nine months ended December 31, 2023 and 2022 were as follows:

	Defined Benefit Plans (1)				Currency Translation (2)				Total Accumulated Other Comprehensive Loss
	Three Months		Nine Months		Three Months		Nine Months		Three Months		Nine Months
Beginning Balance	$	129	$	12	$	(386,864)	$	(320,722)	$	(386,735)	$	(320,710)
Other Comprehensive Income (Loss) before reclassifications	408		1,160		134,048		67,906		134,456		69,066
Amounts reclassified from Accumulated Other Comprehensive Loss	(350)		(985)		—		—		(350)		(985)
Net current-period Other Comprehensive Income (Loss)	58		175		134,048		67,906		134,106		68,081
Balance at December 31, 2023	$	187	$	187	$	(252,816)	$	(252,816)	$	(252,629)	$	(252,629)

(1) The amortization (gain) of defined benefit plan costs is reported in the Interest and miscellaneous (income) expense line of our Consolidated Statements of Income (Loss).

(2) The effective portion of gain or loss on net debt designated as non-derivative net investment hedging instruments is recognized in Accumulated Other Comprehensive Income and is reclassified to income in the same period when a gain or loss related to the net investment is included in income.

	Defined Benefit Plans (1)				Currency Translation (2)				Total Accumulated Other Comprehensive Loss
	Three Months		Nine Months		Three Months		Nine Months		Three Months		Nine Months
Beginning Balance	$	1,332	$	1,276	$	(599,480)	$	(211,084)	$	(598,148)	$	(209,808)
Other Comprehensive Income (Loss) before reclassifications	138		431		233,958		(154,438)		234,096		(154,007)
Amounts reclassified from Accumulated Other Comprehensive Loss	(111)		(348)		—		—		(111)		(348)
Net current-period Other Comprehensive Income (Loss)	27		83		233,958		(154,438)		233,985		(154,355)
Balance at December 31, 2022	$	1,359	$	1,359	$	(365,522)	$	(365,522)	$	(364,163)	$	(364,163)

1) The amortization (gain) of defined benefit plan costs is reported in the Interest and miscellaneous (income) expense line of our Consolidated Statements of Income (Loss).

(2) The effective portion of gain or loss on net debt designated as non-derivative net investment hedging instruments is recognized in Accumulated Other Comprehensive Income and is reclassified to income in the same period when a gain or loss related to the net investment is included in income.

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Intangible Assets, Goodwill and Other (Tables)

9 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes to the carrying amount of goodwill for the nine months ended December 31, 2023 and 2022 are as follows:

	Healthcare Segment		Life Sciences Segment		AST Segment		Dental Segment		Total
Balance at March 31, 2023	$	2,301,273	$	181,812	$	1,396,134	$	—	$	3,879,219
Goodwill acquired	202,399		—		—		—		202,399
Measurement period adjustments to acquired goodwill (1)	(7,805)		—		—		—		(7,805)
Foreign currency translation adjustments	12,244		2,135		23,491		—		37,870
Balance at December 31, 2023	$	2,508,111	$	183,947	$	1,419,625	$	—	$	4,111,683

	Healthcare Segment		Life Sciences Segment		AST Segment		Dental Segment		Total
Balance at March 31, 2022	$	2,326,830	$	179,288	$	1,432,858	$	465,367	$	4,404,343
Goodwill acquired	10,753		—		—		—		10,753
Measurement period adjustments to acquired goodwill (1)	(21,624)		3,147		—		40,565		22,088
Impairment	—		—		—		(490,565)		(490,565)
Divestiture	(2,358)		—		—		—		(2,358)
Foreign currency translation adjustments	(18,157)		(1,073)		(56,655)		(15,367)		(91,252)
Balance at December 31, 2022	$	2,295,444	$	181,362	$	1,376,203	$	—	$	3,853,009

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Nature of Operations and Summary of Significant Accounting Policies Revenue Table (Details) - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Revenue, Remaining Performance Obligation, Amount	$ 1,555,119
Deferred Revenue, Revenue Recognized	$ 70,181	$ 76,861
Expected recognition within the next year [Member]
Revenue, Remaining Performance Obligation, Percentage	56.00%
Expected recognition beyond the next year [Member] [Member]
Revenue, Remaining Performance Obligation, Percentage	32.00%

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Business Acquisitions and Divestitures Fiscal Acquisitions (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Sep. 30, 2023	Mar. 31, 2023	Mar. 31, 2022
Business Acquisition [Line Items]
Contingent consideration	$ 10,801		$ 10,801			$ 15,678
Deferred consideration		$ 6,700		$ 6,700
Gain (Loss) on Disposition of Business	0	838	0	(3,939)
Business Combination, Acquisition Related Costs	5,722	4,817	24,444	18,493
Goodwill	4,111,683	$ 3,853,009	4,111,683	3,853,009		$ 3,879,219	$ 4,404,343
Payments to Acquire Businesses, Net of Cash Acquired			539,758	34,020
Goodwill, Purchase Accounting Adjustments			(7,805)	22,088
Asset Acquisition, Price of Acquisition Net of Tax Benefit, Expected			60,000
BD Acquisition
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired			539,758
Other FY 23 Acquisition
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired				$ 40,720
BD Acquisition
Business Acquisition [Line Items]
Inventory	31,727		31,727		$ 27,006
Property, plant, and equipment	7,864		7,864		6,755
Intangible assets	303,000		303,000		303,598
Goodwill	197,167		197,167		202,399
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	539,758		539,758		539,758
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	539,758		$ 539,758		$ 539,758
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory	4,721
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment	1,109
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles	(598)
Goodwill, Purchase Accounting Adjustments	(5,232)
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets	0
Business Combination Provisional Information Initial Accounting Incomplete Adjustment Net Assets Acquired	$ 0

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Inventories, Net Inventories, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Mar. 31, 2023
Raw materials	$ 303,691	$ 239,081
Work in process	117,882	97,756
Finished goods	492,005	404,238
Reserve for excess and obsolete inventory	(57,961)	(45,582)
Inventories, net	$ 855,617	$ 695,493

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Property, Plant and Equipment Property, Plant and Equipment (Details) - USD ($)
$ in Thousands

9 Months Ended

Dec. 31, 2023

Mar. 31, 2023

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Information related to the major categories of our depreciable assets is as follows:

	December 31, 2023		March 31, 2023
Land and land improvements (1)	$	97,381	$	84,313
Buildings and leasehold improvements	756,059		691,933
Machinery and equipment	1,100,273		994,188
Information systems	260,639		247,873
Radioisotope	679,436		637,920
Construction in progress (1)	512,370		478,316
Total property, plant, and equipment	3,406,158		3,134,543
Less: accumulated depreciation and depletion	(1,561,674)		(1,429,031)
Property, plant, and equipment, net	$	1,844,484	$	1,705,512

(1)Land is not depreciated. Construction in progress is not depreciated until placed in service.

Property, Plant and Equipment [Line Items]

Land and land improvements

^[1]

$ 97,381

$ 84,313

Buildings and leasehold improvements

756,059

691,933

Machinery and equipment

1,100,273

994,188

Capitalized Computer Hardware/Software, Gross

260,639

247,873

Radioisotope

679,436

637,920

Construction in progress

^[1]

512,370

478,316

Total property, plant, and equipment

3,406,158

3,134,543

Less: accumulated depreciation and depletion

(1,561,674)

(1,429,031)

Property, plant, and equipment, net

$ 1,844,484

$ 1,705,512

[1] Land is not depreciated. Construction in progress is not depreciated until placed in service.

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Debt Debt (Details) - USD ($)
$ in Thousands

9 Months Ended

Dec. 31, 2023

Mar. 31, 2023

Debt Disclosure [Abstract]

Schedule of Debt

Indebtedness was as follows:

	December 31, 2023		March 31, 2023
Short-term debt
Term Loan, current portion	$	37,813	$	27,500
Delayed Draw Term Loan, current portion	40,625		32,500
Total short-term debt	$	78,438	$	60,000
Long-term debt
Private Placement Senior Notes	$	755,020	$	750,302
Revolving Credit Facility	569,974		301,672
Deferred financing costs	(18,607)		(21,444)
Term Loan	14,063		45,000
Delayed Draw Term Loan	560,625		593,125
Senior Public Notes	1,350,000		1,350,000
Total long-term debt	$	3,231,075	$	3,018,655
Total debt	$	3,309,513	$	3,078,655

Debt Instrument [Line Items]

Deferred financing costs

$ (18,607)

$ (21,444)

Credit Agreement

569,974

301,672

Total long term debt

3,231,075

3,018,655

Debt, Long-term and Short-term, Combined Amount

3,309,513

3,078,655

Short-term Debt

78,438

60,000

Term loan, current portion

37,813

27,500

Term Loan

14,063

45,000

Delayed Draw Term Loan

560,625

593,125

Delayed draw term loan, current portion

40,625

32,500

Senior Notes

Debt Instrument [Line Items]

Senior Notes, Noncurrent

1,350,000

1,350,000

Private Placement

Debt Instrument [Line Items]

Senior Notes, Noncurrent

$ 755,020

$ 750,302

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Additional Consolidated Balance Sheets Information Additional Consolidated Balance Sheets Information (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Mar. 31, 2023
Accrued payroll and other related liabilities:
Compensation and related items	$ 68,083	$ 48,565
Accrued vacation/paid time off	16,798	11,080
Accrued bonuses	59,161	33,605
Accrued employee commissions	31,569	29,257
Other postretirement benefit obligations-current portion	1,121	1,121
Other employee benefit plans obligations-current portion	2,106	2,014
Employee-related Liabilities, Current	178,838	125,642
Accrued expenses and other:
Deferred revenues	90,373	92,283
Service liabilities	80,620	72,033
Self-insured risk reserves-current portion	12,549	11,325
Accrued dealer commissions	36,386	31,096
Accrued warranty	14,951	13,683
Asset retirement obligation-current portion	535	543
Accrued interest	20,464	9,243
Other	62,219	87,611
Accrued Liabilities, Current	318,097	317,817
Other liabilities:
Self-insured risk reserves-long-term portion	22,171	22,171
Other postretirement benefit obligations-long-term portion	5,778	6,070
Defined benefit pension plans obligations-long-term portion	3,214	2,876
Other employee benefit plans obligations-long-term portion	1,206	1,153
Accrued long-term income taxes	10,129	10,082
Asset retirement obligation-long-term portion	13,182	12,588
Long-term liabilities, other	22,709	21,197
Other Liabilities, Noncurrent	$ 78,389	$ 76,137

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Income Tax Expense Income Tax Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Effective Income Tax Rate, Continuing Operations	21.40%	23.10%	21.80%	(114.80%)
Uncertain Tax Liability Resulting From IRS Notice	$ 50,000		$ 50,000
Income Tax Examination, Estimate of Possible Loss			12,000
Income tax examination, amount of loss paid			$ 11,600

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Business Segment Information Business Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Mar. 31, 2023
Segment Reporting Information [Line Items]
Revenues	$ 1,395,645	$ 1,215,994	$ 4,022,547	$ 3,573,002
Segment operating income	216,156	190,803	590,895	42,783
Restructuring Charges	6	38	2	127
Goodwill impairment loss	0	0	0	490,565
Amortization of acquired intangible assets	93,850	93,941	286,786	281,727
Business Combination, Acquisition Related Costs	5,722	4,817	24,444	18,493
loss (gain) on fair value contingent consideration adjustments	0	0	0	(3,100)
Impact of TCJA	643	282	652	533
Net loss on divestiture of businesses	0	(838)	0	3,939
Amortization of inventory and property step-up to fair value	6,348	1,608	9,329	5,697
Assets	11,435,155		11,435,155		$ 10,821,839
Property, Plant and Equipment, Net	1,844,484		1,844,484		$ 1,705,512
Life Sciences
Segment Reporting Information [Line Items]
Revenues	146,566	121,273	411,074	379,248
Segment operating income	56,738	45,249	156,863	149,173
Corporate
Segment Reporting Information [Line Items]
Segment operating income	(81,359)	(53,873)	(261,265)	(196,872)
Segment operating income
Segment Reporting Information [Line Items]
Segment operating income	322,725	290,651	912,108	840,764
Healthcare [Member] [Member]
Segment Reporting Information [Line Items]
Revenues	916,227	769,144	2,605,157	2,200,483
Segment operating income	223,898	175,399	626,134	497,233
Dental
Segment Reporting Information [Line Items]
Revenues	97,921	103,563	303,233	317,988
Segment operating income	$ 18,292	$ 20,337	$ 64,847	$ 67,992
Dental | Revenue Benchmark | Customer Concentration Risk
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	47.50%	47.20%	44.50%	43.80%
Applied Sterilization Technologies [Member]
Segment Reporting Information [Line Items]
Revenues	$ 234,931	$ 222,014	$ 703,083	$ 675,283
Segment operating income	105,156	103,539	325,529	323,238
Other foreign locations [Member]
Segment Reporting Information [Line Items]
Revenues	350,536	314,645	1,013,494	930,400
UNITED STATES
Segment Reporting Information [Line Items]
Revenues	1,025,458	883,390	2,948,878	2,589,472
UNITED KINGDOM
Segment Reporting Information [Line Items]
Revenues	19,651	17,959	60,175	53,130
Consumable revenues [Member] | Life Sciences
Segment Reporting Information [Line Items]
Revenues	60,072	55,610	181,179	172,587
Consumable revenues [Member] | Healthcare [Member] [Member]
Segment Reporting Information [Line Items]
Revenues	329,435	259,810	915,741	757,892
Sales Revenue, Services, Net [Member] | Life Sciences
Segment Reporting Information [Line Items]
Revenues	41,658	37,082	118,630	107,566
Sales Revenue, Services, Net [Member] | Healthcare [Member] [Member]
Segment Reporting Information [Line Items]
Revenues	319,954	282,108	929,574	823,747
Sales Revenue, Services, Net [Member] | Applied Sterilization Technologies [Member]
Segment Reporting Information [Line Items]
Revenues	229,690	218,335	695,214	660,500
Capital equipment revenues [Member] | Life Sciences
Segment Reporting Information [Line Items]
Revenues	44,836	28,581	111,265	99,095
Capital equipment revenues [Member] | Healthcare [Member] [Member]
Segment Reporting Information [Line Items]
Revenues	266,838	227,226	759,842	618,844
Capital equipment revenues [Member] | Applied Sterilization Technologies [Member]
Segment Reporting Information [Line Items]
Revenues	$ 5,241	$ 3,679	$ 7,869	$ 14,783

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Shares and Preferred Shares Ordinary Shares (Details)	3 Months Ended		9 Months Ended
	Dec. 31, 2023 $ / shares shares	Dec. 31, 2022 shares	Dec. 31, 2023 $ / shares shares	Dec. 31, 2022 shares	Dec. 31, 2023 EUR (€) shares
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted average shares outstanding - basic	98,802,000	99,716,000	98,765,000	99,922,000
Dilutive effect of share equivalents	552,000	450,000	568,000	0
Weighted average shares outstanding and share equivalents - diluted	99,354,000	100,166,000	99,333,000	99,922,000
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Preferred Stock, Shares Authorized					50,000,000
Common Stock, Par or Stated Value Per Share | $ / shares	$ 0.001		$ 0.001
Preferred Stock, Par or Stated Value Per Share | $ / shares	$ 0.001		$ 0.001
Deferred Ordinary Shares					25,000
Employee share option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of share options that are antidilutive	654,000	797,000	649,000	577,000
Euro Member Countries, Euro
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Par Value (Euros) of Deferred Ordinary Shares | €					€ 1.00

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Shares and Preferred Shares Preferred Shares (Details)	Dec. 31, 2023 $ / shares
Class of Stock [Line Items]
Preferred shares, par value	$ 0.001

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Repurchases of Shares (Details) - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	May 03, 2023
Equity, Class of Treasury Stock [Line Items]
Share repurchase program, number of shares authorized			$ 500,000
Shares repurchased during period, number		775,320
Aggregate value of shares repurchased pursuant to authorization		$ 148,306
Shares obtained in connection with share based compensation award programs	69,276	74,897
Payments for shares obtained in connection with share based compensation programs	$ 11,440	$ 13,060

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Share-Based Compensation Share-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Item]
Remaining shares available for grant	2,368,027
Weighted-average assumptions used for options granted:
Risk-free interest rate	3.59%	2.44%
Expected life of options	6 years	5 years 10 months 24 days
Exptected dividend yield of stock	1.08%	0.80%
Expected volatility of stock	27.92%	24.49%
Estimated forfeiture rate	2.22%	2.54%
Summary of share option activity:
Outstanding at the beginning of the period	1,749,729
Granted	253,946
Exercised	(53,881)
Forfeited	(3,415)
Outstanding at the end of the period	1,946,379
Exercisable at the end of the period	1,343,419
Weighted average exercise price:
Outstanding at March 31, 2023	$ 154.60
Granted	220.24
Exercised	60.54
Forfeited	199.26
Outstanding at December 31, 2023	165.69
Exercisable at December 31, 2023	$ 139.95
Average Remaining Contractual Term, Outstanding at the end of the period	6 years 1 month 6 days
Aggregate Intrinsic Value, Outstanding at the end of the period	$ 112,785
Average Remaining Contractual Term, Exercisable at the end of the period	5 years 1 month 6 days
Aggregate Intrinsic Value, Exercisable at the end of the period	$ 109,367
Non-vested stock options outstanding expected to vest	591,310
Ordinary shares, closing price	$ 219.85
Total intrinsic value of stock options exercised	$ 8,350	$ 4,638
Net cash proceeds from the exercise of stock options	$ 3,526	$ 1,497
Weighted average grant date fair value of stock option grants, per share	$ 54.60	$ 50.72
Summary of non-vested restricted share activity:
Unrecognized compensation cost related to nonvested share-based compensation granted	$ 68,670
Weighted Average Period For Total Compensation Expense Not Yet Recognized	1 year 9 months 18 days
Restricted Stock
Summary of non-vested restricted share activity:
Number of Restricted Shares, Non-vested at Beginning of Period	450,793
Weighted-Average Grant Date Fair Value, Non-vested at Beginning of Period	$ 186.60
Number of Restricted Shares, Granted	173,074
Weighted-Average Grant Date Fair Value, Granted	$ 201.48
Number of Restricted Shares, Vested	(146,912)
Weighted-Average Grant Date Fair Value, Vested	$ 163.81
Number of Restricted Shares, Canceled	(13,714)
Weighted-Average Grant Date Fair Value, Canceled	$ 194.71
Number of Restricted Shares, Non-vested at End of Period	463,241
Weighted-Average Grant Date Fair Value, Non-vested at End of Period	$ 199.57
Fair Value, Share-based Payment Awards, Other than Options	$ 26,487
Restricted Stock Units (RSUs)
Summary of non-vested restricted share activity:
Number of Restricted Shares, Non-vested at Beginning of Period	28,542
Number of Restricted Shares, Granted	18,344
Number of Restricted Shares, Vested	(15,408)
Number of Restricted Shares, Canceled	(1,419)
Number of Restricted Shares, Non-vested at End of Period	30,059
RSUs Cantel
Summary of non-vested restricted share activity:
Number of Restricted Shares, Non-vested at Beginning of Period	15,670
Weighted-Average Grant Date Fair Value, Non-vested at Beginning of Period	$ 191.18
Number of Restricted Shares, Vested	(14,358)
Weighted-Average Grant Date Fair Value, Vested	$ 191.18
Number of Restricted Shares, Canceled	(762)
Weighted-Average Grant Date Fair Value, Canceled	$ 191.18
Number of Restricted Shares, Non-vested at End of Period	550
Weighted-Average Grant Date Fair Value, Non-vested at End of Period	$ 191.18
Unrecognized compensation cost related to nonvested share-based compensation granted	$ 16

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Financial and Other Guarantees Financial and Other Guarantees (Details) $ in Thousands	9 Months Ended
	Dec. 31, 2023 USD ($)
Product Warranty Liability [Line Items]
Balance, Beginning of the Period	$ 13,683
Warranties issued during the period	12,519
Settlement made during the period	(11,251)
Balance, End of the Period	$ 14,951

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Derivatives and Hedging Fair Value of Derivatives, Balance Sheet Location (Details) $ in Thousands, € in Millions, £ in Millions, $ in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2023 USD ($) lb	Dec. 31, 2022 USD ($)	Dec. 31, 2023 GBP (£)	Dec. 31, 2023 MXN ($)	Dec. 31, 2023 AUD ($)	Dec. 31, 2023 EUR (€)	Dec. 31, 2023 USD ($)	Mar. 31, 2023 USD ($)
Prepaid & Other
Derivative [Line Items]
Asset derivatives									$ 742	$ 378
Liability derivatives									0	0
Accrued expenses and other
Derivative [Line Items]
Asset derivatives									0	0
Liability derivatives									$ 1,701	$ 2,054
Foreign currency forward contracts | Selling, general, and administrative expense
Derivative [Line Items]
Amount of gain (loss) recognized in income	$ (292)	$ 952	$ 1,226	$ 5,581
Commodity swap contracts
Derivative [Line Items]
Derivative, notional amount, weight | lb			188,300
Commodity swap contracts | Cost of Sales [Member]
Derivative [Line Items]
Amount of gain (loss) recognized in income	$ (316)	$ 1,189	$ (1,708)	$ (1,994)
Mexican peso | Foreign currency forward contracts
Derivative [Line Items]
Derivative Asset, Notional Amount						$ 49.9
euro | Foreign currency forward contracts
Derivative [Line Items]
Derivative Asset, Notional Amount | €								€ 18.1
British pounds sterling | Foreign currency forward contracts
Derivative [Line Items]
Liability derivatives | £					£ 42.0
Australia, Dollars | Foreign currency forward contracts
Derivative [Line Items]
Derivative Asset, Notional Amount							$ 24.0

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Derivatives and Hedging Gain (Loss) on Derivatives, Income Statement Location (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Foreign currency forward contracts | Selling, general, and administrative expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in income	$ (292)	$ 952	$ 1,226	$ 5,581
Commodity swap contracts | Cost of revenues
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in income	$ (316)	$ 1,189	$ (1,708)	$ (1,994)

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Fair Value Measurements Fair Value Hierarchy (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Mar. 31, 2023
Reported Value Measurement [Member]
Assets:
Cash and cash equivalents		$ 195,585		$ 195,585		$ 208,357
Forward and swap contracts	[1]	742		742		378
Equity Securities, FV-NI	[2]	8,099		8,099		7,069
Investments		2,919		2,919		2,066
Liabilities:
Deferred compensation plans	[2]	1,082		1,082		1,022
Long term debt	[3]	3,309,513		3,309,513		3,078,655
Contingent consideration obligations		10,801		10,801		15,678
Foreign Currency Contracts, Liability, Fair Value Disclosure	[1]	1,701		1,701		2,054
Debt and Equity Securities, Gain (Loss)		(881)	$ 342	(1,019)	$ (1,385)
Contingent consideration obligations		10,801		10,801		15,678
Level 1
Assets:
Cash and cash equivalents		195,585		195,585		208,357
Forward and swap contracts		0		0		0
Equity Securities, FV-NI	[2]	8,099		8,099		7,069
Investments		2,919		2,919		2,066
Liabilities:
Deferred compensation plans	[2]	1,082		1,082		1,022
Long term debt	[3]	0		0		0
Contingent consideration obligations		0		0		0
Foreign Currency Contracts, Liability, Fair Value Disclosure		0		0		0
Level 2
Assets:
Cash and cash equivalents		0		0		0
Forward and swap contracts	[1]	742		742		378
Equity Securities, FV-NI		0		0		0
Investments		0		0		0
Liabilities:
Deferred compensation plans		0		0		0
Long term debt	[3]	3,039,581		3,039,581		2,754,218
Contingent consideration obligations		0		0		0
Foreign Currency Contracts, Liability, Fair Value Disclosure	[1]	1,701		1,701		2,054
Level 3
Assets:
Cash and cash equivalents		0		0		0
Forward and swap contracts		0		0		0
Equity Securities, FV-NI		0		0		0
Investments		0		0		0
Liabilities:
Deferred compensation plans		0		0		0
Long term debt	[3]	0		0		0
Contingent consideration obligations	[4]	10,801		10,801		15,678
Foreign Currency Contracts, Liability, Fair Value Disclosure		$ 0		$ 0		$ 0

[1] The fair values of forward and swap contracts are based on period-end forward rates and reflect the value of the amount that we would pay or receive for the contracts involving the same notional amounts and maturity dates.

[2] We maintain a frozen domestic non-qualified deferred compensation plan covering certain employees, which allowed for the deferral of payment of previously earned compensation for an employee-specified term or until retirement or termination. Amounts deferred can be allocated to various hypothetical investment options (compensation deferrals have been frozen under the plan). We hold investments to satisfy the future obligations of the plan. Employees who made deferrals are entitled to receive distributions of their hypothetical account balances (amounts deferred, together with earnings (losses)). We also hold an investment in the common stock of Servizi Italia, S.p.A, a leading provider of integrated linen washing and outsourced sterile processing services to hospital Customers. Changes in the fair value of these investments are recorded in the "Interest and miscellaneous (income) expense" line of the Consolidated Statements of Income (Loss). During the third quarter and first nine months of fiscal 2024, we recorded gains of $881 and $1,019, respectively, related to these investments. During the third quarter and first nine months of fiscal 2023, we recorded (losses) gains of $(342) and $1,385,respectively, related to these investments.

[3] We estimate the fair value of our debt using discounted cash flow analyses, based on estimated current incremental borrowing rates for similar types of borrowing arrangements.

[4] Contingent consideration obligations arise from prior business acquisitions. The fair values are based on discounted cash flow analyses reflecting the possible achievement of specified performance measures or events and captures the contractual nature of the contingencies, commercial risk, and the time value of money. Contingent consideration obligations are classified in the consolidated balance sheets as accrued expense (short-term) and other liabilities (long-term), as appropriate based on the contractual payment dates

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Fair Value Measurements Contingent Consideration Rollforward (Details) - USD ($) $ in Thousands		9 Months Ended
		Dec. 31, 2023	Mar. 31, 2023
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration		$ 10,801	$ 15,678
Additions
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Change in contingent consideration		1,087
Payments
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Change in contingent consideration		(5,947)
Foreign currency translation adjustment
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Change in contingent consideration		(17)
Fair Value, Inputs, Level 3 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Contingent consideration	[1]	10,801	15,678
Fair value		$ 0	$ 0

[1] Contingent consideration obligations arise from prior business acquisitions. The fair values are based on discounted cash flow analyses reflecting the possible achievement of specified performance measures or events and captures the contractual nature of the contingencies, commercial risk, and the time value of money. Contingent consideration obligations are classified in the consolidated balance sheets as accrued expense (short-term) and other liabilities (long-term), as appropriate based on the contractual payment dates

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Fair Value Measurements Available-for-sale securities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Equity Securities, FV-NI, Gain (Loss)	$ 881	$ (342)	$ 1,019	$ 1,385

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Reclassifications out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended				9 Months Ended
		Dec. 31, 2023		Dec. 31, 2022		Dec. 31, 2023		Dec. 31, 2022		Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Mar. 31, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax		$ (252,629)		$ (364,163)		$ (252,629)		$ (364,163)		$ (386,735)	$ (320,710)	$ (598,148)	$ (209,808)
Other Comprehensive Income (Loss), Net of Tax		134,456		234,096		69,066		(154,007)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		(350)		(111)	[1]	(985)		(348)
Total other comprehensive (loss) income		134,106		233,985		68,081		(154,355)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax		187		1,359		187		1,359		129	12	1,332	1,276
Other Comprehensive Income (Loss), Net of Tax		408		138		1,160		431
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	[2]	(350)		(111)		(985)		(348)
Total other comprehensive (loss) income		58		27		175		83
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax		(252,816)		(365,522)		(252,816)		(365,522)		$ (386,864)	$ (320,722)	$ (599,480)	$ (211,084)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax		134,048		233,958		67,906		(154,438)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax		0	[1]	0		0	[1]	0	[1]
Total other comprehensive (loss) income		$ 134,048		$ 233,958		$ 67,906		$ (154,438)

[1] The effective portion of gain or loss on net debt designated as non-derivative net investment hedging instruments is recognized in Accumulated Other Comprehensive Income and is reclassified to income in the same period when a gain or loss related to the net investment is included in income.

[2] The amortization (gain) of defined benefit plan costs is reported in the Interest and miscellaneous (income) expense line of our Consolidated Statements of Income (Loss).

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Intangible Assets, Goodwill and Other (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Goodwill [Line Items]
Goodwill	$ 4,111,683	$ 3,853,009	$ 4,111,683	$ 3,853,009	$ 3,879,219	$ 4,404,343
Goodwill, Acquired During Period			202,399	10,753
Goodwill impairment loss	0	0	0	490,565
Goodwill, Written off Related to Sale of Business Unit				(2,358)
Goodwill, Foreign Currency Translation Gain (Loss)			37,870	(91,252)
Goodwill, Purchase Accounting Adjustments			(7,805)	22,088
Applied Sterilization Technologies [Member]
Goodwill [Line Items]
Goodwill	1,419,625	1,376,203	1,419,625	1,376,203	1,396,134	1,432,858
Goodwill, Acquired During Period			0	0
Goodwill impairment loss				0
Goodwill, Written off Related to Sale of Business Unit				0
Goodwill, Foreign Currency Translation Gain (Loss)			23,491	(56,655)
Goodwill, Purchase Accounting Adjustments			0	0
Life Science Member [Member]
Goodwill [Line Items]
Goodwill	183,947	181,362	183,947	181,362	181,812	179,288
Goodwill, Acquired During Period			0	0
Goodwill impairment loss				0
Goodwill, Written off Related to Sale of Business Unit				0
Goodwill, Foreign Currency Translation Gain (Loss)			2,135	(1,073)
Goodwill, Purchase Accounting Adjustments			0	3,147
Dental
Goodwill [Line Items]
Goodwill	0	0	0	0	0	465,367
Goodwill, Acquired During Period			0	0
Goodwill impairment loss				490,565
Goodwill, Written off Related to Sale of Business Unit				0
Goodwill, Foreign Currency Translation Gain (Loss)			0	(15,367)
Goodwill, Purchase Accounting Adjustments			0	40,565
Healthcare
Goodwill [Line Items]
Goodwill	$ 2,508,111	$ 2,295,444	2,508,111	2,295,444	$ 2,301,273	$ 2,326,830
Goodwill, Acquired During Period			202,399	10,753
Goodwill impairment loss				0
Goodwill, Written off Related to Sale of Business Unit				(2,358)
Goodwill, Foreign Currency Translation Gain (Loss)			12,244	(18,157)
Goodwill, Purchase Accounting Adjustments			$ (7,805)	$ (21,624)

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Label	Element	Value
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents	us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	$ 208,357,000
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents	us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	$ 348,320,000