10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

FORM 10-Q

[ü]	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the quarterly period ended September 30, 2018
OR
[   ]	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the transition period from ___________ to __________

Commission File Number 1-16191

____________________________________

TENNANT COMPANY

(Exact name of registrant as specified in its charter)

Minnesota	41-0572550
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

701 North Lilac Drive

P.O. Box 1452

Minneapolis, Minnesota 55440

(Address of principal executive offices)

(Zip Code)

(763) 540-1200

(Registrant’s telephone number, including area code)

______________________________________________

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 ü No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§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 ü No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, 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	ü	Accelerated filer
Non-accelerated filer		Smaller reporting company
Emerging growth company

1

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.    

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

Yes No ü

As of October 19, 2018, there were 18,125,000 shares of Common Stock outstanding.

2

TABLE OF CONTENTS

PART I - FINANCIAL INFORMATION		Page
Item 1.	Financial Statements (Unaudited)	4
	Condensed Consolidated Statements of Operations	4
	Condensed Consolidated Statements of Comprehensive Income	5
	Condensed Consolidated Balance Sheets	6
	Condensed Consolidated Statements of Cash Flows	7
	Notes to the Condensed Consolidated Financial Statements	9
	1. Summary of Significant Accounting Policies	9
	2. Newly Adopted Accounting Pronouncements	9
	3. Revenue from Contracts with Customers	11
	4. Management Actions	13
	5. Acquisitions and Divestitures	14
	6. Inventories	16
	7. Goodwill and Intangible Assets	16
	8. Debt	17
	9. Warranty	18
	10. Derivatives	18
	11. Fair Value Measurements	21
	12. Retirement Benefit Plans	22
	13. Commitments and Contingencies	22
	14. Accumulated Other Comprehensive Loss	23
	15. Income Taxes	23
	16. Share-Based Compensation	24
	17. Earnings (Loss) Attributable to Tennant Company Per Share	24
	18. Segment Reporting	25
	19. Separate Financial Information of Guarantor Subsidiaries	25
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	36
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	42
Item 4.	Controls and Procedures	42
PART II - OTHER INFORMATION
Item 1.	Legal Proceedings	43
Item 1A.	Risk Factors	43
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	43
Item 6.	Exhibits	44
Signatures		45

3

PART I – FINANCIAL INFORMATION

Item 1. Financial Statements

TENNANT COMPANY CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)
	Three Months Ended						Nine Months Ended
(In thousands, except shares and per share data)	September 30						September 30
	2018			2017			2018			2017
Net Sales	$	273,255		$	261,921		$	838,299		$	723,771
Cost of Sales	165,170			157,317			500,778			434,877
Gross Profit	108,085			104,604			337,521			288,894
Operating Expense:
Research and Development Expense	7,506			7,907			23,408			24,239
Selling and Administrative Expense	85,140			85,711			269,273			246,993
Total Operating Expense	92,646			93,618			292,681			271,232
Profit from Operations	15,439			10,986			44,840			17,662
Other Income (Expense):
Interest Income	839			698			2,540			1,575
Interest Expense	(5,986		)	(6,093		)	(17,736		)	(18,720		)
Net Foreign Currency Transaction Losses	(295		)	(842		)	(1,381		)	(2,375		)
Other Expense, Net	(130		)	(422		)	(890		)	(774		)
Total Other Expense, Net	(5,572		)	(6,659		)	(17,467		)	(20,294		)
Profit (Loss) Before Income Taxes	9,867			4,327			27,373			(2,632		)
Income Tax Expense	158			731			1,598			385
Net Earnings (Loss) Including Noncontrolling Interest	9,709			3,596			25,775			(3,017		)
Net Earnings (Loss) Attributable to Noncontrolling Interest	33			37			81			(28		)
Net Earnings (Loss) Attributable to Tennant Company	$	9,676		$	3,559		$	25,694		$	(2,989	)
Net Earnings (Loss) Attributable to Tennant Company per Share:
Basic	$	0.54		$	0.20		$	1.43		$	(0.17	)
Diluted	$	0.52		$	0.20		$	1.40		$	(0.17	)
Weighted Average Shares Outstanding:
Basic	17,998,917			17,729,857			17,911,880			17,673,656
Diluted	18,439,621			18,171,444			18,344,813			17,673,656
Cash Dividend Declared per Common Share	$	0.21		$	0.21		$	0.63		$	0.63

See accompanying Notes to the Condensed Consolidated Financial Statements.

4

TENNANT COMPANY CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited)
	Three Months Ended						Nine Months Ended
(In thousands)	September 30						September 30
	2018			2017			2018			2017
Net Earnings (Loss) Including Noncontrolling Interest	$	9,709		$	3,596		$	25,775		$	(3,017	)
Other Comprehensive (Loss) Income:
Foreign currency translation adjustments	(3,110		)	9,033			(14,202		)	25,073
Pension and retiree medical benefits	12			379			105			541
Cash flow hedge	(28		)	(1,732		)	(1,367		)	(6,311		)
Income Taxes:
Foreign currency translation adjustments	280			—			524			—
Pension and retiree medical benefits	(2		)	(138		)	(156		)	(160		)
Cash flow hedge	6			646			(814		)	2,354
Total Other Comprehensive (Loss) Income, net of tax	(2,842		)	8,188			(15,910		)	21,497
Total Comprehensive Income Including Noncontrolling Interest	6,867			11,784			9,865			18,480
Comprehensive Income (Loss) Attributable to Noncontrolling Interest	33			37			81			(28		)
Comprehensive Income Attributable to Tennant Company	$	6,834		$	11,747		$	9,784		$	18,508

See accompanying Notes to the Condensed Consolidated Financial Statements.

5

TENNANT COMPANY CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)
	September 30,			December 31,
(In thousands, except shares and per share data)	2018			2017
ASSETS
Current Assets:
Cash and Cash Equivalents	$	53,473		$	58,398
Restricted Cash	534			653
Accounts Receivable, less Allowances of $2,203 and $3,241, respectively	208,119			209,516
Inventories	139,793			127,694
Prepaid Expenses	28,356			19,351
Other Current Assets	8,865			7,503
Total Current Assets	439,140			423,115
Property, Plant and Equipment	381,443			382,768
Accumulated Depreciation	(217,625		)	(202,750		)
Property, Plant and Equipment, Net	163,818			180,018
Deferred Income Taxes	15,062			11,134
Goodwill	184,619			186,044
Intangible Assets, Net	152,974			172,347
Other Assets	14,953			21,319
Total Assets	$	970,566		$	993,977
LIABILITIES AND TOTAL EQUITY
Current Liabilities:
Current Portion of Long-Term Debt	$	30,999		$	30,883
Accounts Payable	90,778			96,082
Employee Compensation and Benefits	42,157			37,257
Income Taxes Payable	2,972			2,838
Other Current Liabilities	71,842			69,447
Total Current Liabilities	238,748			236,507
Long-Term Liabilities:
Long-Term Debt	316,937			345,956
Employee-Related Benefits	21,828			23,867
Deferred Income Taxes	48,491			53,225
Other Liabilities	35,479			35,948
Total Long-Term Liabilities	422,735			458,996
Total Liabilities	661,483			695,503
Commitments and Contingencies (Note 13)
Equity:
Common Stock, $0.375 par value; 60,000,000 shares authorized; 18,122,576 and 17,881,177 shares issued and outstanding, respectively	6,796			6,705
Additional Paid-In Capital	26,087			15,089
Retained Earnings	312,539			297,032
Accumulated Other Comprehensive Loss	(38,233		)	(22,323		)
Total Tennant Company Shareholders' Equity	307,189			296,503
Noncontrolling Interest	1,894			1,971
Total Equity	309,083			298,474
Total Liabilities and Total Equity	$	970,566		$	993,977

See accompanying Notes to the Condensed Consolidated Financial Statements.

6

TENNANT COMPANY CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)
	Nine Months Ended
(In thousands)	September 30
	2018			2017
OPERATING ACTIVITIES
Net Earnings (Loss) Including Noncontrolling Interest	$	25,775		$	(3,017	)
Adjustments to Reconcile Net Earnings (Loss) to Net Cash Provided by Operating Activities:
Depreciation	24,090			18,515
Amortization of Intangible Assets	17,378			11,430
Amortization of Debt Issuance Costs	1,883			896
Debt Issuance Cost Charges Related to Short-Term Financing	—			6,200
Fair Value Step-Up Adjustment to Acquired Inventory	—			8,445
Deferred Income Taxes	(9,908		)	(4,848		)
Share-Based Compensation Expense	6,008			4,915
Allowance for Doubtful Accounts and Returns	835			983
Other, Net	(459		)	175
Changes in Operating Assets and Liabilities, Net of Assets Acquired:
Receivables, Net	(342		)	(524		)
Inventories	(19,550		)	(9,866		)
Accounts Payable	(1,756		)	5,747
Employee Compensation and Benefits	5,186			(9,462		)
Other Current Liabilities	(138		)	10,019
Income Taxes	(1,105		)	4,149
Other Assets and Liabilities	(4,428		)	(11,634		)
Net Cash Provided by Operating Activities	43,469			32,123
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	(12,768		)	(16,239		)
Proceeds from Disposals of Property, Plant and Equipment	108			2,456
Proceeds from Principal Payments Received on Long-Term Note Receivable	828			500
Issuance of Long-Term Note Receivable	—			(1,500		)
Proceeds from Sale of Business	4,000			—
Acquisition of Businesses, Net of Cash, Cash Equivalents and Restricted Cash Acquired	—			(353,535		)
Purchase of Intangible Assets	(2,607		)	(2,500		)
Net Cash Used in Investing Activities	(10,439		)	(370,818		)
FINANCING ACTIVITIES
Proceeds from Short-Term Debt	—			300,000
Repayments of Short-Term Debt	—			(300,000		)
Proceeds from Issuance of Long-Term Debt	—			440,000
Payments of Long-Term Debt	(30,216		)	(81,262		)
Payments of Debt Issuance Costs	—			(16,465		)
Change in Capital Lease Obligations	7			—
Proceeds from Issuance of Common Stock	5,735			4,728
Dividends Paid	(11,356		)	(11,204		)
Net Cash (Used in) Provided by Financing Activities	(35,830		)	335,797
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	(2,244		)	1,587
Net Decrease in Cash, Cash Equivalents and Restricted Cash	(5,044		)	(1,311		)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	59,051			58,550
Cash, Cash Equivalents and Restricted Cash at End of Period	$	54,007		$	57,239

7

Supplemental Disclosure of Cash Flow Information:
Cash Paid for Income Taxes	$	7,314	$	8,127
Cash Paid for Interest	$	11,297	$	3,741
Supplemental Non-cash Investing and Financing Activities:
Capital Expenditures in Accounts Payable	$	635	$	1,265

See accompanying Notes to the Condensed Consolidated Financial Statements.

8

TENNANT COMPANY

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(In thousands, except shares and per share data)

1. Summary of Significant Accounting Policies

Basis of Presentation – The accompanying unaudited Condensed Consolidated Financial Statements have been prepared in accordance with the Securities and Exchange Commission (“SEC”) requirements for interim reporting, which allows certain footnotes and other financial information normally required by accounting principles generally accepted in the United States of America to be condensed or omitted. In our opinion, the Condensed Consolidated Financial Statements contain all adjustments (consisting of only normal recurring adjustments) necessary for the fair presentation of our financial position and results of operations.

These statements should be read in conjunction with the Consolidated Financial Statements and Notes included in our annual report on Form 10-K for the year ended December 31, 2017. The results of operations for interim periods are not necessarily indicative of the results to be expected for the full year.

Revenue Recognition – Revenue is recognized upon transfer of control of promised products or services to customers in an amount that reflects the consideration we expect to receive in exchange for those products and services. Generally, these criteria are met at the time the product is shipped.

We also enter into contracts that can include combinations of products and services, which are generally capable of being distinct and are accounted for as separate performance obligations. Revenue is recognized net of allowances for returns and any taxes collected from customers, which are subsequently remitted to governmental authorities.

Further details regarding revenue recognition are discussed in Notes 2 and 3.

New Accounting Pronouncements – Further details regarding the adoption of new accounting standards are discussed in Note 2.

We documented the summary of significant accounting policies in the Notes to the Consolidated Financial Statements of our annual report on Form 10-K for the fiscal year ended December 31, 2017. Other than the accounting policies noted above, there have been no material changes to our accounting policies since the filing of that report.

2. Newly Adopted Accounting Pronouncements

Revenue from Contracts with Customers

On January 1, 2018, we adopted Accounting Standards Update (“ASU”) No. 2014-09, Revenue from Contracts with Customers (Topic 606) and all the related amendments (“new revenue standard”) to all contracts not completed at the date of initial application using the modified retrospective method. The cumulative effect of initially applying the new revenue standard as an adjustment to the opening balance of retained earnings was not material to the company. The comparative information has not been restated and continues to be reported under the accounting standards in effect for those periods, and there are no material differences between the reported results under the new revenue standard and those that would have been reported under legacy U.S. GAAP.

The new revenue standard also required us to record a refund liability and a corresponding asset for our right to recover products from customers upon settling the refund liability to account for the transfer of products with a right of return. The impact of this provision of the new revenue standard is immaterial to our financial statements. The new revenue standard also provided additional clarity that resulted in a reclassification from Accounts Receivable to Other Current Liabilities to reflect a change in the presentation of our sales return reserves on the balance sheet, which were previously recorded net of Accounts Receivable. Provisions for estimated sales returns will continue to be recorded at the time the related revenue is recognized.    

9

The reclassification from Accounts Receivable to Other Current Liabilities in accordance with the detail described above impacted the Condensed Consolidated Balance Sheet as of September 30, 2018, as follows (in thousands):

	As Reported		Balances Without Adoption of ASC 606		Effect of Change Higher/(Lower)
ASSETS
Accounts Receivable	$	208,119	$	206,960	$	1,159
Total Current Assets	439,140		437,981		1,159
Total Assets	$	970,566	$	969,407	$	1,159
LIABILITIES
Other Current Liabilities	$	71,842	$	70,683	$	1,159
Total Current Liabilities	238,748		237,589		1,159
Total Liabilities	$	661,483	$	660,324	$	1,159

For additional disclosures regarding the new revenue standard, see Note 3.

Intra-Entity Transfers of Assets Other than Inventory

On January 1, 2018, we adopted ASU No. 2016-16, Income Taxes (Topic 740): Intra-Entity Transfers of Assets Other than Inventory. The ASU requires the tax effects of all intra-entity sales of assets other than inventory to be recognized in the period in which the transaction occurs. The adoption of this ASU resulted in a $94 cumulative effect adjustment recorded in Retained Earnings as of the beginning of 2018 that reflects a $1,281 reduction in a long-term deferred charge, mostly offset by the establishment of a deferred tax asset of $1,187. The reduction in the long-term asset and establishment of the deferred tax asset impacted Other Assets and Deferred Income Taxes, respectively, on our Condensed Consolidated Balance Sheets.

Statement of Cash Flows – Restricted Cash

On January 1, 2018, we adopted ASU No. 2016-18, Statement of Cash Flows (Topic 230): Restricted Cash. The ASU requires companies to explain the changes in the combined total of restricted and unrestricted balances in the Condensed Consolidated Statements of cash flows. Therefore, amounts generally described as restricted cash or restricted cash equivalents should be combined with unrestricted cash and cash equivalents when reconciling the beginning and end of period balances on the Condensed Consolidated Statements of Cash Flows. In accordance with the ASU, we adopted the standard on a retrospective basis to all periods presented.

Compensation – Retirement Benefits

On January 1, 2018, we adopted ASU No. 2017-07, Compensation—Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. The ASU requires employers to report the service cost component of net pension and postretirement benefit costs in the same line item or items as other compensation costs arising from services rendered by the pertinent employees during the period. The other components of net pension and postretirement benefit costs are required to be presented in the Condensed Consolidated Statements of Operations separately from the service cost component in nonoperating expenses. In accordance with the ASU, we adopted the standard on a retrospective basis to all periods presented. As a result, we reclassified $60 of net benefit credits and $74 of net benefit costs from Selling and Administrative Expense to Other Expense, Net on the Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2017, respectively. The reclassification represents the other components of net pension and postretirement benefit costs that are now presented in the Condensed Consolidated Statements of Operations separately from the service cost in Total Other Expense, Net. As a basis for the retrospective application of the ASU, we used the practical expedient that permits us to use the amounts disclosed for the various components of net benefit cost in Note 12.

Income Statement—Reporting Comprehensive Income

On January 1, 2018, we elected to adopt early ASU No. 2018-02, Income Statement—Reporting Comprehensive Income (Topic 220). The ASU gives companies the option to reclassify stranded tax effects caused by the newly enacted legislation referred to as the Tax Cuts and Jobs Act (the "Tax Act") from Accumulated Other Comprehensive Loss to Retained Earnings. The adoption resulted in a $1,263 cumulative effect adjustment which increased Retained Earnings as of the beginning of 2018 and reduced the deferred income tax benefits in Accumulated Other Comprehensive Loss relating to cash flow hedges and pension and retiree medical benefits.

10

Income Taxes

In March 2018, we adopted ASU No. 2018-05, Income Taxes (Topic 740): Amendments to SEC paragraphs Pursuant to SEC Staff Accounting Bulletin No. 118. The ASUupdates the income tax accounting in U.S. GAAP to reflect the SEC interpretive guidance released on December 22, 2017, when the Tax Act was signed into law. Additional information regarding the adoption of this standard is contained in Note 15.

3. Revenue from Contracts with Customers

Under the new revenue standard, revenue is recognized when control transfers under the terms of the contract with our customers. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. Sales and other taxes we collect concurrent with revenue-producing activities are excluded from revenue. We do not account for shipping and handling as a distinct performance obligation as we generally perform shipping and handling activities after we transfer control of goods to the customer. We have elected to account for shipping and handling costs associated with outbound freight after control of goods has transferred to a customer as a fulfillment cost. Incidental items that are immaterial in the context of the contract are not recognized as a separate performance obligation. We do not have any significantly extended payment terms as payment is generally received within one year of the point of sale.

In general, we transfer control and recognize a sale at the point in time when products are shipped from our manufacturing facilities both direct to consumers and to distributors. Service revenue is recognized in the period the service is performed or ratably over the period of the related service contract. Consideration related to service contracts is deferred if the proceeds are received in advance of the satisfaction of the performance obligations and recognized over the contract period as the performance obligation is met. We use an output method to measure progress toward completion for certain prepaid service contracts, as this method appropriately depicts performance towards satisfaction of the performance obligations.

For contracts with multiple performance obligations (i.e., a product and service component), we allocate the transaction price to the performance obligations in proportion to their stand-alone selling prices. We use an observable price to determine the stand-alone selling price for separate performance obligations. When allocating on a relative stand-alone selling price basis, any discounts contained within the contract are allocated proportionately to all of the performance obligations in the contract.

Disaggregation of Revenue

The following tables illustrate the disaggregation of revenue by geographic area, groups of similar products and services and sales channels for the three and nine months ended September 30, 2018 and 2017 (in thousands):

Net Sales by geographic area

	Three Months Ended				Nine Months Ended
	September 30				September 30
	2018		2017		2018		2017
Americas	$	175,341	$	161,037	$	516,731	$	472,953
Europe, Middle East and Africa	74,254		78,851		250,480		189,483
Asia Pacific	23,660		22,033		71,088		61,335
Total	$	273,255	$	261,921	$	838,299	$	723,771

Net Sales are attributed to each geographic area based on the end user country and are net of intercompany sales.

Net Sales by groups of similar products and services

	Three Months Ended				Nine Months Ended
	September 30				September 30
	2018		2017		2018		2017
Equipment	$	178,165	$	165,203	$	542,317	$	455,311
Parts and Consumables	53,639		53,535		168,491		149,260
Specialty Surface Coatings	7,139		8,007		21,434		22,491
Service and Other	34,312		35,176		106,057		96,709
Total	$	273,255	$	261,921	$	838,299	$	723,771

11

Net Sales by sales channel

	Three Months Ended				Nine Months Ended
	September 30				September 30
	2018		2017		2018		2017
Sales Direct to Consumer	$	180,901	$	172,484	$	547,079	$	490,533
Sales to Distributors	92,354		89,437		291,220		233,238
Total	$	273,255	$	261,921	$	838,299	$	723,771

Contract Liabilities

Sales Returns

The right of return may exist explicitly or implicitly with our customers. When the right of return exists, we adjust the transaction price for the estimated effect of returns. We estimate the expected returns using the expected value method by assessing historical sales levels and the timing and magnitude of historical sales return levels as a percent of sales and projecting this experience into the future.

Sales Incentives

Our sales contracts may contain various customer incentives, such as volume-based rebates or other promotions. We reduce the transaction price for certain customer programs and incentive offerings that represent variable consideration. Sales incentives given to our customers are recorded using the most likely amount approach for estimating the amount of consideration to which the company will be entitled. We forecast the most likely amount of the incentive to be paid at the time of sale, update this forecast quarterly, and adjust the transaction price accordingly to reflect the new amount of incentives expected to be earned by the customer. A majority of our customer incentives are settled within one year. We record our accruals for volume-based rebates and other promotions in Other Current Liabilities on our Condensed Consolidated Balance Sheets.

The change in our sales incentive accrual balance for the nine months ended September 30, 2018 was as follows:

	Nine Months Ended
	September 30
	2018
Beginning balance	$	13,466
Additions to sales incentive accrual	22,078
Contract payments	(21,677		)
Foreign currency fluctuations	(239		)
Ending balance	$	13,628

Deferred Revenue

We sell separately priced prepaid contracts to our customers where we receive payment at the inception of the contract and defer recognition of the consideration received because we have to satisfy future performance obligations. Our deferred revenue balance is primarily attributed to prepaid maintenance contracts on our machines ranging from 12 months to 60 months. In circumstances where prepaid contracts are bundled with machines, we use an observable price to determine stand-alone selling price for separate performance obligations.

The change in the deferred revenue balance for the nine months ended September 30, 2018 was as follows:

	Nine Months Ended
	September 30
	2018
Beginning balance	$	7,787
Increase in deferred revenue representing our obligation to satisfy future performance obligations	11,032
Decrease in deferred revenue for amounts recognized in Net Sales for satisfied performance obligations	(10,475		)
Foreign currency fluctuations	(140		)
Ending balance	$	8,204

12

At September 30, 2018, $5,064 and $3,140 of deferred revenue was reported in Other Current Liabilities and Other Liabilities, respectively, on our Condensed Consolidated Balance Sheets. Of this, we expect to recognize the following approximate amounts in Net Sales in the following periods:

Remaining 2018	$	2,502
2019	2,958
2020	1,595
2021	692
2022	381
Thereafter	76
Total	$	8,204

At December 31, 2017, $5,304 and $2,483 of deferred revenue was reported in Other Current Liabilities and Other Liabilities, respectively, on our Condensed Consolidated Balance Sheets.

Practical Expedients and Exemptions

We generally expense the incremental costs of obtaining a contract when incurred because the amortization period would be less than one year. These costs relate primarily to sales commissions and are recorded in Selling and Administrative Expense in the Condensed Consolidated Statements of Operations.

We do not disclose the value of unsatisfied performance obligations for contracts with an original expected length of one year or less. In addition, we do not adjust the promised amount of consideration for the effects of a significant financing component if we expect, at contract inception, that the period between when we transfer a promised good or service to a customer and when the customer pays for that good or service will be one year or less.

4. Management Actions

During the first quarter of 2017, we implemented a restructuring action to better align our global resources and expense structure with a lower growth global economic environment. The pre-tax charge of $8,018, including other associated costs of $961, consisted primarily of severance and was included within Selling and Administrative Expense in the Condensed Consolidated Statements of Operations. The charge impacted our Americas, Europe, Middle East and Africa (EMEA) and Asia Pacific (APAC) operating segments. The savings offset the pre-tax charge approximately one year from the date of the action. Additional costs will not be incurred related to this restructuring action.

During the fourth quarter of 2017, we implemented a restructuring action primarily driven by integration actions related to our acquisition of the IPC Group. The restructuring action consisted primarily of severance and included reductions in overall staffing to streamline and right-size the organization to support anticipated business requirements. The pre-tax charge of $2,501 was included within Selling and Administrative Expense in the Condensed Consolidated Statements of Operations. The charge impacted our Americas, EMEA and APAC operating segments. We believe the anticipated savings will offset the pre-tax charge in approximately one year from the date of the action. Additional costs will not be incurred related to this restructuring action.

A reconciliation of the beginning and ending liability balances is as follows:

	Severance and Related Costs
2017 restructuring actions	$	9,558
Cash payments	(6,312		)
Foreign currency adjustments	190
December 31, 2017 balance	$	3,436
2018 utilization:
Cash payments	(1,694		)
Foreign currency adjustments	(64		)
September 30, 2018 balance	$	1,678

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5. Acquisitions and Divestitures

On September 4, 2018, we signed a definitive agreement to acquire Hefei Gaomei Cleaning Machines Co., Ltd. and Anhui Rongen Environmental Protection Technology Co., Ltd (collectively "Gaomei"), privately held designers and manufacturers of commercial cleaning solutions based in China. We expect the acquisition to be completed in the first quarter of 2019. The purchase price and net assets to be acquired are not significant to our consolidated financial statements.

During the third quarter of 2018, we sold our Waterstar business for $4,000 in cash. The resulting gain was approximately $1,000 and is reflected within Selling and Administrative Expense in operating profit in our Condensed Consolidated Statements of Operations.

On April 6, 2017, we acquired the outstanding capital stock of IP Cleaning S.p.A. and its subsidiaries ("IPC Group") for a purchase price of $353,769, net of cash acquired of $8,804. The primary seller was Ambienta SGR S.p.A., a European private equity fund. IPC Group, based in Italy, is a designer and manufacturer of innovative professional cleaning equipment, cleaning tools and supplies. The acquisition strengthens our presence and market share in Europe and allows us to better leverage our EMEA cost structure. We funded the acquisition of IPC Group, along with related fees, including refinancing of existing debt, with funds raised through borrowings under a senior secured credit facility in an aggregate principal amount of $420,000. Further details regarding our acquisition financing arrangements are discussed in Note 8.

The following table summarizes the final fair value measurement of the assets acquired and liabilities assumed as of the date of acquisition:

ASSETS
Receivables	$	39,984
Inventories	46,442
Other Current Assets	7,456
Assets Held for Sale	2,247
Property, Plant and Equipment	63,890
Intangible Assets Subject to Amortization:
Trade Name	26,753
Customer Lists	123,061
Technology	9,631
Other Assets	2,000
Total Identifiable Assets Acquired	321,464
LIABILITIES
Accounts Payable	32,227
Accrued Expenses	18,130
Deferred Income Taxes	56,950
Other Liabilities	10,964
Total Identifiable Liabilities Assumed	118,271
Net Identifiable Assets Acquired	203,193
Noncontrolling Interest	(1,896		)
Goodwill	152,472
Total Purchase Price, net of Cash Acquired	$	353,769

Based on the final fair value measurement of the assets acquired and liabilities assumed, we allocated $152,472 to goodwill for the expected synergies from combining IPC Group with our existing business. None of the goodwill is expected to be deductible for income tax purposes. In connection with the finalization of the fair value measurements in the first quarter of 2018, we recorded a measurement period adjustment, which increased goodwill by $4,627 with offsetting adjustments to various income tax assets and liabilities.

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The final fair value of the acquired intangible assets is $159,445. The expected lives of the acquired amortizable intangible assets are approximately 15 years for customer lists, 10 years for trade names and 10 years for technology. Trade names are being amortized on a straight-line basis while the customer lists and technology are being amortized on an accelerated basis. We recorded amortization expense of $5,401 and $16,424 in Selling and Administrative Expense on our Condensed Consolidated Statements of Operations for these acquired intangible assets for the three and nine months ended September 30, 2018, respectively.

The following unaudited pro forma financial information presents the combined results of operations of Tennant Company as if the 2017 acquisition of the IPC Group had occurred as of January 1, 2016. The unaudited pro forma financial information is presented for informational purposes only. It is not necessarily indicative of what our consolidated results of operations actually would have been had the acquisition occurred at the beginning of fiscal 2016. No pro forma results are presented for the three or nine months ended September 30, 2018, as the results of the acquired company are included in the actual results.

Pro Forma Financial Information (Unaudited)
	Three Months Ended		Nine Months Ended
(In thousands, except per share data)	September 30		September 30
	2017		2017
Net Sales
Pro forma	$	261,921	$	777,832
As reported	261,921		723,771
Net Earnings (Loss) Attributable to Tennant Company
Pro forma	$	5,800	$	14,875
As reported	3,559		(2,989		)
Net Earnings (Loss) Attributable to Tennant Company per Share
Pro forma	$	0.32	$	0.84
As reported	0.20		(0.17		)

The unaudited pro forma financial information above gives effect to the following:

• incremental depreciation and amortization expense related to the fair value of the property, plant and equipment and identified intangible assets;

• exclusion of the purchase accounting impact of the inventory step-up related to the sale of acquired inventory;

• incremental interest expense related to additional debt used to finance the acquisition;

• exclusion of non-recurring acquisition-related transaction and financing costs; and

• pro forma adjustments tax affected based on the jurisdiction where the costs were incurred.

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6. Inventories

Inventories are valued at the lower of cost or market. Inventories at September 30, 2018 and December 31, 2017 consisted of the following:

	September 30, 2018			December 31, 2017
Inventories carried at LIFO:
Finished goods	$	48,471		$	43,439
Raw materials, production parts and work-in-process	28,994			23,694
LIFO reserve	(30,668		)	(28,429		)
Total LIFO inventories	46,797			38,704
Inventories carried at FIFO:
Finished goods	53,138			54,161
Raw materials, production parts and work-in-process	39,858			34,829
Total FIFO inventories	92,996			88,990
Total inventories	$	139,793		$	127,694

The LIFO reserve approximates the difference between LIFO carrying cost and FIFO.

7. Goodwill and Intangible Assets

The changes in the carrying value of Goodwill for the nine months ended September 30, 2018 were as follows:

	Goodwill			Accumulated Impairment Losses			Total
Balance as of December 31, 2017	$	227,224		$	(41,180	)	$	186,044
Purchase accounting adjustments	4,627			—			4,627
Foreign currency fluctuations	(7,542		)	1,490			(6,052		)
Balance as of September 30, 2018	$	224,309		$	(39,690	)	$	184,619

The balances of acquired Intangible Assets, excluding Goodwill, as of September 30, 2018 and December 31, 2017, were as follows:

	Customer Lists			Trade Names			Technology			Total
Balance as of September 30, 2018
Original cost	$	144,760		$	30,945		$	17,134		$	192,839
Accumulated amortization	(29,908		)	(4,631		)	(5,326		)	(39,865		)
Carrying value	$	114,852		$	26,314		$	11,808		$	152,974
Weighted average original life (in years)	15			10			11
Balance as of December 31, 2017
Original cost	$	149,355		$	31,968		$	14,589		$	195,912
Accumulated amortization	(17,870		)	(2,436		)	(3,259		)	(23,565		)
Carrying value	$	131,485		$	29,532		$	11,330		$	172,347
Weighted average original life (in years)	15			10			11

The purchase accounting adjustments recorded during the first quarter of 2018 were based on the fair value adjustments related to our acquisition of the IPC Group, as described further in Note 5.

During the first nine months of 2018, we purchased a technology license for $2,500. The license was recorded in Intangible Assets, Net as technology on the Condensed Consolidated Balance Sheets as of September 30, 2018.

Amortization expense on Intangible Assets for the three and nine months ended September 30, 2018 was $5,720 and $17,378, respectively. Amortization expense on Intangible Assets for the three and nine months ended September 30, 2017 was $7,650 and $11,430, respectively.

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Estimated aggregate amortization expense based on the current carrying value of amortizable Intangible Assets for each of the five succeeding years and thereafter is as follows:

Remaining 2018	$	5,456
2019	21,268
2020	19,827
2021	18,244
2022	15,965
Thereafter	72,214
Total	$	152,974

8. Debt

Financial Covenants

In 2017, the Company and certain of our foreign subsidiaries entered into a Credit Agreement (the "2017 Credit Agreement) with JPMorgan, as administrative agent, Goldman Sachs Bank USA, as syndication agent, Wells Fargo, National Association, U.S. Bank National Association, and HSBC Bank USA, National Association, as co-documentation agents, and the lenders (including JPMorgan) from time to time party thereto.

The 2017 Credit Agreement contains customary representations, warranties and covenants, including, but not limited to, covenants restricting the company’s ability to incur indebtedness and liens and merge or consolidate with another entity. The 2017 Credit Agreement also contains financial covenants, requiring us to maintain a ratio of consolidated total indebtedness to consolidated earnings before income, taxes, depreciation and amortization, subject to certain adjustments ("Adjusted EBITDA") of not greater than 4.00 to 1, as well as requiring us to maintain a ratio of consolidated Adjusted EBITDA to consolidated interest expense of no less than 3.50 to 1 for the quarter ended September 30, 2018. The 2017 Credit Agreement also contains a financial covenant requiring us to maintain a senior secured net indebtedness to Adjusted EBITDA ratio of not greater than 3.50 to 1. These financial covenants may restrict our ability to pay dividends and purchase outstanding shares of our common stock. We were in compliance with our financial covenants at September 30, 2018.

We will be required to repay the senior credit agreement with 25% to 50% of our excess cash flow from the preceding fiscal year, as defined in the agreement, unless our net leverage ratio for such preceding fiscal year is less than or equal to 3.00 to 1, which will be first measured using our fiscal year ended December 31, 2018.

Our Senior Notes also contain certain restrictions, which are generally less restrictive than those contained in the 2017 Credit Agreement.

Registration Rights Agreement

In connection with the issuance and sale of the Senior Notes, the company entered into a Registration Rights Agreement, dated April 18, 2017, among the company, the Guarantors and Goldman, Sachs & Co. and J.P. Morgan Securities LLC (the “Registration Rights Agreement”). Pursuant to the Registration Rights Agreement, the company agreed (1) to use its commercially reasonable efforts to consummate an exchange offer to exchange the Senior Notes for new registered notes (the “Exchange Notes”), with terms substantially identical in all material respects with the Senior Notes (except that the Exchange Notes will not contain terms with respect to additional interest, registration rights or transfer restrictions) and (2) if required, to have a shelf registration statement declared effective with respect to resales of the Senior Notes. 

On January 22, 2018, we commenced the exchange offer required by the Registration Rights Agreement. The exchange offer closed on February 23, 2018. We did not incur any additional indebtedness as a result of the exchange offer. As a result, we are not required to pay additional interest on the Senior Notes.

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Debt Outstanding

Debt outstanding at September 30, 2018 and December 31, 2017 consisted of the following:

	September 30, 2018			December 31, 2017
Long-Term Debt:
Senior unsecured notes	$	300,000		$	300,000
Credit facility borrowings	50,000			80,000
Capital lease obligations	2,955			3,279
Total Long-Term Debt	352,955			383,279
Less: unamortized debt issuance costs	(5,020		)	(6,440		)
Less: current maturities of credit facility borrowings, net of debt issuance costs(1)	(29,704		)	(29,413		)
Less: current maturities of capital lease obligations(1)	(1,294		)	(1,470		)
Long-term portion	$	316,937		$	345,956

⁽¹⁾  Current maturities of long-term debt include $30,000 of current maturities, less $296 of unamortized debt issuance costs, under our 2017 Credit Agreement and $1,294 of current maturities of capital lease obligations.

As of September 30, 2018, we had outstanding borrowings under our Senior Unsecured Notes of $300,000. We had outstanding borrowings under our 2017 Credit Agreement, totaling $30,000 under our term loan facility and $20,000 under our revolving facility, leaving $180,000 of unused borrowing capacity on our revolving facility. Although we are only required to make a minimum principal payment of $6,250 during the next year, we have both the intent and the ability to pay an additional $23,750 during the next year on our term loan facility. As such, we have classified $30,000 as current maturities of long-term debt. In addition, we had letters of credit and bank guarantees outstanding in the amount of $5,724, leaving approximately $174,276 of unused borrowing capacity on our revolving facility. Commitment fees on unused lines of credit for the nine months ended September 30, 2018 were $455. The overall weighted average cost of debt is approximately 5.4% and net of a related cross-currency swap instrument is approximately 4.5%. Further details regarding the cross-currency swap instrument are discussed in Note 10.

9. Warranty

We record a liability for warranty claims at the time of sale. The amount of the liability is based on the trend in the historical ratio of claims to sales, the historical length of time between the sale and resulting warranty claim, new product introductions and other factors. Warranty terms on machines generally range from one to four years. However, the majority of our claims are paid out within the first six to nine months following a sale. The majority of the liability for estimated warranty claims represents amounts to be paid out in the near term for qualified warranty issues, with immaterial amounts reserved to be paid for older equipment warranty issues.

The changes in warranty reserves for the nine months ended September 30, 2018 and 2017 were as follows:

	Nine Months Ended
	September 30
	2018			2017
Beginning balance	$	12,676		$	10,960
Additions charged to expense	10,883			8,879
Acquired warranty obligations	—			384
Foreign currency fluctuations	(193		)	225
Claims paid	(9,805		)	(8,912		)
Ending balance	$	13,561		$	11,536

10. Derivatives

Hedge Accounting and Hedging Programs

We recognize all derivative instruments as either assets or liabilities in our Condensed Consolidated Balance Sheets and measure them at fair value. Gains and losses resulting from changes in fair value are accounted for depending on the use of the derivative and whether it is designated and qualifies for hedge accounting.

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Balance Sheet Hedging

Hedges of Foreign Currency Assets and Liabilities

We hedge portions of our net recognized foreign currency denominated assets and liabilities with foreign exchange forward contracts to reduce the risk that the value of these assets and liabilities will be adversely affected by changes in exchange rates. At September 30, 2018 and December 31, 2017, the notional amounts of foreign currency forward exchange contracts outstanding not designated as hedging instruments were $47,614 and $60,858, respectively.

Cash Flow Hedging

Hedges of Forecasted Foreign Currency Transactions

In countries outside the U.S., we transact business in U.S. dollars and in various other currencies. We may use foreign exchange option contracts or forward contracts to hedge certain cash flow exposures resulting from changes in these foreign currency exchange rates. These foreign exchange contracts, carried at fair value, have maturities of up to one year. We enter into these foreign exchange contracts to hedge a portion of our forecasted foreign currency denominated revenue in the normal course of business, and accordingly, they are not speculative in nature. The notional amounts of outstanding foreign currency forward contracts designated as cash flow hedges were $2,952 and $2,928 as of September 30, 2018 and December 31, 2017, respectively. The notional amounts of outstanding foreign currency option contracts designated as cash flow hedges were $8,737 and $8,619 as of September 30, 2018 and December 31, 2017, respectively.

Foreign Currency Derivatives

We use foreign currency exchange rate derivatives to hedge our exposure to fluctuations in exchange rates for anticipated intercompany cash transactions between Tennant Company and its subsidiaries. We entered into Euro to U.S. dollar foreign exchange cross currency swaps for all of the anticipated cash flows associated with an intercompany loan from a wholly owned European subsidiary. We enter into these foreign exchange cross currency swaps to hedge the foreign currency denominated cash flows associated with this intercompany loan, and accordingly, they are not speculative in nature. These cross currency swaps are designated as cash flow hedges. The hedged cash flows as of September 30, 2018 and December 31, 2017 included €175,800 and €181,200 of total notional values, respectively. As of September 30, 2018, the aggregate scheduled interest payments over the course of the loan and related swaps amounted to €25,800. The scheduled maturity and principal payment of the loan and related swaps of €150,000 are due in April 2022.

The fair value of derivative instruments on our Condensed Consolidated Balance Sheets as of September 30, 2018 and December 31, 2017 was as follows:

	September 30, 2018				December 31, 2017
	Fair Value Asset Derivatives		Fair Value Liability Derivatives		Fair Value Asset Derivatives		Fair Value Liability Derivatives
Derivatives designated as hedging instruments:
Foreign currency option contracts(1)	$	113	$	—	$	86	$	—
Foreign currency forward contracts(1)	7,038		29,868		7,218		34,961
Derivatives not designated as hedging instruments:
Foreign currency forward contracts(1)	$	653	$	358	$	442	$	425

⁽¹⁾  Contracts that mature within the next 12 months are included in Other Current Assets and Other Current Liabilities for asset derivatives and liability derivatives, respectively, on our Condensed Consolidated Balance Sheets. Contracts with maturities greater than 12 months are included in Other Assets and Other Liabilities for asset derivatives and liability derivatives, respectively, in our Condensed Consolidated Balance Sheets. Amounts included in our Condensed Consolidated Balance Sheets are recorded net where a right of offset exists with the same derivative counterparty.

As of September 30, 2018, we anticipate reclassifying approximately $2,129 of gains from Accumulated Other Comprehensive Loss to net earnings during the next 12 months.

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The effect of foreign currency derivative instruments designated as cash flow hedges and of foreign currency derivative instruments not designated as hedges in our Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2018 was as follows:

	Three Months Ended						Nine Months Ended
	September 30, 2018						September 30, 2018
	Foreign Currency Option Contracts			Foreign Currency Forward Contracts			Foreign Currency Option Contracts			Foreign Currency Forward Contracts
Derivatives in cash flow hedging relationships:
Net (loss) gain recognized in Other Comprehensive (Loss) Income, net of tax(1)	$	(89	)	$	1,253		$	(40	)	$	4,929
Net loss reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Sales	(7		)	(33		)	(91		)	(34		)
Net gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Interest Income	—			487			—			1,345
Net gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Foreign Currency Transaction Losses	—			739			—			4,724
Net (loss) gain recognized in earnings(2)	(5		)	2			3			8
Derivatives not designated as hedging instruments:
Net (loss) gain recognized in earnings(3)	$	—		$	(658	)	$	—		$	1,174

The effect of foreign currency derivative instruments designated as cash flow hedges and of foreign currency derivative instruments not designated as hedges in our Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2017 was as follows:

	Three Months Ended						Nine Months Ended
	September 30, 2017						September 30, 2017
	Foreign Currency Option Contracts			Foreign Currency Forward Contracts			Foreign Currency Option Contracts			Foreign Currency Forward Contracts
Derivatives in cash flow hedging relationships:
Net loss recognized in Other Comprehensive (Loss) Income, net of tax(1)	$	(40	)	$	(4,492	)	$	(177	)	$	(14,026	)
Net (loss) gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Sales	(141		)	26			(140		)	(76		)
Net gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Interest Income	—			374			—			823
Net loss reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Foreign Currency Transaction Losses	—			(3,705		)	—			(10,853		)
Net (loss) gain recognized in earnings(2)	(7		)	3			(12		)	8
Derivatives not designated as hedging instruments:
Net loss recognized in earnings(3)	$	—		$	(2,062	)	$	(1,132	)	$	(7,369	)

⁽¹⁾  Net change in the fair value of the effective portion classified in Other Comprehensive (Loss) Income.

⁽²⁾  Ineffective portion and amount excluded from effectiveness testing classified in Net Foreign Currency Transaction Losses.

⁽³⁾  Classified in Net Foreign Currency Transaction Losses.

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11. Fair Value Measurements

Estimates of fair value for financial assets and financial liabilities are based on the framework established in the accounting guidance for fair value measurements. The framework defines fair value, provides guidance for measuring fair value and requires certain disclosures. The framework discusses valuation techniques, such as the market approach (comparable market prices), the income approach (present value of future income or cash flow) and the cost approach (cost to replace the service capacity of an asset or replacement cost). The framework utilizes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The following is a brief description of those three levels:

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

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

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

Our population of assets and liabilities subject to fair value measurements at September 30, 2018 is as follows:

	Fair Value		Level 1		Level 2		Level 3
Assets:
Foreign currency forward exchange contracts	$	7,691	$	—	$	7,691	$	—
Foreign currency option contracts	113		—		113		—
Total Assets	$	7,804	$	—	$	7,804	$	—
Liabilities:
Foreign currency forward exchange contracts	$	30,226	$	—	$	30,226	$	—
Total Liabilities	$	30,226	$	—	$	30,226	$	—

Our population of assets and liabilities subject to fair value measurements at December 31, 2017 is as follows:

	Fair Value		Level 1		Level 2		Level 3
Assets:
Foreign currency forward exchange contracts	$	7,660	$	—	$	7,660	$	—
Foreign currency option contracts	86		—		86		—
Total Assets	$	7,746	$	—	$	7,746	$	—
Liabilities:
Foreign currency forward exchange contracts	$	35,386	$	—	$	35,386	$	—
Total Liabilities	$	35,386	$	—	$	35,386	$	—

Our foreign currency forward exchange and option contracts are valued using observable Level 2 market expectations at the measurement date and standard valuation techniques to convert future amounts to a single present value amount. Further details regarding our foreign currency forward exchange and option contracts are discussed in Note 10.

The carrying amounts reported in the Condensed Consolidated Balance Sheets for Cash and Cash Equivalents, Restricted Cash, Accounts Receivable, Other Current Assets, Accounts Payable and Other Current Liabilities approximate fair value due to their short-term nature.

The fair market value of our Long-Term Debt approximates cost based on the borrowing rates currently available to us for bank loans with similar terms and remaining maturities.

From time to time, we measure certain assets at fair value on a non-recurring basis, including evaluation of long-lived assets, goodwill and other intangible assets, as part of a business acquisition. These assets are measured and recognized at amounts equal to the fair value determined as of the date of acquisition. Fair value valuations are based on the information available as of the acquisition date and the expectations and assumptions that have been deemed reasonable by us. There are inherent uncertainties and management judgment required in these determinations. The fair value measurements of assets and liabilities assumed as part of a business acquisition are based on valuations involving significant unobservable inputs, or Level 3, in the fair value hierarchy.

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These assets are also subject to periodic impairment testing by comparing the respective carrying value of each asset to the estimated fair value of the reporting unit or asset group in which they reside. In the event we determine these assets to be impaired, we would recognize an impairment loss equal to the amount by which the carrying value of the reporting unit, impairment asset or asset group exceeds its estimated fair value. These periodic impairment tests utilize company-specific assumptions involving unobservable inputs, or Level 3, in the fair value hierarchy.

12. Retirement Benefit Plans

Our defined benefit pension plans and postretirement medical plan are described in Note 13 of our annual report on Form 10-K for the year ended December 31, 2017. We have contributed $36 and $139 during the third quarter of 2018 and $187 and $695 during the first nine months of 2018 to our pension plans and postretirement medical plan, respectively.

The components of the net benefit cost for the three and nine months ended September 30, 2018 and 2017 were as follows:

	Three Months Ended
	September 30
	Pension Benefits											Postretirement
	U.S. Plans					Non-U.S. Plans						Medical Benefits
	2018		2017			2018			2017			2018		2017
Service cost	$	—	$	—		$	33		$	124		$	6	$	6
Interest cost	10		373			82			96			70		91
Expected return on plan assets	—		(581		)	(77		)	(101		)	—		—
Amortization of net actuarial loss	13		12			—			—			—		—
Amortization of prior service cost	—		—			54			50			—		—
Foreign currency	—		—			(118		)	135			—		—
Net periodic benefit cost (credit)	23		(196		)	(26		)	304			76		97
Net benefit cost (credit)	$	23	$	(196	)	$	(26	)	$	304		$	76	$	97

	Nine Months Ended
	September 30
	Pension Benefits											Postretirement
	U.S. Plans					Non-U.S. Plans						Medical Benefits
	2018		2017			2018			2017			2018		2017
Service cost	$	—	$	—		$	105		$	172		$	34	$	46
Interest cost	32		1,153			240			315			220		272
Expected return on plan assets	—		(1,752		)	(268		)	(298		)	—		—
Amortization of net actuarial loss	37		33			—			—			—		—
Amortization of prior service cost	—		—			160			146			—		—
Foreign currency	—		—			(212		)	364			—		—
Net periodic benefit cost (credit)	69		(566		)	25			699			254		318
Settlement charge	50		205			—			—			—		—
Net benefit cost (credit)	$	119	$	(361	)	$	25		$	699		$	254	$	318

13. Commitments and Contingencies

Certain operating leases for vehicles contain residual value guarantee provisions, which would become due at the expiration of the operating lease agreement if the fair value of the leased vehicles is less than the guaranteed residual value. As of September 30, 2018, of those leases that contain residual value guarantees, the aggregate residual value at lease expiration was $13,990, of which we have guaranteed $8,371. As of September 30, 2018, we have recorded a liability for the estimated end of term loss related to this residual value guarantee of $317 for certain vehicles within our fleet. Our fleet also contains vehicles we estimate will settle at a gain. Gains on these vehicles will be recognized at the end of the lease term.

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14. Accumulated Other Comprehensive Loss

Components of Accumulated Other Comprehensive Loss, net of tax, within the Condensed Consolidated Balance Sheets, are as follows:

	September 30, 2018			December 31, 2017
Foreign currency translation adjustments	$	(29,456	)	$	(15,778	)
Pension and retiree medical benefits	(1,661		)	(1,610		)
Cash flow hedge	(7,116		)	(4,935		)
Total Accumulated Other Comprehensive Loss	$	(38,233	)	$	(22,323	)

The changes in components of Accumulated Other Comprehensive Loss, net of tax, are as follows:

	Foreign Currency Translation Adjustments			Pension and Post Retirement Benefits			Cash Flow Hedge			Total
December 31, 2017	$	(15,778	)	$	(1,610	)	$	(4,935	)	$	(22,323	)
Other comprehensive (loss) income before reclassifications	(13,678		)	19			4,889			(8,770		)
Amounts reclassified from Accumulated Other Comprehensive Loss	—			67			(5,944		)	(5,877		)
Adjustments to Accumulated Other Comprehensive Loss for disproportionate income tax effects recognized from the adoption of ASU 2018-02	—			(137		)	(1,126		)	(1,263		)
Net current period other comprehensive loss	(13,678		)	(51		)	(2,181		)	(15,910		)
September 30, 2018	$	(29,456	)	$	(1,661	)	$	(7,116	)	$	(38,233	)

15. Income Taxes

We and our subsidiaries are subject to U.S. federal income tax as well as income tax of numerous state and foreign jurisdictions. We are generally no longer subject to U.S. federal tax examinations for taxable years before 2016 and, with limited exceptions, state and foreign income tax examinations for taxable years before 2013.

We recognize potential accrued interest and penalties related to unrecognized tax benefits in Income Tax Expense. In addition to the liability of $6,067 for unrecognized tax benefits as of September 30, 2018, there was approximately $489 for accrued interest and penalties. The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate as of September 30, 2018 was $5,842. To the extent interest and penalties are not assessed with respect to uncertain tax positions, amounts accrued will be revised and reflected as an adjustment of the Income Tax Expense.

The Internal Revenue Service completed its examination of the U.S. income tax return for the 2015 tax year during the third quarter of 2018. The IRS's adjustments to certain tax positions were not material and were fully reserved. We are currently undergoing income tax examinations in various state and foreign jurisdictions covering 2014 to 2016. Although the final outcome of these examinations cannot be currently determined, we believe that we have adequate reserves with respect to these examinations.

On December 22, 2017, the Tax Act was signed into law. The Tax Act made broad and complex changes to the U.S. tax code which includes a lowering of the U.S. federal corporate income tax rate from 35% to 21% effective January 1, 2018, accelerated expensing of qualified capital investments for a specific period, limitations of the deductibility of interest expense and executive compensation, and a transition from a worldwide to a territorial tax system, which requires companies to pay a one-time transition tax on certain unrepatriated earnings from foreign subsidiaries.

23

ASC 740, Income Taxes, requires a company to record the effects of a tax law change in the period of enactment. ASU 2018-05 allows a company to record a provisional amount when it does not have the necessary information available, prepared or analyzed in reasonable detail to complete its accounting for the change in the tax law. The measurement period ends when the company has obtained, prepared and analyzed the information necessary to finalize its accounting, but cannot extend beyond one year. In the fourth quarter of 2017, we included a provisional amount for the one-time transition tax on certain unrepatriated earnings. The accounting for the income tax effect of the one-time transition tax on certain unrepatriated earnings was finalized in the third quarter of 2018, impacting the year-to-date overall effective tax rate by (1.3)%. In the fourth quarter of 2017, we remeasured our deferred taxes at the reduced corporate tax rate of 21% and recognized the change as a discrete income tax expense. The accounting for the remeasurement of the deferred taxes was finalized in the third quarter of 2018, and the impact to the year-to-date overall effective tax rate was immaterial.

We recorded income tax expense of $158 during the third quarter of 2018, or 1.6% of earnings before income taxes. During the first nine months of 2018, we recorded income tax expense of $1,598, or 5.8% of earnings before income taxes. This amount primarily reflects two items: (1) the Tax Act resulted in a lower tax rate beginning in the first quarter of 2018. This includes the estimated impacts of requiring a current inclusion in U.S. federal income of certain earnings of controlled foreign corporations, allowing a domestic corporation an immediate deduction in the U.S. taxable income for a portion of its foreign-derived intangible income, the base erosion anti-abuse tax, and limitations on the deductibility of executive compensation. These estimates had an immaterial impact on our effective income tax rate for 2018; and (2) during 2018, we recorded discrete income tax items to adjust our finalized transition tax liability by $(362), and we realized two discrete tax benefits, totaling $3,568, resulting from the exercise of soon-to-expire stock options and a favorable tax ruling from Italian tax authorities related to the deductibility of interest expense in Italy. We will continue to monitor and evaluate guidance and clarifications from the Internal Revenue Service as it relates to the Tax Act and will record adjustments as necessary.

16. Share-Based Compensation

Our share-based compensation plans are described in Note 17 of our annual report on Form 10-K for the year ended December 31, 2017. During the three months ended September 30, 2018 and 2017, we recognized total Share-Based Compensation Expense of $1,893 and $1,293, respectively. During the nine months ended September 30, 2018 and 2017, we recognized total Share-Based Compensation Expense of $6,008 and $4,915, respectively. The total excess tax benefit recognized for share-based compensation arrangements during the nine months ended September 30, 2018 and 2017 was $2,073 and $1,149, respectively.

During the first nine months of 2018, we issued 16,377 restricted shares. The weighted average grant date fair value of each share awarded was $67.70. Restricted share awards generally have a three year vesting period from the effective date of the grant. The total fair value of shares vested during the nine months ended September 30, 2018 and 2017 was $863 and $1,295, respectively.

17. Earnings (Loss) Attributable to Tennant Company Per Share

The computations of Basic and Diluted Earnings (Loss) per Share were as follows:

	Three Months Ended				Nine Months Ended
	September 30				September 30
	2018		2017		2018		2017
Numerator:
Net Earnings (Loss) Attributable to Tennant Company	$	9,676	$	3,559	$	25,694	$	(2,989	)
Denominator:
Basic - Weighted Average Shares Outstanding	17,998,917		17,729,857		17,911,880		17,673,656
Effect of dilutive securities:
Share-based compensation plans	440,704		441,587		432,933		—
Diluted - Weighted Average Shares Outstanding	18,439,621		18,171,444		18,344,813		17,673,656
Basic Earnings (Loss) per Share	$	0.54	$	0.20	$	1.43	$	(0.17	)
Diluted Earnings (Loss) per Share	$	0.52	$	0.20	$	1.40	$	(0.17	)

24

Excluded from the dilutive securities shown above were options to purchase and shares to be paid out under share-based compensation plans of 139,106 and 340,239 shares of common stock during the three months ended September 30, 2018 and 2017, respectively. Excluded from the dilutive securities shown above were options to purchase and shares to be paid out under share-based compensation plans of 214,605 and 714,687 shares of common stock during the nine months ended September 30, 2018 and 2017, respectively. These exclusions were made if the exercise prices of the options are greater than the average market price of our common stock for the period, if the number of shares we can repurchase under the treasury stock method exceeds the weighted average shares outstanding in the options or if we have a net loss, as these effects are anti-dilutive.

18. Segment Reporting

We are organized into four operating segments: North America, Latin America, EMEA and APAC. We combine our North America and Latin America operating segments into the “Americas” for reporting Net Sales by geographic area. In accordance with the objective and basic principles of the applicable accounting guidance, we aggregate our operating segments into one reportable segment that consists of the design, manufacture and sale of products used primarily in the maintenance of nonresidential surfaces.

Further disclosures regarding our net sales by geographic areaare discussed in Note 3.

19. Separate Financial Information of Guarantor Subsidiaries

The following condensed consolidated guarantor financial information is presented to comply with the requirements of Rule 3-10 of Regulation S-X.

In 2017, we issued and sold $300,000 in aggregate principal amount of our 5.625% Senior Notes due 2025 (the "Notes), pursuant to an Indenture, dated as of April 18, 2017, among the company, the Guarantors (as defined below), and Wells Fargo Bank, National Association, a national banking association, as trustee. The Notes are unconditionally and jointly and severally guaranteed by Tennant Coatings, Inc. and Tennant Sales and Service Company (collectively, the "Guarantors"), which are wholly owned subsidiaries of the company.

The Notes and the guarantees constitute senior unsecured obligations of the company and the Guarantors, respectively. The Notes and the guarantees, respectively, are: (a) equal in right of payment with all of the company’s and the Guarantors’ senior debt, without giving effect to collateral arrangements; (b) senior in right of payment to all of the company’s and the Guarantors’ future subordinated debt, if any; (c) effectively subordinated in right of payment to all of the company’s and the Guarantors’ debt and obligations that are secured, including borrowings under the company’s senior secured credit facilities for so long as the senior secured credit facilities are secured, to the extent of the value of the assets securing such liens; and (d) structurally subordinated in right of payment to all liabilities (including trade payables) of the company’s and the Guarantors’ subsidiaries that do not guarantee the Notes.

The following condensed consolidated financial information presents the Condensed Consolidated Statements of Operations and the Condensed Consolidated Statements of Comprehensive Income for each of the three and nine months ended September 30, 2018 and September 30, 2017, the related Condensed Consolidated Balance Sheets as of September 30, 2018 and December 31, 2017, and the related Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2018 and September 30, 2017, of Tennant Company ("Parent"), the Guarantor Subsidiaries on a combined basis, the Non-Guarantor Subsidiaries on a combined basis and elimination entries necessary to consolidate the Parent with the Guarantor and Non-Guarantor Subsidiaries. The following condensed consolidated financial statements should be read in conjunction with the consolidated financial statements of the company and notes thereto of which this note is an integral part.

25

Condensed Consolidated Statement of Operations
For the three months ended September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Sales	$	126,110		$	160,226		$	131,418		$	(144,499	)	$	273,255
Cost of Sales	86,781			135,058			87,707			(144,376		)	165,170
Gross Profit	39,329			25,168			43,711			(123		)	108,085
Operating Expense:
Research and Development Expense	6,096			279			1,131			—			7,506
Selling and Administrative Expense	26,765			18,091			39,473			811			85,140
Total Operating Expense	32,861			18,370			40,604			811			92,646
Profit from Operations	6,468			6,798			3,107			(934		)	15,439
Other Income (Expense):
Equity in Earnings of Affiliates	5,256			262			205			(5,723		)	—
Interest (Expense) Income, Net	(5,230		)	—			92			(9		)	(5,147		)
Intercompany Interest Income (Expense)	3,621			(1,450		)	(2,171		)	—			—
Net Foreign Currency Transaction (Losses) Gains	(69		)	4			(230		)	—			(295		)
Other Expense, Net	(179		)	(473		)	(263		)	785			(130		)
Total Other Income (Expense), Net	3,399			(1,657		)	(2,367		)	(4,947		)	(5,572		)
Profit Before Income Taxes	9,867			5,141			740			(5,881		)	9,867
Income Tax Expense (Benefit)	158			1,230			(865		)	(365		)	158
Net Earnings Including Noncontrolling Interest	9,709			3,911			1,605			(5,516		)	9,709
Net Earnings Attributable to Noncontrolling Interest	33			—			33			(33		)	33
Net Earnings Attributable to Tennant Company	$	9,676		$	3,911		$	1,572		$	(5,483	)	$	9,676

26

Condensed Consolidated Statement of Operations
For the nine months ended September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Sales	$	366,093		$	472,524		$	422,887		$	(423,205	)	$	838,299
Cost of Sales	249,065			395,327			278,207			(421,821		)	500,778
Gross Profit	117,028			77,197			144,680			(1,384		)	337,521
Operating Expense:
Research and Development Expense	18,625			825			3,958			—			23,408
Selling and Administrative Expense	84,478			57,151			126,833			811			269,273
Total Operating Expense	103,103			57,976			130,791			811			292,681
Profit from Operations	13,925			19,221			13,889			(2,195		)	44,840
Other Income (Expense):
Equity in Earnings of Affiliates	19,657			1,356			4,234			(25,247		)	—
Interest (Expense) Income, Net	(15,726		)	—			558			(28		)	(15,196		)
Intercompany Interest Income (Expense)	10,989			(4,308		)	(6,681		)	—			—
Net Foreign Currency Transaction Losses	(354		)	(2		)	(1,025		)	—			(1,381		)
Other (Expense) Income, Net	(1,118		)	(1,610		)	1,113			725			(890		)
Total Other Income (Expense), Net	13,448			(4,564		)	(1,801		)	(24,550		)	(17,467		)
Profit Before Income Taxes	27,373			14,657			12,088			(26,745		)	27,373
Income Tax Expense	1,598			3,520			705			(4,225		)	1,598
Net Earnings Including Noncontrolling Interest	25,775			11,137			11,383			(22,520		)	25,775
Net Earnings Attributable to Noncontrolling Interest	81			—			81			(81		)	81
Net Earnings Attributable to Tennant Company	$	25,694		$	11,137		$	11,302		$	(22,439	)	$	25,694

27

Condensed Consolidated Statement of Operations
For the three months ended September 30, 2017
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Sales	$	111,835		$	146,495		$	131,457		$	(127,866	)	$	261,921
Cost of Sales	76,974			120,523			88,411			(128,591		)	157,317
Gross Profit	34,861			25,972			43,046			725			104,604
Operating Expense:
Research and Development Expense	6,312			86			1,509			—			7,907
Selling and Administrative Expense	23,498			19,074			43,139			—			85,711
Total Operating Expense	29,810			19,160			44,648			—			93,618
Profit (Loss) from Operations	5,051			6,812			(1,602		)	725			10,986
Other Income (Expense):
Equity in Earnings of Affiliates	2,039			376			—			(2,415		)	—
Interest Expense, Net	(5,275		)	—			(111		)	(9		)	(5,395		)
Intercompany Interest Income (Expense)	3,774			(1,455		)	(2,319		)	—			—
Net Foreign Currency Transaction Gains (Losses)	357			2			(1,201		)	—			(842		)
Other (Expense) Income, Net	(1,619		)	(204		)	1,424			(23		)	(422		)
Total Other Expense, Net	(724		)	(1,281		)	(2,207		)	(2,447		)	(6,659		)
Profit (Loss) Before Income Taxes	4,327			5,531			(3,809		)	(1,722		)	4,327
Income Tax Expense	731			2,034			2,819			(4,853		)	731
Net Earnings (Loss) Including Noncontrolling Interest	3,596			3,497			(6,628		)	3,131			3,596
Net Earnings Attributable to Noncontrolling Interest	37			—			37			(37		)	37
Net Earnings (Loss) Attributable to Tennant Company	$	3,559		$	3,497		$	(6,665	)	$	3,168		$	3,559

28

Condensed Consolidated Statement of Operations
For the nine months ended September 30, 2017
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Sales	$	337,034		$	442,090		$	331,491		$	(386,844	)	$	723,771
Cost of Sales	230,753			363,034			228,838			(387,748		)	434,877
Gross Profit	106,281			79,056			102,653			904			288,894
Operating Expense:
Research and Development Expense	20,838			245			3,156			—			24,239
Selling and Administrative Expense	85,697			58,881			102,415			—			246,993
Total Operating Expense	106,535			59,126			105,571			—			271,232
(Loss) Profit from Operations	(254		)	19,930			(2,918		)	904			17,662
Other Income (Expense):
Equity in Earnings of Affiliates	7,493			1,500			—			(8,993		)	—
Interest Expense, Net	(16,866		)	—			(257		)	(22		)	(17,145		)
Intercompany Interest Income (Expense)	8,742			(4,323		)	(4,419		)	—			—
Net Foreign Currency Transaction Gains (Losses)	553			—			(2,928		)	—			(2,375		)
Other (Expense) Income, Net	(2,300		)	(430		)	2,014			(58		)	(774		)
Total Other Expense, Net	(2,378		)	(3,253		)	(5,590		)	(9,073		)	(20,294		)
(Loss) Profit Before Income Taxes	(2,632		)	16,677			(8,508		)	(8,169		)	(2,632		)
Income Tax Expense	385			5,993			5,481			(11,474		)	385
Net (Loss) Earnings Including Noncontrolling Interest	(3,017		)	10,684			(13,989		)	3,305			(3,017		)
Net Loss Attributable to Noncontrolling Interest	(28		)	—			(28		)	28			(28		)
Net (Loss) Earnings Attributable to Tennant Company	$	(2,989	)	$	10,684		$	(13,961	)	$	3,277		$	(2,989	)

29

Condensed Consolidated Statement of Comprehensive Income
For the three months ended September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries		Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Earnings Including Noncontrolling Interest	$	9,709		$	3,911	$	1,605		$	(5,516	)	$	9,709
Other Comprehensive Loss:
Foreign currency translation adjustments	(3,110		)	228		(3,664		)	3,436			(3,110		)
Pension and retiree medical benefits	12			—		—			—			12
Cash flow hedge	(28		)	—		—			—			(28		)
Income Taxes:
Foreign currency translation adjustments	280			—		280			(280		)	280
Pension and retiree medical benefits	(2		)	—		—			—			(2		)
Cash flow hedge	6			—		—			—			6
Total Other Comprehensive Loss, net of tax	(2,842		)	228		(3,384		)	3,156			(2,842		)
Total Comprehensive Income (Loss) Including Noncontrolling Interest	6,867			4,139		(1,779		)	(2,360		)	6,867
Comprehensive Income Attributable to Noncontrolling Interest	33			—		33			(33		)	33
Comprehensive Income (Loss) Attributable to Tennant Company	$	6,834		$	4,139	$	(1,812	)	$	(2,327	)	$	6,834

Condensed Consolidated Statement of Comprehensive Income
For the nine months ended September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Earnings Including Noncontrolling Interest	$	25,775		$	11,137		$	11,383		$	(22,520	)	$	25,775
Other Comprehensive Loss:
Foreign currency translation adjustments	(14,202		)	(262		)	(20,103		)	20,365			(14,202		)
Pension and retiree medical benefits	105			—			19			(19		)	105
Cash flow hedge	(1,367		)	—			—			—			(1,367		)
Income Taxes:
Foreign currency translation adjustments	524			—			524			(524		)	524
Pension and retiree medical benefits	(156		)	—			—			—			(156		)
Cash flow hedge	(814		)	—			—			—			(814		)
Total Other Comprehensive Loss, net of tax	(15,910		)	(262		)	(19,560		)	19,822			(15,910		)
Total Comprehensive Income (Loss) Including Noncontrolling Interest	9,865			10,875			(8,177		)	(2,698		)	9,865
Comprehensive Income Attributable to Noncontrolling Interest	81			—			81			(81		)	81
Comprehensive Income (Loss) Attributable to Tennant Company	$	9,784		$	10,875		$	(8,258	)	$	(2,617	)	$	9,784

30

Condensed Consolidated Statement of Comprehensive Income
For the three months ended September 30, 2017
(in thousands)	Parent			Guarantor Subsidiaries		Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Earnings (Loss) Including Noncontrolling Interest	$	3,596		$	3,497	$	(6,628	)	$	3,131		$	3,596
Other Comprehensive Income (Loss):
Foreign currency translation adjustments	9,033			289		9,221			(9,510		)	9,033
Pension and retiree medical benefits	379			—		10			(10		)	379
Cash flow hedge	(1,732		)	—		—			—			(1,732		)
Income Taxes:
Foreign currency translation adjustments	—			—		—			—			—
Pension and retiree medical benefits	(138		)	—		—			—			(138		)
Cash flow hedge	646			—		—			—			646
Total Other Comprehensive Income, net of tax	8,188			289		9,231			(9,520		)	8,188
Total Comprehensive Income Including Noncontrolling Interest	11,784			3,786		2,603			(6,389		)	11,784
Comprehensive Income Attributable to Noncontrolling Interest	37			—		37			(37		)	37
Comprehensive Income Attributable to Tennant Company	$	11,747		$	3,786	$	2,566		$	(6,352	)	$	11,747

Condensed Consolidated Statement of Comprehensive Income
For the nine months ended September 30, 2017
(in thousands)	Parent			Guarantor Subsidiaries		Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net (Loss) Earnings Including Noncontrolling Interest	$	(3,017	)	$	10,684	$	(13,989	)	$	3,305		$	(3,017	)
Other Comprehensive Income (Loss):
Foreign currency translation adjustments	25,073			693		1,330			(2,023		)	25,073
Pension and retiree medical benefits	541			—		151			(151		)	541
Cash flow hedge	(6,311		)	—		—			—			(6,311		)
Income Taxes:
Foreign currency translation adjustments	—			—		—			—			—
Pension and retiree medical benefits	(160		)	—		(15		)	15			(160		)
Cash flow hedge	2,354			—		—			—			2,354
Total Other Comprehensive Income, net of tax	21,497			693		1,466			(2,159		)	21,497
Total Comprehensive Income (Loss) Including Noncontrolling Interest	18,480			11,377		(12,523		)	1,146			18,480
Comprehensive (Loss) Income Attributable to Noncontrolling Interest	(28		)	—		(28		)	28			(28		)
Comprehensive Income (Loss) Attributable to Tennant Company	$	18,508		$	11,377	$	(12,495	)	$	1,118		$	18,508

31

Condensed Consolidated Balance Sheet
As of September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
ASSETS
Current Assets:
Cash and Cash Equivalents	$	18,082		$	668		$	34,723		$	—		$	53,473
Restricted Cash	—			—			534			—			534
Net Receivables	494			93,464			114,161			—			208,119
Intercompany Receivables	31,488			142,708			—			(174,196		)	—
Inventories	35,858			15,118			99,220			(10,403		)	139,793
Prepaid Expenses	17,673			705			9,978			—			28,356
Other Current Assets	4,691			340			3,834			—			8,865
Total Current Assets	108,286			253,003			262,450			(184,599		)	439,140
Property, Plant and Equipment	228,237			12,533			140,673			—			381,443
Accumulated Depreciation	(156,476		)	(6,459		)	(54,690		)	—			(217,625		)
Property, Plant and Equipment, Net	71,761			6,074			85,983			—			163,818
Deferred Income Taxes	3,127			3,078			8,857			—			15,062
Investment in Affiliates	403,903			12,133			18,487			(434,523		)	—
Intercompany Loans	303,670			—			3,997			(307,667		)	—
Goodwill	12,870			1,726			170,023			—			184,619
Intangible Assets, Net	4,210			2,738			146,026			—			152,974
Other Assets	6,057			—			8,896			—			14,953
Total Assets	$	913,884		$	278,752		$	704,719		$	(926,789	)	$	970,566
LIABILITIES AND TOTAL EQUITY
Current Liabilities:
Current Portion of Long-Term Debt	$	29,705		$	—		$	1,294		$	—		$	30,999
Accounts Payable	34,447			6,727			49,604			—			90,778
Intercompany Payables	143,095			—			31,101			(174,196		)	—
Employee Compensation and Benefits	10,588			12,873			18,696			—			42,157
Income Taxes Payable	469			—			2,801			(298		)	2,972
Other Current Liabilities	28,216			14,348			28,980			298			71,842
Total Current Liabilities	246,520			33,948			132,476			(174,196		)	238,748
Long-Term Liabilities:
Long-Term Debt	315,277			—			1,660			—			316,937
Intercompany Loans	3,997			128,000			175,670			(307,667		)	—
Employee-Related Benefits	11,519			1,916			8,393			—			21,828
Deferred Income Taxes	—			—			48,491			—			48,491
Other Liabilities	27,488			3,336			4,655			—			35,479
Total Long-Term Liabilities	358,281			133,252			238,869			(307,667		)	422,735
Total Liabilities	604,801			167,200			371,345			(481,863		)	661,483
Equity:
Common Stock	6,796			—			11,131			(11,131		)	6,796
Additional Paid-In Capital	26,087			77,551			388,216			(465,767		)	26,087
Retained Earnings	312,539			34,932			(9,916		)	(25,016		)	312,539
Accumulated Other Comprehensive Loss	(38,233		)	(931		)	(57,951		)	58,882			(38,233		)
Total Tennant Company Shareholders' Equity	307,189			111,552			331,480			(443,032		)	307,189
Noncontrolling Interest	1,894			—			1,894			(1,894		)	1,894
Total Equity	309,083			111,552			333,374			(444,926		)	309,083
Total Liabilities and Total Equity	$	913,884		$	278,752		$	704,719		$	(926,789	)	$	970,566

32

Condensed Consolidated Balance Sheet
As of December 31, 2017
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
ASSETS
Current Assets:
Cash and Cash Equivalents	$	18,469		$	507		$	39,422		$	—		$	58,398
Restricted Cash	—			—			653			—			653
Net Receivables	683			88,629			120,204			—			209,516
Intercompany Receivables	53,444			133,778			—			(187,222		)	—
Inventories	29,450			12,695			94,542			(8,993		)	127,694
Prepaid Expenses	8,774			1,172			9,405			—			19,351
Other Current Assets	4,030			—			3,473			—			7,503
Total Current Assets	114,850			236,781			267,699			(196,215		)	423,115
Property, Plant and Equipment	225,064			12,155			145,549			—			382,768
Accumulated Depreciation	(146,320		)	(6,333		)	(50,097		)	—			(202,750		)
Property, Plant and Equipment, Net	78,744			5,822			95,452			—			180,018
Deferred Income Taxes	1,308			2,669			7,157			—			11,134
Investment in Affiliates	392,486			11,273			20,811			(424,570		)	—
Intercompany Loans	304,822			—			4,983			(309,805		)	—
Goodwill	12,869			1,739			171,436			—			186,044
Intangible Assets, Net	2,105			2,898			167,344			—			172,347
Other Assets	10,363			—			10,956			—			21,319
Total Assets	$	917,547		$	261,182		$	745,838		$	(930,590	)	$	993,977
LIABILITIES AND TOTAL EQUITY
Current Liabilities:
Current Portion of Long-Term Debt	$	29,413		$	—		$	1,470		$	—		$	30,883
Accounts Payable	39,927			3,018			53,137			—			96,082
Intercompany Payables	133,778			1,963			51,481			(187,222		)	—
Employee Compensation and Benefits	8,311			10,355			18,591			—			37,257
Income Taxes Payable	366			—			2,472			—			2,838
Other Current Liabilities	20,183			15,760			33,504			—			69,447
Total Current Liabilities	231,978			31,096			160,655			(187,222		)	236,507
Long-Term Liabilities:
Long-Term Debt	344,147			—			1,809			—			345,956
Intercompany Loans	—			128,000			181,805			(309,805		)	—
Employee-Related Benefits	11,160			3,992			8,715			—			23,867
Deferred Income Taxes	—			—			53,225			—			53,225
Other Liabilities	31,788			2,483			1,677			—			35,948
Total Long-Term Liabilities	387,095			134,475			247,231			(309,805		)	458,996
Total Liabilities	619,073			165,571			407,886			(497,027		)	695,503
Equity:
Common Stock	6,705			—			11,131			(11,131		)	6,705
Additional Paid-In Capital	15,089			72,483			384,460			(456,943		)	15,089
Retained Earnings	297,032			23,797			(21,219		)	(2,578		)	297,032
Accumulated Other Comprehensive Loss	(22,323		)	(669		)	(38,391		)	39,060			(22,323		)
Total Tennant Company Shareholders' Equity	296,503			95,611			335,981			(431,592		)	296,503
Noncontrolling Interest	1,971			—			1,971			(1,971		)	1,971
Total Equity	298,474			95,611			337,952			(433,563		)	298,474
Total Liabilities and Total Equity	$	917,547		$	261,182		$	745,838		$	(930,590	)	$	993,977

33

Condensed Consolidated Statement of Cash Flows
For the nine months ended September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
OPERATING ACTIVITIES
Net Cash Provided by (Used in) Operating Activities	$	43,661		$	219		$	(411	)	$	—		$	43,469
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	(4,505		)	(58		)	(8,205		)	—			(12,768		)
Proceeds from Disposals of Property, Plant and Equipment	20			—			88			—			108
Proceeds from Principal Payments Received on Long-Term Note Receivable	—			—			828			—			828
Proceeds from Sale of Business	—			—			4,000			—			4,000
Purchase of Intangible Assets	(2,500		)	—			(107		)	—			(2,607		)
Change in Investments in Subsidiaries	(1,817		)	—			—			1,817			—
Loan Payments from Subsidiaries	1,218			—			—			(1,218		)	—
Loan Payments from Parent	—			—			986			(986		)	—
Net Cash Used in Investing Activities	(7,584		)	(58		)	(2,410		)	(387		)	(10,439		)
FINANCING ACTIVITIES
Payments of Long-Term Debt	(30,000		)	—			(216		)	—			(30,216		)
Change in Capital Lease Obligations	—			—			7			—			7
Change in Subsidiary Equity	—			—			1,817			(1,817		)	—
Loan Payments to Parent	—			—			(1,218		)	1,218			—
Loan Payments to Subsidiaries	(986		)	—			—			986			—
Proceeds from Issuances of Common Stock	5,735			—			—			—			5,735
Dividends Paid	(11,356		)	—			—			—			(11,356		)
Net Cash (Used in) Provided by Financing Activities	(36,607		)	—			390			387			(35,830		)
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	143			—			(2,387		)	—			(2,244		)
Net (Decrease) Increase in Cash, Cash Equivalents and Restricted Cash	(387		)	161			(4,818		)	—			(5,044		)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	18,469			507			40,075			—			59,051
Cash, Cash Equivalents and Restricted Cash at End of Period	$	18,082		$	668		$	35,257		$	—		$	54,007

34

Condensed Consolidated Statement of Cash Flows
For the nine months ended September 30, 2017
(in thousands)	Parent			Guarantor Subsidiaries		Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
OPERATING ACTIVITIES
Net Cash (Used in) Provided by Operating Activities	$	(555	)	$	798	$	31,880		$	—		$	32,123
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	(7,400		)	—		(8,839		)	—			(16,239		)
Proceeds from Disposals of Property, Plant and Equipment	17			—		2,439			—			2,456
Proceeds from Principal Payments Received on Long-Term Note Receivable	—			—		500			—			500
Issuance of Long-Term Note Receivable	—			—		(1,500		)	—			(1,500		)
Acquisition of Businesses, Net of Cash Acquired	(304		)	—		(353,231		)	—			(353,535		)
Purchase of Intangible Asset	(2,500		)	—		—			—			(2,500		)
Change in Investments in Subsidiaries	(193,639		)	—		—			193,639			—
Loan (Payments) Borrowings from Subsidiaries	(159,780		)	—		—			159,780			—
Net Cash Used in Investing Activities	(363,606		)	—		(360,631		)	353,419			(370,818		)
FINANCING ACTIVITIES
Proceeds from Short-Term Debt	300,000			—		—			—			300,000
Repayments of Short-Term Debt	(300,000		)	—		—			—			(300,000		)
Loan Borrowings (Payments) from Parent	—			—		159,780			(159,780		)	—
Change in Subsidiary Equity	—			—		193,639			(193,639		)	—
Proceeds from Issuance of Long-Term Debt	440,000			—		—			—			440,000
Payments of Long-Term Debt	(81,143		)	—		(119		)	—			(81,262		)
Payments of Debt Issuance Costs	(16,465		)	—		—			—			(16,465		)
Proceeds from Issuance of Common Stock	4,728			—		—			—			4,728
Dividends Paid	(11,204		)	—		—			—			(11,204		)
Net Cash Provided by Financing Activities	335,916			—		353,300			(353,419		)	335,797
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	(68		)	—		1,655			—			1,587
Net (Decrease) Increase in Cash, Cash Equivalents and Restricted Cash	(28,313		)	798		26,204			—			(1,311		)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	38,484			226		19,840			—			58,550
Cash, Cash Equivalents and Restricted Cash at End of Period	$	10,171		$	1,024	$	46,044		$	—		$	57,239

35

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

Overview

Tennant Company is a world leader in designing, manufacturing and marketing solutions that empower customers to achieve quality cleaning performance, reduce environmental impact and help create a cleaner, safer, healthier world. Tennant is committed to creating and commercializing breakthrough, sustainable cleaning innovations to enhance its broad suite of products, including floor maintenance and outdoor cleaning equipment, detergent-free and other sustainable cleaning technologies, aftermarket parts and consumables, equipment maintenance and repair service, specialty surface coatings and asset management solutions. Tennant products are used in many types of environments, including retail establishments, distribution centers, factories and warehouses, public venues such as arenas and stadiums, office buildings, schools and universities, hospitals and clinics, parking lots and streets, and more. Customers include contract cleaners to whom organizations outsource facilities maintenance, as well as businesses that perform facilities maintenance themselves. The company reaches these customers through the industry's largest direct sales and service organization and through a strong and well-supported network of authorized distributors worldwide.

Historical Results

The following table compares the historical results of operations for the three and nine months ended September 30, 2018 and 2017, respectively, and as a percentage of Net Sales (in thousands, except per share data and percentages):

	Three Months Ended										Nine Months Ended
	September 30										September 30
	2018			%		2017			%		2018			%		2017			%
Net Sales	$	273,255		100.0		$	261,921		100.0		$	838,299		100.0		$	723,771		100.0
Cost of Sales	165,170			60.4		157,317			60.1		500,778			59.7		434,877			60.1
Gross Profit	108,085			39.6		104,604			39.9		337,521			40.3		288,894			39.9
Operating Expense:
Research and Development Expense	7,506			2.7		7,907			3.0		23,408			2.8		24,239			3.3
Selling and Administrative Expense	85,140			31.2		85,711			32.7		269,273			32.1		246,993			34.1
Total Operating Expense	92,646			33.9		93,618			35.7		292,681			34.9		271,232			37.5
Profit from Operations	15,439			5.7		10,986			4.2		44,840			5.3		17,662			2.4
Other Income (Expense):
Interest Income	839			0.3		698			0.3		2,540			0.3		1,575			0.2
Interest Expense	(5,986		)	(2.2	)	(6,093		)	(2.3	)	(17,736		)	(2.1	)	(18,720		)	(2.6	)
Net Foreign Currency Transaction Losses	(295		)	(0.1	)	(842		)	(0.3	)	(1,381		)	(0.2	)	(2,375		)	(0.3	)
Other Expense, Net	(130		)	—		(422		)	(0.2	)	(890		)	(0.1	)	(774		)	(0.1	)
Total Other Expense, Net	(5,572		)	(2.0	)	(6,659		)	(2.5	)	(17,467		)	(2.1	)	(20,294		)	(2.8	)
Profit (Loss) Before Income Taxes	9,867			3.6		4,327			1.7		27,373			3.3		(2,632		)	(0.4	)
Income Tax Expense	158			0.1		731			0.3		1,598			0.2		385			0.1
Net Earnings (Loss) Including Noncontrolling Interest	9,709			3.6		3,596			1.4		25,775			3.1		(3,017		)	(0.4	)
Net Earnings (Loss) Attributable to Noncontrolling Interest	33			—		37			—		81			—		(28		)	—
Net Earnings (Loss) Attributable to Tennant Company	$	9,676		3.5		$	3,559		1.4		$	25,694		3.1		$	(2,989	)	(0.4	)
Net Earnings (Loss) Attributable to Tennant Company per Share - Diluted	$	0.52				$	0.20				$	1.40				$	(0.17	)

36

Net Sales

Consolidated Net Sales for the third quarter of 2018 totaled $273.3 million, a 4.3% increase as compared to consolidated Net Sales of $261.9 million in the third quarter of 2017. Consolidated Net Sales for the first nine months of 2018 totaled $838.3 million, a 15.8% increase as compared to consolidated Net Sales of $723.8 million for the first nine months of 2017.

The components of the consolidated Net Sales change for the three and nine months ended September 30, 2018 as compared to the same periods in 2017 were as follows:

	2018 v. 2017
	Three Months Ended	Nine Months Ended
	September 30	September 30
Organic Growth:
Volume	4.6%	4.3%
Price	1.5%	1.6%
Organic Growth	6.1%	5.9%
Foreign Currency	(1.7%)	1.2%
Acquisitions and Divestitures	(0.1%)	8.7%
Total	4.3%	15.8%

The 4.3% increase in consolidated Net Sales in the third quarter of 2018 as compared to the same period in 2017 was driven by:

• An organic sales increase of approximately 6.1%, which excludes the effects of foreign currency exchange and acquisitions and divestitures, resulting from an approximate 4.6% volume increase and a 1.5% price increase. The volume increase was primarily due to volume increases in our Americas strategic account and distribution channels, along with continued growth in our service and parts and consumables businesses, in addition to higher sales volumes in the APAC region led by industrial product growth in China. These sales increases were partially offset by lower sales in the EMEA region, due to a higher comparable sales growth in the third quarter of 2017. The price increase was the result of selling price increases, which averaged 3% in most geographies, with an effective date of February 1, 2018. We expect the increase in selling prices to increase Net Sales in the range of 1% to 2% for the 2018 full year. The impact to gross margin is estimated to be minimal as these selling price increases were taken to offset inflation.

• An unfavorable impact from foreign currency exchange of approximately (1.7%).

The 15.8% increase in consolidated Net Sales in the first nine months of 2018 as compared to the same period in 2017 was driven by:

• 8.7% from the second quarter 2017 acquisition of the IPC Group.

• An organic sales increase of approximately 5.9%, which excludes the effects of foreign currency exchange and acquisitions and divestitures, resulting from an approximate 4.3% volume increase and a 1.6% price increase. The volume increase was primarily due to increased sales of commercial equipment in the Americas and industrial equipment in APAC, mostly attributed to strong sales through strategic accounts in these regions. The price increase was the result of selling price increases, which averaged 3% in most geographies, with an effective date of February 1, 2018. We expect the increase in selling prices to increase Net Sales in the range of 1% to 2% for the 2018 full year. The impact to gross margin is estimated to be minimal as these selling price increases were taken to offset inflation.

• A favorable impact from foreign currency exchange of approximately 1.2%.

The following table sets forth the Net Sales by geographic area for the three and nine months ended September 30, 2018 and 2017 and the percentage change from the prior year (in thousands, except percentages):

	Three Months Ended					Nine Months Ended
	September 30					September 30
	2018		2017		%	2018		2017		%
Americas	$	175,341	$	161,037	8.9	$	516,731	$	472,953	9.3
Europe, Middle East and Africa	74,254		78,851		(5.8)	250,480		189,483		32.2
Asia Pacific	23,660		22,033		7.4	71,088		61,335		15.9
Total	$	273,255	$	261,921	4.3	$	838,299	$	723,771	15.8

37

Americas

Net Sales in the Americas were $175.3 million for the third quarter of 2018, an increase of 8.9% from the third quarter of 2017. An unfavorable direct impact of foreign currency translation exchange effects within the Americas impacted Net Sales by approximately 1.6% in the third quarter of 2018. As a result, organic sales growth in the Americas favorably impacted Net Sales by approximately 10.6% due to strong equipment sales in North America resulting from increased sales to the strategic account and distribution channels and increased parts and service sales, primarily a result of improved productivity in our service organization and continued broad-based strength in Brazil.

Net Sales in the Americas were$516.7 millionfor the firstninemonths of2018, an increase of 9.3% from the firstninemonths of2017. The direct impact of the second quarter 2017 acquisition of the IPC Group favorably impacted Net Sales by approximately 1.6%. Inaddition, an unfavorable impact of foreign currency translation exchange effects within the Americas impacted Net Sales by approximately 0.5% in the firstninemonths of2018. As a result, organic sales growth in the Americas favorably impacted Net Sales by approximately 8.2% due to strong equipment sales in North America resulting from increased sales to all sales channels and broad based sales growth in Brazil. The Americas also experienced increased parts and service sales in the first nine months of 2018, primarily a result of improved productivity in our service organization.

Europe, Middle East and Africa

EMEA Net Sales were $74.3 million for the third quarter of 2018, a decrease of 5.8% from the third quarter of 2017. An unfavorable impact of foreign currency translation exchange effects within EMEA impacted Net Sales by approximately 1.3% in the third quarter of 2018. Organic sales declines in EMEA unfavorably impacted Net Sales by approximately 4.5% due to sales declines in the France and Italian markets due to a challenging comparable sales performance from the third quarter of 2017. Net Sales declines for the third quarter of 2018 were partially offset by sales growth in the UK.

EMEA Net Sales were $250.5 million for the firstninemonths of2018, an increase of 32.2% from the firstninemonths of2017.The direct impact of the second quarter 2017 acquisition of the IPC Group favorably impacted Net Sales by approximately 26.3%. In addition, a favorable impact of foreign currency translation exchange effects within EMEA impacted Net Sales by approximately 5.9% in the firstninemonths of2018. As a result, organic sales growth in EMEA was essentially flat.

Asia Pacific

APAC Net Sales were $23.7 million for the third quarter of 2018, an increase of 7.4% from the third quarter of 2017. An unfavorable direct impact of foreign currency translation exchange effects within APAC impacted Net Sales by approximately 3.2% in the third quarter of 2018. As a result, organic sales growth in APAC favorably impacted Net Sales by approximately 10.6% primarily due to sales growth in China across all products and channels partially offset by declines in other parts of the region.

APAC Net Sales were $71.1 million for the firstninemonths of2018, an increase of 15.9% from the firstninemonths of2017. The direct impact of the second quarter 2017 acquisition of the IPC Group favorably impacted Net Sales by approximately 9.1%. In addition, a favorable direct impact of foreign currency translation exchange effects within APAC impacted Net Sales by approximately 0.8% in the firstninemonths of2018. As a result, organic sales growth in APAC favorably impacted Net Sales by approximately 6.0% due to sales growth in Australia and China from strong industrial product sales through the direct and strategic account channels.

Gross Profit

Gross Profit margin of 39.6% was 30 basis points lower in the third quarter of 2018 compared to the third quarter of 2017. Gross Profit margin was unfavorably impacted by robust strategic account sales impacting our mix and manufacturing productivity issues associated with raw material and labor shortages as well as higher freight and logistics costs and newly enacted tariffs. The unfavorable Gross Profit Margin impacts were partially offset by improved operational performance in both manufacturing and service resulting from our operational effectiveness strategies as well as favorable pricing in North America and EMEA. In addition, Gross Profit margin was favorably impacted by a $2.2 million, or approximately 85 basis points, fair value inventory step-up flow through related to our acquisition of the IPC Group in the third quarter of 2017 that did not repeat in the third quarter of 2018.

Gross Profit margin of 40.3% was 40 basis points higher in the firstninemonths of2018 compared to the firstninemonths of2017. Gross Profit margin was unfavorably impacted by robust strategic account sales impacting our mix, manufacturing productivity issues associated with raw material and labor shortages and an inventory write down related to our Coatings business. The unfavorable Gross Profit margin impacts were partially offset by improved operational performance in both manufacturing and service.In addition, Gross Profit margin was favorably impacted by an $8.4 million, or approximately 120 basis points, fair value inventory step-up flow through related to our acquisition of the IPC Group in firstninemonths of2017 that did not repeat in the firstninemonths of2018.

38

We expect the full year Gross Profit margin to be approximately 40.5% of net sales.

Operating Expense

Research & Development Expense

We continue to invest in developing innovative products and technologies and the advancement of detergent-free products, fleet management and other sustainable technologies. New products and product variants launched in the firstninemonths of2018 included the T600 series of scrubbers. In the fourth quarter of 2018, we plan to introduce our first autonomous floor care machine.

Research and Development ("R&D") Expense was $7.5 million, or 2.7% as a percentage of Net Sales, for the third quarter of 2018, a decrease of 30 basis points compared to the third quarter of 2017. R&D Expense was $23.4 million, or 2.8% as a percentage of Net Sales, for the firstninemonths of2018, a decrease of 50 basis points compared to the firstninemonths of2017.

The decrease in R&D as a percentage of sales reflects the impact of 2018 higher revenue and the timing of anticipated project spend in 2018, including investment in our strategic relationship with Brain Corp., to accelerate development of our autonomous floor cleaning technology. We continue to invest in R&D at levels necessary to propel our clear technology leadership position. We expect the full year spending for R&D to be approximately 3.0% of net sales.

Selling & Administrative Expense

Selling and Administrative Expense ("S&A Expense") was $85.1 million, a decrease of $0.6 million, or 0.7%, compared to the third quarter of 2017. As a percentage of Net Sales, S&A Expense for the third quarter of 2018 decreased 150 basis points to 31.2% from 32.7% in the third quarter of 2017.

For the third quarter of 2018, S&A Expense was impacted by $1.9 million, or 70 basis points, lower amortization expense related to the acquisition of the IPC Group compared to the third quarter of 2017 and a gain of approximately $1 million, or 35 basis points, related to the sale of our Waterstar business recorded in the third quarter of 2018. Partially offsetting this favorability was $0.6 million, or 25 basis points, higher acquisition and integration costs, as well as $0.2 million, or 10 basis points, for non-operational professional service fees recorded in the third quarter of 2018.

Excluding these items, S&A Expense as a percentage of Net Sales for the third quarter of 2018 was 80 basis points lower compared to the same period in the prior year, primarily due to our continued balance of disciplined spending control with investments in key growth initiatives.

S&A Expense for the firstninemonths of2018 increased by $22.3 million, or 9.0%, compared to the firstninemonths of2017. As a percentage of Net Sales, S&A Expense for the firstninemonths of2018 decreased 200 basis points to 32.1% from 34.1% in the firstninemonths of2017.

For the first nine months of 2018, S&A Expense was impacted by an $8.0 million restructuring charge, or approximately 100 basis points, recorded in the third quarter of 2017 that did not repeat in the first nine months of 2018, a decrease of $3.1 million, or 40 basis points, in acquisition and integration costs, as well as a gain of approximately $1 million, or 10 basis points, related to the sale of our Waterstar business recorded in the third quarter of 2018. Partially offsetting this favorability was $6.0 million, or 70 basis points, higher amortization expense related to the acquisition of the IPC Group compared to the first nine months of 2017, and $1.8 million, or 20 basis points, for non-operational professional service fees recorded in the third quarter of 2018.

Excluding these costs, S&A Expense as a percentage of Net Sales was 140 basis points lower in the firstninemonths of2018 compared to the firstninemonths of2017 due primarily to our continued balance of disciplined spending control with investments in key growth initiatives.

Total Other Expense, Net

Interest Income

Interest Income was $0.8 million in the third quarter of 2018, relatively flat compared to Interest Income of $0.7 million in the third quarter of 2017. For the firstninemonths of2018, Interest Income was $2.5 million compared to Interest Income of $1.6 million in the firstninemonths of2017. The increase in Interest Income was primarily due to interest income related to foreign currency swap activities.

39

Interest Expense

Interest Expense was $6.0 million in the third quarter of 2018 compared to Interest Expense of $6.1 million in the third quarter of 2017. For the firstninemonths of2018, Interest Expense was $17.7 million compared to Interest Expense of $18.7 million in the firstninemonths of2017. The lower Interest Expense in the third quarter and firstninemonths of2018 compared to the same periods in 2017 was primarily due to carrying a lower level of debt on our Condensed Consolidated Balance Sheets throughout the firstninemonths of2018 compared to the same period in 2017, partially offset by higher debt issuance charges from paying down debt balances faster than contractually required.

Net Foreign Currency Transaction Losses

Net Foreign Currency Transaction Losses in the third quarter of 2018 were $0.3 million compared to Net Foreign Currency Transaction Losses of $0.8 million in the third quarter of 2017. For the firstninemonths of2018, Net Foreign Currency Transaction Losses were $1.4 million compared to Net Foreign Currency Transaction Losses of $2.4 million in the firstninemonths of2017. The favorable change in the impact from foreign currency transactions in the firstninemonths of2018 was primarily due to a $1.1 million mark-to-market adjustment of a foreign exchange call option held in connection with our acquisition of IPC Group in April 2017 that did not repeat in 2018.

Other Expense, Net

Other Expense, Net was $0.1 million and $0.9 million in the third quarter and firstninemonths of2018, respectively, relatively flat compared to the same periods in 2017.

Income Taxes

The effective tax rate in the third quarter of 2018 was 1.6% compared to the effective tax rate in the third quarter of the prior year of 16.9%.

The tax expense for the third quarter of 2018 included a $0.3 million tax benefit associated with $1.5 million of acquisition and integration related costs associated with our acquisition of the IPC Group, a $0.1 million tax benefit associated with $0.2 million of costs related to non-operational professional service fees and a $0.2 million tax expense associated with a $1.0 million gain on the sale of Waterstar. These special items impacted the third quarter 2018 effective tax rate by (4.0%).

The effective tax rate in the third quarter of 2017 was 16.9%. The tax expense for the third quarter of 2017 included a $0.6 million tax benefit associated with $2.2 million of expense related to inventory step-up amortization and a $0.3 million tax benefit associated with $0.9 million of acquisition costs related to the IPC Group acquisition. These special items impacted the third quarter 2017 effective tax rate by (4.8%).

Excluding these special items, the rate decreased due primarily to the mix in expected full year taxable earnings by country, discrete tax expense benefit related to exercised stock options, a favorable tax ruling with the Italian tax authorities in connection with the acquisition of IPC Group, the reduction in our estimated transition tax liability and the reduction in the U.S. federal income tax rate in the Tax Act.

The year-to-date overall effective tax rate was 5.8% for 2018 compared to (14.6%) for 2017. The 2018 special items impacted the year-to-date overall effective tax rate by (4.1%). The 2017 special items impacted the year-to-date overall effective tax rate by (41.5%).

Excluding these special items, the rate decreased due primarily to the mix in expected full year taxable earnings by country, discrete tax expense benefit related to the exercise of soon-to-expire stock options, a favorable tax ruling from the Italian tax authorities related to the deductibility of interest expense in Italy, the reduction in our estimated transition tax liability and the reduction in the U.S. federal income tax rate in the Tax Act.

In general, it is our practice and intention to permanently reinvest the earnings of our foreign subsidiaries and repatriate earnings only when the tax impact is zero or immaterial and that position has not changed following incurring the transition tax under the Tax Act. No deferred taxes have been provided for withholding taxes or other taxes that would result upon repatriation of our foreign investments to the United States.

Liquidity and Capital Resources

Liquidity

Cash and Cash Equivalents totaled $53.5 million at September 30, 2018, as compared to $58.4 million as of December 31, 2017. Wherever possible, cash management is centralized and intercompany financing is used to provide working capital to subsidiaries as needed. Our current ratio was 1.8 as of September 30, 2018 and December 31, 2017, and our working capital was $200.4 million and $186.6 million, respectively. Our debt-to-capital ratio was 53.1% as of September 30, 2018, compared to 56.0% as of December 31, 2017.

40

Cash Flow From Operating Activities

Operating Activities provided $43.5 million of cash for the nine months ended September 30, 2018. Cash provided byoperating activities was driven primarily by cash inflows from net earnings adding back non-cash items and a $5.2million increase in Employee Compensation and Benefits liabilities. These cash inflows were offset by cash outflows resulting from an increase in Inventories of $19.6 million to support future sales growth.

Operating Activities provided $32.1 million of cash for the nine months ended September 30, 2017. Cash provided by operating activities was driven primarily by cash inflows from net earnings adding back non-cash items and an increase in Accounts Payable of $5.7 million resulting from timing of payments. These cash inflows were partially offset by cash outflows due to an increase in Inventories of $9.9 million to support future sales growth and a decrease in Employee Compensation and Benefits of $9.5 million due topayment of accrued employee incentives.

Two metrics used by management to evaluate how effectively we utilize our net assets are "Accounts Receivable Days Sales Outstanding" ("DSO") and "Days Inventory on Hand" ("DIOH"), on a first-in, first-out ("FIFO") basis. The metrics are calculated on a rolling three month basis in order to more readily reflect changing trends in the business. These metrics as of September 30, 2018 and December 31, 2017 were as follows (in days):

	September 30, 2018	December 31, 2017
DSO	67	63
DIOH	101	96

As of September 30, 2018, DSO increased four days compared to December 31, 2017,primarily due to mix of business and payment terms offered, partially offset by the trend of continued proactive management of our receivables by enforcing tighter credit limits and continuing to successfully collect past due balances.

As of September 30, 2018, DIOH increased five days compared to December 31, 2017, primarily due increased levels of inventory in support of higher anticipated sales levels and launches of new productsoffset by progress from inventory reduction initiatives.

Cash Flow From Investing Activities

Investing activities during the nine months ended September 30, 2018 used $10.4 million. We used $12.8 million for net capital expenditures. Net capital expenditures included investments in information technology process improvement projects, tooling related to new product development and manufacturing equipment. We also used $2.6 million to purchase a technology license and other intangibles. In addition, we received $4 million in proceeds due to the sale of the Waterstar business.

Investing activities during the nine months ended September 30, 2017 used $370.8 million. We used $353.5 million in relation to our acquisition of the IPC Group and the final installment payment for the acquisition of the Florock brand. In addition, we used $16.2 million and $2.5 million for net capital expenditures and for the purchase of the distribution rights to sell the i-mop, respectively. Net capital expenditures included investments in information technology process improvement projects, tooling related to new product development and manufacturing equipment. We also used $1.5 million as a result of a loan to i-team North America B.V., a joint venture that operates as the distributor of the i-mop in North America.

Cash Flow From Financing Activities

Net cash used in financing activities was $35.8 million during the first nine months of 2018. Payments of Long-Term Debt used $30.2 million and dividend payments used $11.4 million, partially offset by proceeds from the issuance of Common Stock of $5.7 million.

Net cash provided by financing activities was $335.8 million during the first nine months of 2017. Proceeds from the incurrence of Long-Term Debt and the issuance of Common Stock provided $440.0 million and $4.7 million, respectively. These cash inflows were partially offset by cash outflows resulting from $81.3 million of Long-Term Debt payments, $16.5 million related to payments of debt issuance costs and dividend payments of $11.2 million.

41

Newly Issued Accounting Guidance

In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842). This ASU changes current U.S. GAAP for lessees to recognize lease assets and lease liabilities on the balance sheet for those leases classified as operating leases under previous U.S. GAAP. Under the new guidance, lessor accounting is largely unchanged. The amendments in this ASU are effective for annual periods beginning after December 15, 2018, including interim periods within that reporting period, which is our fiscal 2019. Early application is permitted. Lessees and lessors must apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. The transition approach would not require any transition accounting for leases that expired before the earliest comparative period presented. A full retrospective transition approach is prohibited for both lessees and lessors. We will adopt this ASU beginning in 2019. We are currently evaluating the impact of this amended guidance on our consolidated financial statements and related disclosures.

Cautionary Statement Relevant to Forward-Looking Information

This Form 10-Q, including “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Item 2, contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements generally can be identified by the use of forward-looking terminology such as “may,” “will,” “expect,” “intend,” “estimate,” “anticipate,” “believe,” “project,” or “continue” or similar words or the negative thereof. These statements do not relate to strictly historical or current facts and provide current expectations of forecasts of future events. Any such expectations or forecasts of future events are subject to a variety of factors. Particular risks and uncertainties presently facing us include: our ability to effectively manage organizational changes; our ability to attract, retain and develop key personnel and create effective succession planning strategies; the competition in our business; fluctuations in the cost, quality, or availability of raw materials and purchased components; our ability to successfully upgrade and evolve our information technology systems; our ability to develop and commercialize new innovative products and services; our ability to integrate acquisitions, including IPC; our ability to generate sufficient cash to satisfy our debt obligations; geopolitical and economic uncertainty throughout the world; our ability to successfully protect our information technology systems from cyber security risks; the occurrence of a significant business interruption; our ability to comply with laws and regulations; the potential disruption of our business from actions of activist investors or others; the relative strength of the U.S. dollar, which affects the cost of our materials and products purchased and sold internationally; unforeseen product liability claims or product quality issues; and our internal control over financial reporting risks resulting from our acquisition of the IPC Group. We caution that forward-looking statements must be considered carefully and that actual results may differ in material ways due to risks and uncertainties both known and unknown. Shareholders, potential investors and other readers are urged to consider these factors in evaluating forward-looking statements and are cautioned not to place undue reliance on such forward-looking statements. Additional information about factors that could materially affect our results can be found in Part I, Item 1A, Risk Factors in our annual report on Form 10-K for the year ended December 31, 2017 and Part II, Item 1A of this Form 10-Q.

We undertake no obligation to update or revise any forward-looking statement, whether as a result of new information, future events or otherwise, except as required by law. Investors are advised to consult any further disclosures by us in our filings with the SEC and in other written statements on related subjects. It is not possible to anticipate or foresee all risk factors, and investors should not consider any list of such factors to be an exhaustive or complete list of all risks or uncertainties.

Item 3. Quantitative and Qualitative Disclosures About Market Risk

There have been no material changes in our market risk since December 31, 2017. For additional information, refer to Item 7A of our 2017 annual report on Form 10-K for the year ended December 31, 2017.

Item 4. Controls and Procedures

Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and our Principal Financial and Accounting Officer, have evaluated the effectiveness of our disclosure controls and procedures as of September 30, 2018 (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934 (the “Exchange Act”)). Based on that evaluation, our Chief Executive Officer and our Principal Financial and Accounting Officer have concluded that our disclosure controls and procedures are effective to ensure that information required to be disclosed by us in reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in SEC rules and forms, and that such information is accumulated and communicated to our management, including our principal executive and our principal financial officers, as appropriate to allow timely decisions regarding required disclosure.

Changes in Internal Controls

There were no changes in our internal controls over financial reporting during the most recently completed fiscal quarter 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

There are no material pending legal proceedings other than ordinary routine litigation incidental to our business.

Item 1A. Risk Factors

We documented our risk factors in Item 1A of Part I of our annual report on Form 10-K for the fiscal year ended December 31, 2017. There have been no material changes to our risk factors since the filing of that report.

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

On October 31, 2016, the Board of Directors authorized the repurchase of an additional 1,000,000 shares of our common stock. This is in addition to the 392,892 shares remaining under our prior repurchase program. Share repurchases are made from time to time in the open market or through privately negotiated transactions, primarily to offset the dilutive effect of shares issued through our share-based compensation programs. As of September 30, 2018, our 2017 Credit Agreement restricts the payment of dividends or repurchasing of stock if, after giving effect to such payments and assuming no default exists or would result from such payment, our leverage ratio is greater than 2.50 to 1, in such case limiting such payments to an amount ranging from $50.0 million to $75.0 million during any fiscal year based on our leverage ratio after giving effect to such payment. Our Senior Notes due 2025 also contain certain restrictions, which are generally less restrictive than those contained in the 2017 Credit Agreement.

For the Quarter Ended September 30, 2018	Total Number of Shares Purchased(1)	Average Price Paid Per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number of Shares that May Yet Be Purchased Under the Plans or Programs
July 1 - 31, 2018	120	$	79.00	—	1,392,892
August 1 - 31, 2018	1,207	80.86		—	1,392,892
September 1 - 30, 2018	—	—		—	1,392,892
Total	1,327	$	80.69	—	1,392,892

⁽¹⁾  Includes 1,327 shares delivered or attested to in satisfaction of the exercise price and/or tax withholding obligations by employees who exercised stock options or restricted stock under employee share-based compensation plans.

43

Item 6. Exhibits

Item #	Description	Method of Filing
3i	Restated Articles of Incorporation	Incorporated by reference to Exhibit 3i to the Company’s report on Form 10-Q for the quarterly period ended June 30, 2006.
3ii	Amended and Restated By-Laws	Incorporated by reference to Exhibit 3iii to the Company’s Form 8-K dated December 14, 2010.
3iii	Articles of Amendment of Restated Articles of Incorporation of Tennant Company	Incorporated by reference to Exhibit 3iii to the Company's report on Form 10-Q for the quarterly period ended March 31, 2018.
4.1	Indenture dated as of April 18, 2017	Incorporated by reference to Exhibit 4.1 to the Company's Current Report on Form 8-K filed April 24, 2017.
10.1	Cash Incentive Plan	Incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed August 20, 2018.
31.1	Rule 13a-14(a)/15d-14(a) Certification of CEO	Filed herewith electronically.
31.2	Rule 13a-14(a)/15d-14(a) Certification of CFO	Filed herewith electronically.
32.1	Section 1350 Certification of CEO	Filed herewith electronically.
32.2	Section 1350 Certification of CFO	Filed herewith electronically.
101	The following financial information from Tennant Company's Quarterly Report on Form 10-Q for the period ended September 30, 2018, formatted in Extensible Business Reporting Language (XBRL): (i) Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2018 and 2017; (ii) Condensed Consolidated Statements of Comprehensive Income for the three and nine months ended September 30, 2018 and 2017; (iii) Condensed Consolidated Balance Sheets as of September 30, 2018 and December 31, 2017; (iv) Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2018 and 2017; and (v) Notes to the Condensed Consolidated Financial Statements.	Filed herewith electronically.

44

SIGNATURES

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

		TENNANT COMPANY
Date:	November 2, 2018	/s/ H. Chris Killingstad
		H. Chris Killingstad President and Chief Executive Officer
Date:	November 2, 2018	/s/ Thomas Paulson
		Thomas Paulson Senior Vice President and Chief Financial Officer (Principal Financial and Accounting Officer)

45

EX-31.1

Exhibit 31.1

CERTIFICATIONS

I, H. Chris Killingstad, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Tennant Company;

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 officers 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 officers 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:	November 2, 2018	/s/ H. Chris Killingstad
		H. Chris Killingstad President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATIONS

I, Thomas Paulson, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Tennant Company;

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 officers 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 officers 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:	November 2, 2018	/s/ Thomas Paulson
		Thomas Paulson Senior Vice President and Chief Financial Officer (Principal Financial and Accounting Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report of Tennant Company (the “Company”) on Form 10-Q for the period ended September 30, 2018 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, H. Chris Killingstad, President and Chief Executive Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, that:

(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 this periodic report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	November 2, 2018	/s/ H. Chris Killingstad
		H. Chris Killingstad
		President and Chief Executive Officer

EX-32.2

Exhibit 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report of Tennant Company (the “Company”) on Form 10-Q for the period ended September 30, 2018 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Thomas Paulson, Senior Vice President and Chief Financial Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, that:

(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 this periodic report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	November 2, 2018	/s/ Thomas Paulson
		Thomas Paulson
		Senior Vice President and Chief Financial Officer

XML

Document and Entity Information Document - shares	9 Months Ended
	Sep. 30, 2018	Oct. 19, 2018
Entity Information
Entity Registrant Name	Tennant Company
Entity Central Index Key	0000097134
Document Type	10-Q
Document Period End Date	Sep. 30, 2018
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		18,125,000
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q3
Amendment Flag	false

XML

Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net Sales	$ 273,255	$ 261,921	$ 838,299	$ 723,771
Cost of Sales	165,170	157,317	500,778	434,877
Gross Profit	108,085	104,604	337,521	288,894
Operating Expense:
Research and Development Expense	7,506	7,907	23,408	24,239
Selling and Administrative Expense	85,140	85,711	269,273	246,993
Total Operating Expense	92,646	93,618	292,681	271,232
Profit from Operations	15,439	10,986	44,840	17,662
Other Income (Expense):
Interest Income	839	698	2,540	1,575
Interest Expense	(5,986)	(6,093)	(17,736)	(18,720)
Net Foreign Currency Transaction Losses	(295)	(842)	(1,381)	(2,375)
Other Expense, Net	(130)	(422)	(890)	(774)
Total Other Expense, Net	(5,572)	(6,659)	(17,467)	(20,294)
Profit (Loss) Before Income Taxes	9,867	4,327	27,373	(2,632)
Income Tax Expense	158	731	1,598	385
Net Earnings (Loss) Including Noncontrolling Interest	9,709	3,596	25,775	(3,017)
Net Earnings (Loss) Attributable to Noncontrolling Interest	33	37	81	(28)
Net Earnings (Loss) Attributable to Tennant Company	$ 9,676	$ 3,559	$ 25,694	$ (2,989)
Net Earnings (Loss) Attributable to Tennant Company per Share:
Basic	$ 0.54	$ 0.20	$ 1.43	$ (0.17)
Diluted	$ 0.52	$ 0.20	$ 1.40	$ (0.17)
Weighted Average Shares Outstanding:
Basic	17,998,917	17,729,857	17,911,880	17,673,656
Diluted	18,439,621	18,171,444	18,344,813	17,673,656
Cash Dividend Declared per Common Share	$ 0.21	$ 0.21	$ 0.63	$ 0.63

XML

Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net Earnings (Loss) Including Noncontrolling Interest	$ 9,709	$ 3,596	$ 25,775	$ (3,017)
Other Comprehensive (Loss) Income:
Foreign currency translation adjustments	(3,110)	9,033	(14,202)	25,073
Pension and retiree medical benefits	12	379	105	541
Cash flow hedge	(28)	(1,732)	(1,367)	(6,311)
Income Taxes:
Foreign currency translation adjustments	280	0	524	0
Pension and retiree medical benefits	(2)	(138)	(156)	(160)
Cash flow hedge	6	646	(814)	2,354
Total Other Comprehensive (Loss) Income, net of tax	(2,842)	8,188	(15,910)	21,497
Total Comprehensive Income Including Noncontrolling Interest	6,867	11,784	9,865	18,480
Comprehensive Income (Loss) Attributable to Noncontrolling Interest	33	37	81	(28)
Comprehensive Income Attributable to Tennant Company	$ 6,834	$ 11,747	$ 9,784	$ 18,508

XML

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current Assets:
Cash and Cash Equivalents	$ 53,473	$ 58,398
Restricted Cash	534	653
Accounts Receivable, less allowances of $2,203 and $3,241, respectively	208,119	209,516
Inventories	139,793	127,694
Prepaid Expenses	28,356	19,351
Other Current Assets	8,865	7,503
Total Current Assets	439,140	423,115
Property, Plant and Equipment	381,443	382,768
Accumulated Depreciation	(217,625)	(202,750)
Property, Plant and Equipment, Net	163,818	180,018
Deferred Income Taxes	15,062	11,134
Goodwill	184,619	186,044
Intangible Assets, Net	152,974	172,347
Other Assets	14,953	21,319
Total Assets	970,566	993,977
Current Liabilities:
Current Portion of Long-Term Debt	30,999	30,883
Accounts Payable	90,778	96,082
Employee Compensation and Benefits	42,157	37,257
Income Taxes Payable	2,972	2,838
Other Current Liabilities	71,842	69,447
Total Current Liabilities	238,748	236,507
Long-Term Liabilities:
Long-Term Debt	316,937	345,956
Employee-Related Benefits	21,828	23,867
Deferred Income Taxes	48,491	53,225
Other Liabilities	35,479	35,948
Total Long-Term Liabilities	422,735	458,996
Total Liabilities	661,483	695,503
Commitments and Contingencies (Note 13)
Equity:
Common Stock, $0.375 par value; 60,000,000 shares authorized; 18,122,576 and 17,881,177 shares issued and outstanding, respectively	6,796	6,705
Additional Paid-In Capital	26,087	15,089
Retained Earnings	312,539	297,032
Accumulated Other Comprehensive Loss	(38,233)	(22,323)
Total Tennant Company Shareholders' Equity	307,189	296,503
Noncontrolling Interest	1,894	1,971
Total Equity	309,083	298,474
Total Liabilities and Total Equity	$ 970,566	$ 993,977

XML

Condensed Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current Assets:
Allowance For Doubtful Receivables And Sales Returns	$ 2,203	$ 3,241
Equity:
Common Stock, par value per share	$ 0.375	$ 0.375
Common Stock, shares authorized	60,000,000	60,000,000
Common Stock, shares issued	18,122,576	17,881,177
Common Stock, shares outstanding	18,122,576	17,881,177

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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
OPERATING ACTIVITIES
Net Earnings (Loss) Including Noncontrolling Interest	$ 25,775	$ (3,017)
Adjustments to reconcile Net Earnings (Loss) to Net Cash Provided by Operating Activities:
Depreciation	24,090	18,515
Amortization of Intangible Assets	17,378	11,430
Amortization of Debt Issuance Costs	1,883	896
Debt Issuance Cost Charges Related to Short-Term Financing	0	6,200
Fair Value Step-Up Adjustment to Acquired Inventory	0	8,445
Deferred Income Taxes	(9,908)	(4,848)
Share-Based Compensation Expense	6,008	4,915
Allowance for Doubtful Accounts and Returns	835	983
Other, Net	(459)	175
Changes in Operating Assets and Liabilities, Net of Assets Acquired:
Receivables, Net	(342)	(524)
Inventories	(19,550)	(9,866)
Accounts Payable	(1,756)	5,747
Employee Compensation and Benefits	5,186	(9,462)
Other Current Liabilities	(138)	10,019
Income Taxes	(1,105)	4,149
Other Assets and Liabilities	(4,428)	(11,634)
Net Cash Provided by Operating Activities	43,469	32,123
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	(12,768)	(16,239)
Proceeds from Disposals of Property, Plant and Equipment	108	2,456
Proceeds from Principal Payments Received on Long-Term Note Receivable	828	500
Issuance of Long-Term Note Receivable	0	(1,500)
Proceeds from Sale of Business	4,000	0
Acquisition of Businesses, Net of Cash, Cash Equivalents and Restricted Cash Acquired	0	(353,535)
Purchase of Intangible Assets	(2,607)	(2,500)
Net Cash Used in Investing Activities	(10,439)	(370,818)
FINANCING ACTIVITIES
Proceeds from Short-Term Debt	0	300,000
Repayments of Short-Term Debt	0	(300,000)
Proceeds from Issuance of Long-term Debt	0	440,000
Payments of Long-term Debt	(30,216)	(81,262)
Payments of Debt Issuance Costs	0	(16,465)
Change in Capital Lease Obligations	7	0
Proceeds from Issuance of Common Stock	5,735	4,728
Dividends Paid	(11,356)	(11,204)
Net Cash (Used in) Provided by Financing Activities	(35,830)	335,797
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	(2,244)	1,587
Net Decrease in Cash, Cash Equivalents and Restricted Cash	(5,044)	(1,311)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	59,051	58,550
Cash, Cash Equivalents and Restricted Cash at End of Period	54,007	57,239
Supplemental Disclosure of Cash Flow Information:
Cash Paid for Income Taxes	7,314	8,127
Cash Paid for Interest	11,297	3,741
Supplemental Non-cash Investing and Financing Activities:
Capital Expenditures in Accounts Payable	$ 635	$ 1,265

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Summary of Significant Accounting Policies (Notes)

9 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

1. Summary of Significant Accounting Policies

Basis of Presentation – The accompanying unaudited Condensed Consolidated Financial Statements have been prepared in accordance with the Securities and Exchange Commission (“SEC”) requirements for interim reporting, which allows certain footnotes and other financial information normally required by accounting principles generally accepted in the United States of America to be condensed or omitted. In our opinion, the Condensed Consolidated Financial Statements contain all adjustments (consisting of only normal recurring adjustments) necessary for the fair presentation of our financial position and results of operations.

These statements should be read in conjunction with the Consolidated Financial Statements and Notes included in our annual report on Form 10-K for the year ended December 31, 2017. The results of operations for interim periods are not necessarily indicative of the results to be expected for the full year.

Revenue Recognition – Revenue is recognized upon transfer of control of promised products or services to customers in an amount that reflects the consideration we expect to receive in exchange for those products and services. Generally, these criteria are met at the time the product is shipped.

We also enter into contracts that can include combinations of products and services, which are generally capable of being distinct and are accounted for as separate performance obligations. Revenue is recognized net of allowances for returns and any taxes collected from customers, which are subsequently remitted to governmental authorities.

Further details regarding revenue recognition are discussed in Notes 2 and 3.

New Accounting Pronouncements – Further details regarding the adoption of new accounting standards are discussed in Note 2.

We documented the summary of significant accounting policies in the Notes to the Consolidated Financial Statements of our annual report on Form 10-K for the fiscal year ended December 31, 2017. Other than the accounting policies noted above, there have been no material changes to our accounting policies since the filing of that report.

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Newly Adopted Accounting Pronouncements (Notes)

9 Months Ended

Sep. 30, 2018

Accounting Changes and Error Corrections [Abstract]

New Accounting Pronouncements and Changes in Accounting Principles [Text Block]

2. Newly Adopted Accounting Pronouncements

Revenue from Contracts with Customers

On January 1, 2018, we adopted Accounting Standards Update (“ASU”) No. 2014-09, Revenue from Contracts with Customers (Topic 606) and all the related amendments (“new revenue standard”) to all contracts not completed at the date of initial application using the modified retrospective method. The cumulative effect of initially applying the new revenue standard as an adjustment to the opening balance of retained earnings was not material to the company. The comparative information has not been restated and continues to be reported under the accounting standards in effect for those periods, and there are no material differences between the reported results under the new revenue standard and those that would have been reported under legacy U.S. GAAP.

The new revenue standard also required us to record a refund liability and a corresponding asset for our right to recover products from customers upon settling the refund liability to account for the transfer of products with a right of return. The impact of this provision of the new revenue standard is immaterial to our financial statements. The new revenue standard also provided additional clarity that resulted in a reclassification from Accounts Receivable to Other Current Liabilities to reflect a change in the presentation of our sales return reserves on the balance sheet, which were previously recorded net of Accounts Receivable. Provisions for estimated sales returns will continue to be recorded at the time the related revenue is recognized.    

The reclassification from Accounts Receivable to Other Current Liabilities in accordance with the detail described above impacted the Condensed Consolidated Balance Sheet as of September 30, 2018, as follows (in thousands):

	As Reported		Balances Without Adoption of ASC 606		Effect of Change Higher/(Lower)
ASSETS
Accounts Receivable	$	208,119	$	206,960	$	1,159
Total Current Assets	439,140		437,981		1,159
Total Assets	$	970,566	$	969,407	$	1,159
LIABILITIES
Other Current Liabilities	$	71,842	$	70,683	$	1,159
Total Current Liabilities	238,748		237,589		1,159
Total Liabilities	$	661,483	$	660,324	$	1,159

For additional disclosures regarding the new revenue standard, see Note 3.

Intra-Entity Transfers of Assets Other than Inventory

On January 1, 2018, we adopted ASU No. 2016-16, Income Taxes (Topic 740): Intra-Entity Transfers of Assets Other than Inventory. The ASU requires the tax effects of all intra-entity sales of assets other than inventory to be recognized in the period in which the transaction occurs. The adoption of this ASU resulted in a $94 cumulative effect adjustment recorded in Retained Earnings as of the beginning of 2018 that reflects a $1,281 reduction in a long-term deferred charge, mostly offset by the establishment of a deferred tax asset of $1,187. The reduction in the long-term asset and establishment of the deferred tax asset impacted Other Assets and Deferred Income Taxes, respectively, on our Condensed Consolidated Balance Sheets.

Statement of Cash Flows – Restricted Cash

On January 1, 2018, we adopted ASU No. 2016-18, Statement of Cash Flows (Topic 230): Restricted Cash. The ASU requires companies to explain the changes in the combined total of restricted and unrestricted balances in the Condensed Consolidated Statements of cash flows. Therefore, amounts generally described as restricted cash or restricted cash equivalents should be combined with unrestricted cash and cash equivalents when reconciling the beginning and end of period balances on the Condensed Consolidated Statements of Cash Flows. In accordance with the ASU, we adopted the standard on a retrospective basis to all periods presented.

Compensation – Retirement Benefits

On January 1, 2018, we adopted ASU No. 2017-07, Compensation—Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. The ASU requires employers to report the service cost component of net pension and postretirement benefit costs in the same line item or items as other compensation costs arising from services rendered by the pertinent employees during the period. The other components of net pension and postretirement benefit costs are required to be presented in the Condensed Consolidated Statements of Operations separately from the service cost component in nonoperating expenses. In accordance with the ASU, we adopted the standard on a retrospective basis to all periods presented. As a result, we reclassified $60 of net benefit credits and $74 of net benefit costs from Selling and Administrative Expense to Other Expense, Net on the Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2017, respectively. The reclassification represents the other components of net pension and postretirement benefit costs that are now presented in the Condensed Consolidated Statements of Operations separately from the service cost in Total Other Expense, Net. As a basis for the retrospective application of the ASU, we used the practical expedient that permits us to use the amounts disclosed for the various components of net benefit cost in Note 12.

Income Statement—Reporting Comprehensive Income

On January 1, 2018, we elected to adopt early ASU No. 2018-02, Income Statement—Reporting Comprehensive Income (Topic 220). The ASU gives companies the option to reclassify stranded tax effects caused by the newly enacted legislation referred to as the Tax Cuts and Jobs Act (the "Tax Act") from Accumulated Other Comprehensive Loss to Retained Earnings. The adoption resulted in a $1,263 cumulative effect adjustment which increased Retained Earnings as of the beginning of 2018 and reduced the deferred income tax benefits in Accumulated Other Comprehensive Loss relating to cash flow hedges and pension and retiree medical benefits.

Income Taxes

In March 2018, we adopted ASU No. 2018-05, Income Taxes (Topic 740): Amendments to SEC paragraphs Pursuant to SEC Staff Accounting Bulletin No. 118. The ASUupdates the income tax accounting in U.S. GAAP to reflect the SEC interpretive guidance released on December 22, 2017, when the Tax Act was signed into law. Additional information regarding the adoption of this standard is contained in Note 15.

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Revenue from Contracts with Customers (Notes)

9 Months Ended

Sep. 30, 2018

Revenue from Contract with Customer [Abstract]

Revenue from Contracts with Customer [Text Block]

3. Revenue from Contracts with Customers

Under the new revenue standard, revenue is recognized when control transfers under the terms of the contract with our customers. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring goods or providing services. Sales and other taxes we collect concurrent with revenue-producing activities are excluded from revenue. We do not account for shipping and handling as a distinct performance obligation as we generally perform shipping and handling activities after we transfer control of goods to the customer. We have elected to account for shipping and handling costs associated with outbound freight after control of goods has transferred to a customer as a fulfillment cost. Incidental items that are immaterial in the context of the contract are not recognized as a separate performance obligation. We do not have any significantly extended payment terms as payment is generally received within one year of the point of sale.

In general, we transfer control and recognize a sale at the point in time when products are shipped from our manufacturing facilities both direct to consumers and to distributors. Service revenue is recognized in the period the service is performed or ratably over the period of the related service contract. Consideration related to service contracts is deferred if the proceeds are received in advance of the satisfaction of the performance obligations and recognized over the contract period as the performance obligation is met. We use an output method to measure progress toward completion for certain prepaid service contracts, as this method appropriately depicts performance towards satisfaction of the performance obligations.

For contracts with multiple performance obligations (i.e., a product and service component), we allocate the transaction price to the performance obligations in proportion to their stand-alone selling prices. We use an observable price to determine the stand-alone selling price for separate performance obligations. When allocating on a relative stand-alone selling price basis, any discounts contained within the contract are allocated proportionately to all of the performance obligations in the contract.

Disaggregation of Revenue

The following tables illustrate the disaggregation of revenue by geographic area, groups of similar products and services and sales channels for the three and nine months ended September 30, 2018 and 2017 (in thousands):

Net Sales by geographic area

	Three Months Ended				Nine Months Ended
	September 30				September 30
	2018		2017		2018		2017
Americas	$	175,341	$	161,037	$	516,731	$	472,953
Europe, Middle East and Africa	74,254		78,851		250,480		189,483
Asia Pacific	23,660		22,033		71,088		61,335
Total	$	273,255	$	261,921	$	838,299	$	723,771

Net Sales are attributed to each geographic area based on the end user country and are net of intercompany sales.

Net Sales by groups of similar products and services

	Three Months Ended				Nine Months Ended
	September 30				September 30
	2018		2017		2018		2017
Equipment	$	178,165	$	165,203	$	542,317	$	455,311
Parts and Consumables	53,639		53,535		168,491		149,260
Specialty Surface Coatings	7,139		8,007		21,434		22,491
Service and Other	34,312		35,176		106,057		96,709
Total	$	273,255	$	261,921	$	838,299	$	723,771

Net Sales by sales channel

	Three Months Ended				Nine Months Ended
	September 30				September 30
	2018		2017		2018		2017
Sales Direct to Consumer	$	180,901	$	172,484	$	547,079	$	490,533
Sales to Distributors	92,354		89,437		291,220		233,238
Total	$	273,255	$	261,921	$	838,299	$	723,771

Contract Liabilities

Sales Returns

The right of return may exist explicitly or implicitly with our customers. When the right of return exists, we adjust the transaction price for the estimated effect of returns. We estimate the expected returns using the expected value method by assessing historical sales levels and the timing and magnitude of historical sales return levels as a percent of sales and projecting this experience into the future.

Sales Incentives

Our sales contracts may contain various customer incentives, such as volume-based rebates or other promotions. We reduce the transaction price for certain customer programs and incentive offerings that represent variable consideration. Sales incentives given to our customers are recorded using the most likely amount approach for estimating the amount of consideration to which the company will be entitled. We forecast the most likely amount of the incentive to be paid at the time of sale, update this forecast quarterly, and adjust the transaction price accordingly to reflect the new amount of incentives expected to be earned by the customer. A majority of our customer incentives are settled within one year. We record our accruals for volume-based rebates and other promotions in Other Current Liabilities on our Condensed Consolidated Balance Sheets.

The change in our sales incentive accrual balance for the nine months ended September 30, 2018 was as follows:

	Nine Months Ended
	September 30
	2018
Beginning balance	$	13,466
Additions to sales incentive accrual	22,078
Contract payments	(21,677		)
Foreign currency fluctuations	(239		)
Ending balance	$	13,628

Deferred Revenue

We sell separately priced prepaid contracts to our customers where we receive payment at the inception of the contract and defer recognition of the consideration received because we have to satisfy future performance obligations. Our deferred revenue balance is primarily attributed to prepaid maintenance contracts on our machines ranging from 12 months to 60 months. In circumstances where prepaid contracts are bundled with machines, we use an observable price to determine stand-alone selling price for separate performance obligations.

The change in the deferred revenue balance for the nine months ended September 30, 2018 was as follows:

	Nine Months Ended
	September 30
	2018
Beginning balance	$	7,787
Increase in deferred revenue representing our obligation to satisfy future performance obligations	11,032
Decrease in deferred revenue for amounts recognized in Net Sales for satisfied performance obligations	(10,475		)
Foreign currency fluctuations	(140		)
Ending balance	$	8,204

At September 30, 2018, $5,064 and $3,140 of deferred revenue was reported in Other Current Liabilities and Other Liabilities, respectively, on our Condensed Consolidated Balance Sheets. Of this, we expect to recognize the following approximate amounts in Net Sales in the following periods:

Remaining 2018	$	2,502
2019	2,958
2020	1,595
2021	692
2022	381
Thereafter	76
Total	$	8,204

At December 31, 2017, $5,304 and $2,483 of deferred revenue was reported in Other Current Liabilities and Other Liabilities, respectively, on our Condensed Consolidated Balance Sheets.

Practical Expedients and Exemptions

We generally expense the incremental costs of obtaining a contract when incurred because the amortization period would be less than one year. These costs relate primarily to sales commissions and are recorded in Selling and Administrative Expense in the Condensed Consolidated Statements of Operations.

We do not disclose the value of unsatisfied performance obligations for contracts with an original expected length of one year or less. In addition, we do not adjust the promised amount of consideration for the effects of a significant financing component if we expect, at contract inception, that the period between when we transfer a promised good or service to a customer and when the customer pays for that good or service will be one year or less.

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Management Actions

9 Months Ended

Sep. 30, 2018

Restructuring and Related Activities [Abstract]

Management Actions

4. Management Actions

During the first quarter of 2017, we implemented a restructuring action to better align our global resources and expense structure with a lower growth global economic environment. The pre-tax charge of $8,018, including other associated costs of $961, consisted primarily of severance and was included within Selling and Administrative Expense in the Condensed Consolidated Statements of Operations. The charge impacted our Americas, Europe, Middle East and Africa (EMEA) and Asia Pacific (APAC) operating segments. The savings offset the pre-tax charge approximately one year from the date of the action. Additional costs will not be incurred related to this restructuring action.

During the fourth quarter of 2017, we implemented a restructuring action primarily driven by integration actions related to our acquisition of the IPC Group. The restructuring action consisted primarily of severance and included reductions in overall staffing to streamline and right-size the organization to support anticipated business requirements. The pre-tax charge of $2,501 was included within Selling and Administrative Expense in the Condensed Consolidated Statements of Operations. The charge impacted our Americas, EMEA and APAC operating segments. We believe the anticipated savings will offset the pre-tax charge in approximately one year from the date of the action. Additional costs will not be incurred related to this restructuring action.

A reconciliation of the beginning and ending liability balances is as follows:

	Severance and Related Costs
2017 restructuring actions	$	9,558
Cash payments	(6,312		)
Foreign currency adjustments	190
December 31, 2017 balance	$	3,436
2018 utilization:
Cash payments	(1,694		)
Foreign currency adjustments	(64		)
September 30, 2018 balance	$	1,678

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Acquisitions and Divestitures (Notes)

9 Months Ended

Sep. 30, 2018

Business Combinations [Abstract]

Acquisitions and Divestitures

5. Acquisitions and Divestitures

On September 4, 2018, we signed a definitive agreement to acquire Hefei Gaomei Cleaning Machines Co., Ltd. and Anhui Rongen Environmental Protection Technology Co., Ltd (collectively "Gaomei"), privately held designers and manufacturers of commercial cleaning solutions based in China. We expect the acquisition to be completed in the first quarter of 2019. The purchase price and net assets to be acquired are not significant to our consolidated financial statements.

During the third quarter of 2018, we sold our Waterstar business for $4,000 in cash. The resulting gain was approximately $1,000 and is reflected within Selling and Administrative Expense in operating profit in our Condensed Consolidated Statements of Operations.

On April 6, 2017, we acquired the outstanding capital stock of IP Cleaning S.p.A. and its subsidiaries ("IPC Group") for a purchase price of $353,769, net of cash acquired of $8,804. The primary seller was Ambienta SGR S.p.A., a European private equity fund. IPC Group, based in Italy, is a designer and manufacturer of innovative professional cleaning equipment, cleaning tools and supplies. The acquisition strengthens our presence and market share in Europe and allows us to better leverage our EMEA cost structure. We funded the acquisition of IPC Group, along with related fees, including refinancing of existing debt, with funds raised through borrowings under a senior secured credit facility in an aggregate principal amount of $420,000. Further details regarding our acquisition financing arrangements are discussed in Note 8.

The following table summarizes the final fair value measurement of the assets acquired and liabilities assumed as of the date of acquisition:

ASSETS
Receivables	$	39,984
Inventories	46,442
Other Current Assets	7,456
Assets Held for Sale	2,247
Property, Plant and Equipment	63,890
Intangible Assets Subject to Amortization:
Trade Name	26,753
Customer Lists	123,061
Technology	9,631
Other Assets	2,000
Total Identifiable Assets Acquired	321,464
LIABILITIES
Accounts Payable	32,227
Accrued Expenses	18,130
Deferred Income Taxes	56,950
Other Liabilities	10,964
Total Identifiable Liabilities Assumed	118,271
Net Identifiable Assets Acquired	203,193
Noncontrolling Interest	(1,896		)
Goodwill	152,472
Total Purchase Price, net of Cash Acquired	$	353,769

Based on the final fair value measurement of the assets acquired and liabilities assumed, we allocated $152,472 to goodwill for the expected synergies from combining IPC Group with our existing business. None of the goodwill is expected to be deductible for income tax purposes. In connection with the finalization of the fair value measurements in the first quarter of 2018, we recorded a measurement period adjustment, which increased goodwill by $4,627 with offsetting adjustments to various income tax assets and liabilities.

The final fair value of the acquired intangible assets is $159,445. The expected lives of the acquired amortizable intangible assets are approximately 15 years for customer lists, 10 years for trade names and 10 years for technology. Trade names are being amortized on a straight-line basis while the customer lists and technology are being amortized on an accelerated basis. We recorded amortization expense of $5,401 and $16,424 in Selling and Administrative Expense on our Condensed Consolidated Statements of Operations for these acquired intangible assets for the three and nine months ended September 30, 2018, respectively.

The following unaudited pro forma financial information presents the combined results of operations of Tennant Company as if the 2017 acquisition of the IPC Group had occurred as of January 1, 2016. The unaudited pro forma financial information is presented for informational purposes only. It is not necessarily indicative of what our consolidated results of operations actually would have been had the acquisition occurred at the beginning of fiscal 2016. No pro forma results are presented for the three or nine months ended September 30, 2018, as the results of the acquired company are included in the actual results.

Pro Forma Financial Information (Unaudited)
	Three Months Ended		Nine Months Ended
(In thousands, except per share data)	September 30		September 30
	2017		2017
Net Sales
Pro forma	$	261,921	$	777,832
As reported	261,921		723,771
Net Earnings (Loss) Attributable to Tennant Company
Pro forma	$	5,800	$	14,875
As reported	3,559		(2,989		)
Net Earnings (Loss) Attributable to Tennant Company per Share
Pro forma	$	0.32	$	0.84
As reported	0.20		(0.17		)

The unaudited pro forma financial information above gives effect to the following:

• incremental depreciation and amortization expense related to the fair value of the property, plant and equipment and identified intangible assets;

• exclusion of the purchase accounting impact of the inventory step-up related to the sale of acquired inventory;

• incremental interest expense related to additional debt used to finance the acquisition;

• exclusion of non-recurring acquisition-related transaction and financing costs; and

• pro forma adjustments tax affected based on the jurisdiction where the costs were incurred.

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Inventories

9 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Inventories

6. Inventories

Inventories are valued at the lower of cost or market. Inventories at September 30, 2018 and December 31, 2017 consisted of the following:

	September 30, 2018			December 31, 2017
Inventories carried at LIFO:
Finished goods	$	48,471		$	43,439
Raw materials, production parts and work-in-process	28,994			23,694
LIFO reserve	(30,668		)	(28,429		)
Total LIFO inventories	46,797			38,704
Inventories carried at FIFO:
Finished goods	53,138			54,161
Raw materials, production parts and work-in-process	39,858			34,829
Total FIFO inventories	92,996			88,990
Total inventories	$	139,793		$	127,694

The LIFO reserve approximates the difference between LIFO carrying cost and FIFO.

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Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

7. Goodwill and Intangible Assets

The changes in the carrying value of Goodwill for the nine months ended September 30, 2018 were as follows:

	Goodwill			Accumulated Impairment Losses			Total
Balance as of December 31, 2017	$	227,224		$	(41,180	)	$	186,044
Purchase accounting adjustments	4,627			—			4,627
Foreign currency fluctuations	(7,542		)	1,490			(6,052		)
Balance as of September 30, 2018	$	224,309		$	(39,690	)	$	184,619

The balances of acquired Intangible Assets, excluding Goodwill, as of September 30, 2018 and December 31, 2017, were as follows:

	Customer Lists			Trade Names			Technology			Total
Balance as of September 30, 2018
Original cost	$	144,760		$	30,945		$	17,134		$	192,839
Accumulated amortization	(29,908		)	(4,631		)	(5,326		)	(39,865		)
Carrying value	$	114,852		$	26,314		$	11,808		$	152,974
Weighted average original life (in years)	15			10			11
Balance as of December 31, 2017
Original cost	$	149,355		$	31,968		$	14,589		$	195,912
Accumulated amortization	(17,870		)	(2,436		)	(3,259		)	(23,565		)
Carrying value	$	131,485		$	29,532		$	11,330		$	172,347
Weighted average original life (in years)	15			10			11

The purchase accounting adjustments recorded during the first quarter of 2018 were based on the fair value adjustments related to our acquisition of the IPC Group, as described further in Note 5.

During the first nine months of 2018, we purchased a technology license for $2,500. The license was recorded in Intangible Assets, Net as technology on the Condensed Consolidated Balance Sheets as of September 30, 2018.

Amortization expense on Intangible Assets for the three and nine months ended September 30, 2018 was $5,720 and $17,378, respectively. Amortization expense on Intangible Assets for the three and nine months ended September 30, 2017 was $7,650 and $11,430, respectively.

Estimated aggregate amortization expense based on the current carrying value of amortizable Intangible Assets for each of the five succeeding years and thereafter is as follows:

Remaining 2018	$	5,456
2019	21,268
2020	19,827
2021	18,244
2022	15,965
Thereafter	72,214
Total	$	152,974

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Debt

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Debt

8. Debt

Financial Covenants

In 2017, the Company and certain of our foreign subsidiaries entered into a Credit Agreement (the "2017 Credit Agreement) with JPMorgan, as administrative agent, Goldman Sachs Bank USA, as syndication agent, Wells Fargo, National Association, U.S. Bank National Association, and HSBC Bank USA, National Association, as co-documentation agents, and the lenders (including JPMorgan) from time to time party thereto.

The 2017 Credit Agreement contains customary representations, warranties and covenants, including, but not limited to, covenants restricting the company’s ability to incur indebtedness and liens and merge or consolidate with another entity. The 2017 Credit Agreement also contains financial covenants, requiring us to maintain a ratio of consolidated total indebtedness to consolidated earnings before income, taxes, depreciation and amortization, subject to certain adjustments ("Adjusted EBITDA") of not greater than 4.00 to 1, as well as requiring us to maintain a ratio of consolidated Adjusted EBITDA to consolidated interest expense of no less than 3.50 to 1 for the quarter ended September 30, 2018. The 2017 Credit Agreement also contains a financial covenant requiring us to maintain a senior secured net indebtedness to Adjusted EBITDA ratio of not greater than 3.50 to 1. These financial covenants may restrict our ability to pay dividends and purchase outstanding shares of our common stock. We were in compliance with our financial covenants at September 30, 2018.

We will be required to repay the senior credit agreement with 25% to 50% of our excess cash flow from the preceding fiscal year, as defined in the agreement, unless our net leverage ratio for such preceding fiscal year is less than or equal to 3.00 to 1, which will be first measured using our fiscal year ended December 31, 2018.

Our Senior Notes also contain certain restrictions, which are generally less restrictive than those contained in the 2017 Credit Agreement.

Registration Rights Agreement

In connection with the issuance and sale of the Senior Notes, the company entered into a Registration Rights Agreement, dated April 18, 2017, among the company, the Guarantors and Goldman, Sachs & Co. and J.P. Morgan Securities LLC (the “Registration Rights Agreement”). Pursuant to the Registration Rights Agreement, the company agreed (1) to use its commercially reasonable efforts to consummate an exchange offer to exchange the Senior Notes for new registered notes (the “Exchange Notes”), with terms substantially identical in all material respects with the Senior Notes (except that the Exchange Notes will not contain terms with respect to additional interest, registration rights or transfer restrictions) and (2) if required, to have a shelf registration statement declared effective with respect to resales of the Senior Notes. 

On January 22, 2018, we commenced the exchange offer required by the Registration Rights Agreement. The exchange offer closed on February 23, 2018. We did not incur any additional indebtedness as a result of the exchange offer. As a result, we are not required to pay additional interest on the Senior Notes.

Debt Outstanding

Debt outstanding at September 30, 2018 and December 31, 2017 consisted of the following:

	September 30, 2018			December 31, 2017
Long-Term Debt:
Senior unsecured notes	$	300,000		$	300,000
Credit facility borrowings	50,000			80,000
Capital lease obligations	2,955			3,279
Total Long-Term Debt	352,955			383,279
Less: unamortized debt issuance costs	(5,020		)	(6,440		)
Less: current maturities of credit facility borrowings, net of debt issuance costs(1)	(29,704		)	(29,413		)
Less: current maturities of capital lease obligations(1)	(1,294		)	(1,470		)
Long-term portion	$	316,937		$	345,956

⁽¹⁾  Current maturities of long-term debt include $30,000 of current maturities, less $296 of unamortized debt issuance costs, under our 2017 Credit Agreement and $1,294 of current maturities of capital lease obligations.

As of September 30, 2018, we had outstanding borrowings under our Senior Unsecured Notes of $300,000. We had outstanding borrowings under our 2017 Credit Agreement, totaling $30,000 under our term loan facility and $20,000 under our revolving facility, leaving $180,000 of unused borrowing capacity on our revolving facility. Although we are only required to make a minimum principal payment of $6,250 during the next year, we have both the intent and the ability to pay an additional $23,750 during the next year on our term loan facility. As such, we have classified $30,000 as current maturities of long-term debt. In addition, we had letters of credit and bank guarantees outstanding in the amount of $5,724, leaving approximately $174,276 of unused borrowing capacity on our revolving facility. Commitment fees on unused lines of credit for the nine months ended September 30, 2018 were $455. The overall weighted average cost of debt is approximately 5.4% and net of a related cross-currency swap instrument is approximately 4.5%. Further details regarding the cross-currency swap instrument are discussed in Note 10.

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Warranty

9 Months Ended

Sep. 30, 2018

Product Warranties Disclosures [Abstract]

Warranty

9. Warranty

We record a liability for warranty claims at the time of sale. The amount of the liability is based on the trend in the historical ratio of claims to sales, the historical length of time between the sale and resulting warranty claim, new product introductions and other factors. Warranty terms on machines generally range from one to four years. However, the majority of our claims are paid out within the first six to nine months following a sale. The majority of the liability for estimated warranty claims represents amounts to be paid out in the near term for qualified warranty issues, with immaterial amounts reserved to be paid for older equipment warranty issues.

The changes in warranty reserves for the nine months ended September 30, 2018 and 2017 were as follows:

	Nine Months Ended
	September 30
	2018			2017
Beginning balance	$	12,676		$	10,960
Additions charged to expense	10,883			8,879
Acquired warranty obligations	—			384
Foreign currency fluctuations	(193		)	225
Claims paid	(9,805		)	(8,912		)
Ending balance	$	13,561		$	11,536

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Derivatives (Notes)

9 Months Ended

Sep. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments and Hedging Activities Disclosure [Text Block]

10. Derivatives

Hedge Accounting and Hedging Programs

We recognize all derivative instruments as either assets or liabilities in our Condensed Consolidated Balance Sheets and measure them at fair value. Gains and losses resulting from changes in fair value are accounted for depending on the use of the derivative and whether it is designated and qualifies for hedge accounting.

Balance Sheet Hedging

Hedges of Foreign Currency Assets and Liabilities

We hedge portions of our net recognized foreign currency denominated assets and liabilities with foreign exchange forward contracts to reduce the risk that the value of these assets and liabilities will be adversely affected by changes in exchange rates. At September 30, 2018 and December 31, 2017, the notional amounts of foreign currency forward exchange contracts outstanding not designated as hedging instruments were $47,614 and $60,858, respectively.

Cash Flow Hedging

Hedges of Forecasted Foreign Currency Transactions

In countries outside the U.S., we transact business in U.S. dollars and in various other currencies. We may use foreign exchange option contracts or forward contracts to hedge certain cash flow exposures resulting from changes in these foreign currency exchange rates. These foreign exchange contracts, carried at fair value, have maturities of up to one year. We enter into these foreign exchange contracts to hedge a portion of our forecasted foreign currency denominated revenue in the normal course of business, and accordingly, they are not speculative in nature. The notional amounts of outstanding foreign currency forward contracts designated as cash flow hedges were $2,952 and $2,928 as of September 30, 2018 and December 31, 2017, respectively. The notional amounts of outstanding foreign currency option contracts designated as cash flow hedges were $8,737 and $8,619 as of September 30, 2018 and December 31, 2017, respectively.

Foreign Currency Derivatives

We use foreign currency exchange rate derivatives to hedge our exposure to fluctuations in exchange rates for anticipated intercompany cash transactions between Tennant Company and its subsidiaries. We entered into Euro to U.S. dollar foreign exchange cross currency swaps for all of the anticipated cash flows associated with an intercompany loan from a wholly owned European subsidiary. We enter into these foreign exchange cross currency swaps to hedge the foreign currency denominated cash flows associated with this intercompany loan, and accordingly, they are not speculative in nature. These cross currency swaps are designated as cash flow hedges. The hedged cash flows as of September 30, 2018 and December 31, 2017 included €175,800 and €181,200 of total notional values, respectively. As of September 30, 2018, the aggregate scheduled interest payments over the course of the loan and related swaps amounted to €25,800. The scheduled maturity and principal payment of the loan and related swaps of €150,000 are due in April 2022.

The fair value of derivative instruments on our Condensed Consolidated Balance Sheets as of September 30, 2018 and December 31, 2017 was as follows:

	September 30, 2018				December 31, 2017
	Fair Value Asset Derivatives		Fair Value Liability Derivatives		Fair Value Asset Derivatives		Fair Value Liability Derivatives
Derivatives designated as hedging instruments:
Foreign currency option contracts(1)	$	113	$	—	$	86	$	—
Foreign currency forward contracts(1)	7,038		29,868		7,218		34,961
Derivatives not designated as hedging instruments:
Foreign currency forward contracts(1)	$	653	$	358	$	442	$	425

⁽¹⁾  Contracts that mature within the next 12 months are included in Other Current Assets and Other Current Liabilities for asset derivatives and liability derivatives, respectively, on our Condensed Consolidated Balance Sheets. Contracts with maturities greater than 12 months are included in Other Assets and Other Liabilities for asset derivatives and liability derivatives, respectively, in our Condensed Consolidated Balance Sheets. Amounts included in our Condensed Consolidated Balance Sheets are recorded net where a right of offset exists with the same derivative counterparty.

As of September 30, 2018, we anticipate reclassifying approximately $2,129 of gains from Accumulated Other Comprehensive Loss to net earnings during the next 12 months.

The effect of foreign currency derivative instruments designated as cash flow hedges and of foreign currency derivative instruments not designated as hedges in our Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2018 was as follows:

	Three Months Ended						Nine Months Ended
	September 30, 2018						September 30, 2018
	Foreign Currency Option Contracts			Foreign Currency Forward Contracts			Foreign Currency Option Contracts			Foreign Currency Forward Contracts
Derivatives in cash flow hedging relationships:
Net (loss) gain recognized in Other Comprehensive (Loss) Income, net of tax(1)	$	(89	)	$	1,253		$	(40	)	$	4,929
Net loss reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Sales	(7		)	(33		)	(91		)	(34		)
Net gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Interest Income	—			487			—			1,345
Net gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Foreign Currency Transaction Losses	—			739			—			4,724
Net (loss) gain recognized in earnings(2)	(5		)	2			3			8
Derivatives not designated as hedging instruments:
Net (loss) gain recognized in earnings(3)	$	—		$	(658	)	$	—		$	1,174

The effect of foreign currency derivative instruments designated as cash flow hedges and of foreign currency derivative instruments not designated as hedges in our Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2017 was as follows:

	Three Months Ended						Nine Months Ended
	September 30, 2017						September 30, 2017
	Foreign Currency Option Contracts			Foreign Currency Forward Contracts			Foreign Currency Option Contracts			Foreign Currency Forward Contracts
Derivatives in cash flow hedging relationships:
Net loss recognized in Other Comprehensive (Loss) Income, net of tax(1)	$	(40	)	$	(4,492	)	$	(177	)	$	(14,026	)
Net (loss) gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Sales	(141		)	26			(140		)	(76		)
Net gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Interest Income	—			374			—			823
Net loss reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Foreign Currency Transaction Losses	—			(3,705		)	—			(10,853		)
Net (loss) gain recognized in earnings(2)	(7		)	3			(12		)	8
Derivatives not designated as hedging instruments:
Net loss recognized in earnings(3)	$	—		$	(2,062	)	$	(1,132	)	$	(7,369	)

⁽¹⁾  Net change in the fair value of the effective portion classified in Other Comprehensive (Loss) Income.

⁽²⁾  Ineffective portion and amount excluded from effectiveness testing classified in Net Foreign Currency Transaction Losses.

⁽³⁾  Classified in Net Foreign Currency Transaction Losses.

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Fair Value Measurements

9 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Fair Value Measurements

11. Fair Value Measurements

Estimates of fair value for financial assets and financial liabilities are based on the framework established in the accounting guidance for fair value measurements. The framework defines fair value, provides guidance for measuring fair value and requires certain disclosures. The framework discusses valuation techniques, such as the market approach (comparable market prices), the income approach (present value of future income or cash flow) and the cost approach (cost to replace the service capacity of an asset or replacement cost). The framework utilizes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels. The following is a brief description of those three levels:

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

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

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

Our population of assets and liabilities subject to fair value measurements at September 30, 2018 is as follows:

	Fair Value		Level 1		Level 2		Level 3
Assets:
Foreign currency forward exchange contracts	$	7,691	$	—	$	7,691	$	—
Foreign currency option contracts	113		—		113		—
Total Assets	$	7,804	$	—	$	7,804	$	—
Liabilities:
Foreign currency forward exchange contracts	$	30,226	$	—	$	30,226	$	—
Total Liabilities	$	30,226	$	—	$	30,226	$	—

Our population of assets and liabilities subject to fair value measurements at December 31, 2017 is as follows:

	Fair Value		Level 1		Level 2		Level 3
Assets:
Foreign currency forward exchange contracts	$	7,660	$	—	$	7,660	$	—
Foreign currency option contracts	86		—		86		—
Total Assets	$	7,746	$	—	$	7,746	$	—
Liabilities:
Foreign currency forward exchange contracts	$	35,386	$	—	$	35,386	$	—
Total Liabilities	$	35,386	$	—	$	35,386	$	—

Our foreign currency forward exchange and option contracts are valued using observable Level 2 market expectations at the measurement date and standard valuation techniques to convert future amounts to a single present value amount. Further details regarding our foreign currency forward exchange and option contracts are discussed in Note 10.

The carrying amounts reported in the Condensed Consolidated Balance Sheets for Cash and Cash Equivalents, Restricted Cash, Accounts Receivable, Other Current Assets, Accounts Payable and Other Current Liabilities approximate fair value due to their short-term nature.

The fair market value of our Long-Term Debt approximates cost based on the borrowing rates currently available to us for bank loans with similar terms and remaining maturities.

From time to time, we measure certain assets at fair value on a non-recurring basis, including evaluation of long-lived assets, goodwill and other intangible assets, as part of a business acquisition. These assets are measured and recognized at amounts equal to the fair value determined as of the date of acquisition. Fair value valuations are based on the information available as of the acquisition date and the expectations and assumptions that have been deemed reasonable by us. There are inherent uncertainties and management judgment required in these determinations. The fair value measurements of assets and liabilities assumed as part of a business acquisition are based on valuations involving significant unobservable inputs, or Level 3, in the fair value hierarchy.

These assets are also subject to periodic impairment testing by comparing the respective carrying value of each asset to the estimated fair value of the reporting unit or asset group in which they reside. In the event we determine these assets to be impaired, we would recognize an impairment loss equal to the amount by which the carrying value of the reporting unit, impairment asset or asset group exceeds its estimated fair value. These periodic impairment tests utilize company-specific assumptions involving unobservable inputs, or Level 3, in the fair value hierarchy.

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Retirement Benefit Plans

9 Months Ended

Sep. 30, 2018

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Retirement Benefit Plans

12. Retirement Benefit Plans

Our defined benefit pension plans and postretirement medical plan are described in Note 13 of our annual report on Form 10-K for the year ended December 31, 2017. We have contributed $36 and $139 during the third quarter of 2018 and $187 and $695 during the first nine months of 2018 to our pension plans and postretirement medical plan, respectively.

The components of the net benefit cost for the three and nine months ended September 30, 2018 and 2017 were as follows:

	Three Months Ended
	September 30
	Pension Benefits											Postretirement
	U.S. Plans					Non-U.S. Plans						Medical Benefits
	2018		2017			2018			2017			2018		2017
Service cost	$	—	$	—		$	33		$	124		$	6	$	6
Interest cost	10		373			82			96			70		91
Expected return on plan assets	—		(581		)	(77		)	(101		)	—		—
Amortization of net actuarial loss	13		12			—			—			—		—
Amortization of prior service cost	—		—			54			50			—		—
Foreign currency	—		—			(118		)	135			—		—
Net periodic benefit cost (credit)	23		(196		)	(26		)	304			76		97
Net benefit cost (credit)	$	23	$	(196	)	$	(26	)	$	304		$	76	$	97

	Nine Months Ended
	September 30
	Pension Benefits											Postretirement
	U.S. Plans					Non-U.S. Plans						Medical Benefits
	2018		2017			2018			2017			2018		2017
Service cost	$	—	$	—		$	105		$	172		$	34	$	46
Interest cost	32		1,153			240			315			220		272
Expected return on plan assets	—		(1,752		)	(268		)	(298		)	—		—
Amortization of net actuarial loss	37		33			—			—			—		—
Amortization of prior service cost	—		—			160			146			—		—
Foreign currency	—		—			(212		)	364			—		—
Net periodic benefit cost (credit)	69		(566		)	25			699			254		318
Settlement charge	50		205			—			—			—		—
Net benefit cost (credit)	$	119	$	(361	)	$	25		$	699		$	254	$	318

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Commitments and Contingencies (Notes)

9 Months Ended

Sep. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments Contingencies and Guarantees [Text Block]

13. Commitments and Contingencies

Certain operating leases for vehicles contain residual value guarantee provisions, which would become due at the expiration of the operating lease agreement if the fair value of the leased vehicles is less than the guaranteed residual value. As of September 30, 2018, of those leases that contain residual value guarantees, the aggregate residual value at lease expiration was $13,990, of which we have guaranteed $8,371. As of September 30, 2018, we have recorded a liability for the estimated end of term loss related to this residual value guarantee of $317 for certain vehicles within our fleet. Our fleet also contains vehicles we estimate will settle at a gain. Gains on these vehicles will be recognized at the end of the lease term.

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Accumulated Other Comprehensive Loss (Notes)

9 Months Ended

Sep. 30, 2018

Equity [Abstract]

Accumulated Other Comprehensive Loss

14. Accumulated Other Comprehensive Loss

Components of Accumulated Other Comprehensive Loss, net of tax, within the Condensed Consolidated Balance Sheets, are as follows:

	September 30, 2018			December 31, 2017
Foreign currency translation adjustments	$	(29,456	)	$	(15,778	)
Pension and retiree medical benefits	(1,661		)	(1,610		)
Cash flow hedge	(7,116		)	(4,935		)
Total Accumulated Other Comprehensive Loss	$	(38,233	)	$	(22,323	)

The changes in components of Accumulated Other Comprehensive Loss, net of tax, are as follows:

	Foreign Currency Translation Adjustments			Pension and Post Retirement Benefits			Cash Flow Hedge			Total
December 31, 2017	$	(15,778	)	$	(1,610	)	$	(4,935	)	$	(22,323	)
Other comprehensive (loss) income before reclassifications	(13,678		)	19			4,889			(8,770		)
Amounts reclassified from Accumulated Other Comprehensive Loss	—			67			(5,944		)	(5,877		)
Adjustments to Accumulated Other Comprehensive Loss for disproportionate income tax effects recognized from the adoption of ASU 2018-02	—			(137		)	(1,126		)	(1,263		)
Net current period other comprehensive loss	(13,678		)	(51		)	(2,181		)	(15,910		)
September 30, 2018	$	(29,456	)	$	(1,661	)	$	(7,116	)	$	(38,233	)

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Income Taxes

9 Months Ended

Sep. 30, 2018

Income Tax Disclosure [Abstract]

Income Taxes

15. Income Taxes

We and our subsidiaries are subject to U.S. federal income tax as well as income tax of numerous state and foreign jurisdictions. We are generally no longer subject to U.S. federal tax examinations for taxable years before 2016 and, with limited exceptions, state and foreign income tax examinations for taxable years before 2013.

We recognize potential accrued interest and penalties related to unrecognized tax benefits in Income Tax Expense. In addition to the liability of $6,067 for unrecognized tax benefits as of September 30, 2018, there was approximately $489 for accrued interest and penalties. The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate as of September 30, 2018 was $5,842. To the extent interest and penalties are not assessed with respect to uncertain tax positions, amounts accrued will be revised and reflected as an adjustment of the Income Tax Expense.

The Internal Revenue Service completed its examination of the U.S. income tax return for the 2015 tax year during the third quarter of 2018. The IRS's adjustments to certain tax positions were not material and were fully reserved. We are currently undergoing income tax examinations in various state and foreign jurisdictions covering 2014 to 2016. Although the final outcome of these examinations cannot be currently determined, we believe that we have adequate reserves with respect to these examinations.

On December 22, 2017, the Tax Act was signed into law. The Tax Act made broad and complex changes to the U.S. tax code which includes a lowering of the U.S. federal corporate income tax rate from 35% to 21% effective January 1, 2018, accelerated expensing of qualified capital investments for a specific period, limitations of the deductibility of interest expense and executive compensation, and a transition from a worldwide to a territorial tax system, which requires companies to pay a one-time transition tax on certain unrepatriated earnings from foreign subsidiaries.

ASC 740, Income Taxes, requires a company to record the effects of a tax law change in the period of enactment. ASU 2018-05 allows a company to record a provisional amount when it does not have the necessary information available, prepared or analyzed in reasonable detail to complete its accounting for the change in the tax law. The measurement period ends when the company has obtained, prepared and analyzed the information necessary to finalize its accounting, but cannot extend beyond one year. In the fourth quarter of 2017, we included a provisional amount for the one-time transition tax on certain unrepatriated earnings. The accounting for the income tax effect of the one-time transition tax on certain unrepatriated earnings was finalized in the third quarter of 2018, impacting the year-to-date overall effective tax rate by (1.3)%. In the fourth quarter of 2017, we remeasured our deferred taxes at the reduced corporate tax rate of 21% and recognized the change as a discrete income tax expense. The accounting for the remeasurement of the deferred taxes was finalized in the third quarter of 2018, and the impact to the year-to-date overall effective tax rate was immaterial.

We recorded income tax expense of $158 during the third quarter of 2018, or 1.6% of earnings before income taxes. During the first nine months of 2018, we recorded income tax expense of $1,598, or 5.8% of earnings before income taxes. This amount primarily reflects two items: (1) the Tax Act resulted in a lower tax rate beginning in the first quarter of 2018. This includes the estimated impacts of requiring a current inclusion in U.S. federal income of certain earnings of controlled foreign corporations, allowing a domestic corporation an immediate deduction in the U.S. taxable income for a portion of its foreign-derived intangible income, the base erosion anti-abuse tax, and limitations on the deductibility of executive compensation. These estimates had an immaterial impact on our effective income tax rate for 2018; and (2) during 2018, we recorded discrete income tax items to adjust our finalized transition tax liability by $(362), and we realized two discrete tax benefits, totaling $3,568, resulting from the exercise of soon-to-expire stock options and a favorable tax ruling from Italian tax authorities related to the deductibility of interest expense in Italy. We will continue to monitor and evaluate guidance and clarifications from the Internal Revenue Service as it relates to the Tax Act and will record adjustments as necessary.

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Share-Based Compensation

9 Months Ended

Sep. 30, 2018

Share-based Compensation [Abstract]

Share-Based Compensation

16. Share-Based Compensation

Our share-based compensation plans are described in Note 17 of our annual report on Form 10-K for the year ended December 31, 2017. During the three months ended September 30, 2018 and 2017, we recognized total Share-Based Compensation Expense of $1,893 and $1,293, respectively. During the nine months ended September 30, 2018 and 2017, we recognized total Share-Based Compensation Expense of $6,008 and $4,915, respectively. The total excess tax benefit recognized for share-based compensation arrangements during the nine months ended September 30, 2018 and 2017 was $2,073 and $1,149, respectively.

During the first nine months of 2018, we issued 16,377 restricted shares. The weighted average grant date fair value of each share awarded was $67.70. Restricted share awards generally have a three year vesting period from the effective date of the grant. The total fair value of shares vested during the nine months ended September 30, 2018 and 2017 was $863 and $1,295, respectively.

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Earnings (Loss) Attributable to Tennant Company Per Share

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Earnings (Loss) Attributable to Tennant Company Per Share

17. Earnings (Loss) Attributable to Tennant Company Per Share

The computations of Basic and Diluted Earnings (Loss) per Share were as follows:

	Three Months Ended				Nine Months Ended
	September 30				September 30
	2018		2017		2018		2017
Numerator:
Net Earnings (Loss) Attributable to Tennant Company	$	9,676	$	3,559	$	25,694	$	(2,989	)
Denominator:
Basic - Weighted Average Shares Outstanding	17,998,917		17,729,857		17,911,880		17,673,656
Effect of dilutive securities:
Share-based compensation plans	440,704		441,587		432,933		—
Diluted - Weighted Average Shares Outstanding	18,439,621		18,171,444		18,344,813		17,673,656
Basic Earnings (Loss) per Share	$	0.54	$	0.20	$	1.43	$	(0.17	)
Diluted Earnings (Loss) per Share	$	0.52	$	0.20	$	1.40	$	(0.17	)

Excluded from the dilutive securities shown above were options to purchase and shares to be paid out under share-based compensation plans of 139,106 and 340,239 shares of common stock during the three months ended September 30, 2018 and 2017, respectively. Excluded from the dilutive securities shown above were options to purchase and shares to be paid out under share-based compensation plans of 214,605 and 714,687 shares of common stock during the nine months ended September 30, 2018 and 2017, respectively. These exclusions were made if the exercise prices of the options are greater than the average market price of our common stock for the period, if the number of shares we can repurchase under the treasury stock method exceeds the weighted average shares outstanding in the options or if we have a net loss, as these effects are anti-dilutive.

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Segment Reporting

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Segment Reporting

18. Segment Reporting

We are organized into four operating segments: North America, Latin America, EMEA and APAC. We combine our North America and Latin America operating segments into the “Americas” for reporting Net Sales by geographic area. In accordance with the objective and basic principles of the applicable accounting guidance, we aggregate our operating segments into one reportable segment that consists of the design, manufacture and sale of products used primarily in the maintenance of nonresidential surfaces.

Further disclosures regarding our net sales by geographic areaare discussed in Note 3.

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Separate Financial Information of Guarantor Subsidiaries (Notes)

9 Months Ended

Sep. 30, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Separate Financial Information of Guarantor Subsidiaries

19. Separate Financial Information of Guarantor Subsidiaries

The following condensed consolidated guarantor financial information is presented to comply with the requirements of Rule 3-10 of Regulation S-X.

In 2017, we issued and sold $300,000 in aggregate principal amount of our 5.625% Senior Notes due 2025 (the "Notes), pursuant to an Indenture, dated as of April 18, 2017, among the company, the Guarantors (as defined below), and Wells Fargo Bank, National Association, a national banking association, as trustee. The Notes are unconditionally and jointly and severally guaranteed by Tennant Coatings, Inc. and Tennant Sales and Service Company (collectively, the "Guarantors"), which are wholly owned subsidiaries of the company.

The Notes and the guarantees constitute senior unsecured obligations of the company and the Guarantors, respectively. The Notes and the guarantees, respectively, are: (a) equal in right of payment with all of the company’s and the Guarantors’ senior debt, without giving effect to collateral arrangements; (b) senior in right of payment to all of the company’s and the Guarantors’ future subordinated debt, if any; (c) effectively subordinated in right of payment to all of the company’s and the Guarantors’ debt and obligations that are secured, including borrowings under the company’s senior secured credit facilities for so long as the senior secured credit facilities are secured, to the extent of the value of the assets securing such liens; and (d) structurally subordinated in right of payment to all liabilities (including trade payables) of the company’s and the Guarantors’ subsidiaries that do not guarantee the Notes.

The following condensed consolidated financial information presents the Condensed Consolidated Statements of Operations and the Condensed Consolidated Statements of Comprehensive Income for each of the three and nine months ended September 30, 2018 and September 30, 2017, the related Condensed Consolidated Balance Sheets as of September 30, 2018 and December 31, 2017, and the related Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2018 and September 30, 2017, of Tennant Company ("Parent"), the Guarantor Subsidiaries on a combined basis, the Non-Guarantor Subsidiaries on a combined basis and elimination entries necessary to consolidate the Parent with the Guarantor and Non-Guarantor Subsidiaries. The following condensed consolidated financial statements should be read in conjunction with the consolidated financial statements of the company and notes thereto of which this note is an integral part.

Condensed Consolidated Statement of Operations
For the three months ended September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Sales	$	126,110		$	160,226		$	131,418		$	(144,499	)	$	273,255
Cost of Sales	86,781			135,058			87,707			(144,376		)	165,170
Gross Profit	39,329			25,168			43,711			(123		)	108,085
Operating Expense:
Research and Development Expense	6,096			279			1,131			—			7,506
Selling and Administrative Expense	26,765			18,091			39,473			811			85,140
Total Operating Expense	32,861			18,370			40,604			811			92,646
Profit from Operations	6,468			6,798			3,107			(934		)	15,439
Other Income (Expense):
Equity in Earnings of Affiliates	5,256			262			205			(5,723		)	—
Interest (Expense) Income, Net	(5,230		)	—			92			(9		)	(5,147		)
Intercompany Interest Income (Expense)	3,621			(1,450		)	(2,171		)	—			—
Net Foreign Currency Transaction (Losses) Gains	(69		)	4			(230		)	—			(295		)
Other Expense, Net	(179		)	(473		)	(263		)	785			(130		)
Total Other Income (Expense), Net	3,399			(1,657		)	(2,367		)	(4,947		)	(5,572		)
Profit Before Income Taxes	9,867			5,141			740			(5,881		)	9,867
Income Tax Expense (Benefit)	158			1,230			(865		)	(365		)	158
Net Earnings Including Noncontrolling Interest	9,709			3,911			1,605			(5,516		)	9,709
Net Earnings Attributable to Noncontrolling Interest	33			—			33			(33		)	33
Net Earnings Attributable to Tennant Company	$	9,676		$	3,911		$	1,572		$	(5,483	)	$	9,676

Condensed Consolidated Statement of Operations
For the nine months ended September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Sales	$	366,093		$	472,524		$	422,887		$	(423,205	)	$	838,299
Cost of Sales	249,065			395,327			278,207			(421,821		)	500,778
Gross Profit	117,028			77,197			144,680			(1,384		)	337,521
Operating Expense:
Research and Development Expense	18,625			825			3,958			—			23,408
Selling and Administrative Expense	84,478			57,151			126,833			811			269,273
Total Operating Expense	103,103			57,976			130,791			811			292,681
Profit from Operations	13,925			19,221			13,889			(2,195		)	44,840
Other Income (Expense):
Equity in Earnings of Affiliates	19,657			1,356			4,234			(25,247		)	—
Interest (Expense) Income, Net	(15,726		)	—			558			(28		)	(15,196		)
Intercompany Interest Income (Expense)	10,989			(4,308		)	(6,681		)	—			—
Net Foreign Currency Transaction Losses	(354		)	(2		)	(1,025		)	—			(1,381		)
Other (Expense) Income, Net	(1,118		)	(1,610		)	1,113			725			(890		)
Total Other Income (Expense), Net	13,448			(4,564		)	(1,801		)	(24,550		)	(17,467		)
Profit Before Income Taxes	27,373			14,657			12,088			(26,745		)	27,373
Income Tax Expense	1,598			3,520			705			(4,225		)	1,598
Net Earnings Including Noncontrolling Interest	25,775			11,137			11,383			(22,520		)	25,775
Net Earnings Attributable to Noncontrolling Interest	81			—			81			(81		)	81
Net Earnings Attributable to Tennant Company	$	25,694		$	11,137		$	11,302		$	(22,439	)	$	25,694

Condensed Consolidated Statement of Operations
For the three months ended September 30, 2017
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Sales	$	111,835		$	146,495		$	131,457		$	(127,866	)	$	261,921
Cost of Sales	76,974			120,523			88,411			(128,591		)	157,317
Gross Profit	34,861			25,972			43,046			725			104,604
Operating Expense:
Research and Development Expense	6,312			86			1,509			—			7,907
Selling and Administrative Expense	23,498			19,074			43,139			—			85,711
Total Operating Expense	29,810			19,160			44,648			—			93,618
Profit (Loss) from Operations	5,051			6,812			(1,602		)	725			10,986
Other Income (Expense):
Equity in Earnings of Affiliates	2,039			376			—			(2,415		)	—
Interest Expense, Net	(5,275		)	—			(111		)	(9		)	(5,395		)
Intercompany Interest Income (Expense)	3,774			(1,455		)	(2,319		)	—			—
Net Foreign Currency Transaction Gains (Losses)	357			2			(1,201		)	—			(842		)
Other (Expense) Income, Net	(1,619		)	(204		)	1,424			(23		)	(422		)
Total Other Expense, Net	(724		)	(1,281		)	(2,207		)	(2,447		)	(6,659		)
Profit (Loss) Before Income Taxes	4,327			5,531			(3,809		)	(1,722		)	4,327
Income Tax Expense	731			2,034			2,819			(4,853		)	731
Net Earnings (Loss) Including Noncontrolling Interest	3,596			3,497			(6,628		)	3,131			3,596
Net Earnings Attributable to Noncontrolling Interest	37			—			37			(37		)	37
Net Earnings (Loss) Attributable to Tennant Company	$	3,559		$	3,497		$	(6,665	)	$	3,168		$	3,559

Condensed Consolidated Statement of Operations
For the nine months ended September 30, 2017
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Sales	$	337,034		$	442,090		$	331,491		$	(386,844	)	$	723,771
Cost of Sales	230,753			363,034			228,838			(387,748		)	434,877
Gross Profit	106,281			79,056			102,653			904			288,894
Operating Expense:
Research and Development Expense	20,838			245			3,156			—			24,239
Selling and Administrative Expense	85,697			58,881			102,415			—			246,993
Total Operating Expense	106,535			59,126			105,571			—			271,232
(Loss) Profit from Operations	(254		)	19,930			(2,918		)	904			17,662
Other Income (Expense):
Equity in Earnings of Affiliates	7,493			1,500			—			(8,993		)	—
Interest Expense, Net	(16,866		)	—			(257		)	(22		)	(17,145		)
Intercompany Interest Income (Expense)	8,742			(4,323		)	(4,419		)	—			—
Net Foreign Currency Transaction Gains (Losses)	553			—			(2,928		)	—			(2,375		)
Other (Expense) Income, Net	(2,300		)	(430		)	2,014			(58		)	(774		)
Total Other Expense, Net	(2,378		)	(3,253		)	(5,590		)	(9,073		)	(20,294		)
(Loss) Profit Before Income Taxes	(2,632		)	16,677			(8,508		)	(8,169		)	(2,632		)
Income Tax Expense	385			5,993			5,481			(11,474		)	385
Net (Loss) Earnings Including Noncontrolling Interest	(3,017		)	10,684			(13,989		)	3,305			(3,017		)
Net Loss Attributable to Noncontrolling Interest	(28		)	—			(28		)	28			(28		)
Net (Loss) Earnings Attributable to Tennant Company	$	(2,989	)	$	10,684		$	(13,961	)	$	3,277		$	(2,989	)

Condensed Consolidated Statement of Comprehensive Income
For the three months ended September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries		Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Earnings Including Noncontrolling Interest	$	9,709		$	3,911	$	1,605		$	(5,516	)	$	9,709
Other Comprehensive Loss:
Foreign currency translation adjustments	(3,110		)	228		(3,664		)	3,436			(3,110		)
Pension and retiree medical benefits	12			—		—			—			12
Cash flow hedge	(28		)	—		—			—			(28		)
Income Taxes:
Foreign currency translation adjustments	280			—		280			(280		)	280
Pension and retiree medical benefits	(2		)	—		—			—			(2		)
Cash flow hedge	6			—		—			—			6
Total Other Comprehensive Loss, net of tax	(2,842		)	228		(3,384		)	3,156			(2,842		)
Total Comprehensive Income (Loss) Including Noncontrolling Interest	6,867			4,139		(1,779		)	(2,360		)	6,867
Comprehensive Income Attributable to Noncontrolling Interest	33			—		33			(33		)	33
Comprehensive Income (Loss) Attributable to Tennant Company	$	6,834		$	4,139	$	(1,812	)	$	(2,327	)	$	6,834

Condensed Consolidated Statement of Comprehensive Income
For the nine months ended September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Earnings Including Noncontrolling Interest	$	25,775		$	11,137		$	11,383		$	(22,520	)	$	25,775
Other Comprehensive Loss:
Foreign currency translation adjustments	(14,202		)	(262		)	(20,103		)	20,365			(14,202		)
Pension and retiree medical benefits	105			—			19			(19		)	105
Cash flow hedge	(1,367		)	—			—			—			(1,367		)
Income Taxes:
Foreign currency translation adjustments	524			—			524			(524		)	524
Pension and retiree medical benefits	(156		)	—			—			—			(156		)
Cash flow hedge	(814		)	—			—			—			(814		)
Total Other Comprehensive Loss, net of tax	(15,910		)	(262		)	(19,560		)	19,822			(15,910		)
Total Comprehensive Income (Loss) Including Noncontrolling Interest	9,865			10,875			(8,177		)	(2,698		)	9,865
Comprehensive Income Attributable to Noncontrolling Interest	81			—			81			(81		)	81
Comprehensive Income (Loss) Attributable to Tennant Company	$	9,784		$	10,875		$	(8,258	)	$	(2,617	)	$	9,784

Condensed Consolidated Statement of Comprehensive Income
For the three months ended September 30, 2017
(in thousands)	Parent			Guarantor Subsidiaries		Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Earnings (Loss) Including Noncontrolling Interest	$	3,596		$	3,497	$	(6,628	)	$	3,131		$	3,596
Other Comprehensive Income (Loss):
Foreign currency translation adjustments	9,033			289		9,221			(9,510		)	9,033
Pension and retiree medical benefits	379			—		10			(10		)	379
Cash flow hedge	(1,732		)	—		—			—			(1,732		)
Income Taxes:
Foreign currency translation adjustments	—			—		—			—			—
Pension and retiree medical benefits	(138		)	—		—			—			(138		)
Cash flow hedge	646			—		—			—			646
Total Other Comprehensive Income, net of tax	8,188			289		9,231			(9,520		)	8,188
Total Comprehensive Income Including Noncontrolling Interest	11,784			3,786		2,603			(6,389		)	11,784
Comprehensive Income Attributable to Noncontrolling Interest	37			—		37			(37		)	37
Comprehensive Income Attributable to Tennant Company	$	11,747		$	3,786	$	2,566		$	(6,352	)	$	11,747

Condensed Consolidated Statement of Comprehensive Income
For the nine months ended September 30, 2017
(in thousands)	Parent			Guarantor Subsidiaries		Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net (Loss) Earnings Including Noncontrolling Interest	$	(3,017	)	$	10,684	$	(13,989	)	$	3,305		$	(3,017	)
Other Comprehensive Income (Loss):
Foreign currency translation adjustments	25,073			693		1,330			(2,023		)	25,073
Pension and retiree medical benefits	541			—		151			(151		)	541
Cash flow hedge	(6,311		)	—		—			—			(6,311		)
Income Taxes:
Foreign currency translation adjustments	—			—		—			—			—
Pension and retiree medical benefits	(160		)	—		(15		)	15			(160		)
Cash flow hedge	2,354			—		—			—			2,354
Total Other Comprehensive Income, net of tax	21,497			693		1,466			(2,159		)	21,497
Total Comprehensive Income (Loss) Including Noncontrolling Interest	18,480			11,377		(12,523		)	1,146			18,480
Comprehensive (Loss) Income Attributable to Noncontrolling Interest	(28		)	—		(28		)	28			(28		)
Comprehensive Income (Loss) Attributable to Tennant Company	$	18,508		$	11,377	$	(12,495	)	$	1,118		$	18,508

Condensed Consolidated Balance Sheet
As of September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
ASSETS
Current Assets:
Cash and Cash Equivalents	$	18,082		$	668		$	34,723		$	—		$	53,473
Restricted Cash	—			—			534			—			534
Net Receivables	494			93,464			114,161			—			208,119
Intercompany Receivables	31,488			142,708			—			(174,196		)	—
Inventories	35,858			15,118			99,220			(10,403		)	139,793
Prepaid Expenses	17,673			705			9,978			—			28,356
Other Current Assets	4,691			340			3,834			—			8,865
Total Current Assets	108,286			253,003			262,450			(184,599		)	439,140
Property, Plant and Equipment	228,237			12,533			140,673			—			381,443
Accumulated Depreciation	(156,476		)	(6,459		)	(54,690		)	—			(217,625		)
Property, Plant and Equipment, Net	71,761			6,074			85,983			—			163,818
Deferred Income Taxes	3,127			3,078			8,857			—			15,062
Investment in Affiliates	403,903			12,133			18,487			(434,523		)	—
Intercompany Loans	303,670			—			3,997			(307,667		)	—
Goodwill	12,870			1,726			170,023			—			184,619
Intangible Assets, Net	4,210			2,738			146,026			—			152,974
Other Assets	6,057			—			8,896			—			14,953
Total Assets	$	913,884		$	278,752		$	704,719		$	(926,789	)	$	970,566
LIABILITIES AND TOTAL EQUITY
Current Liabilities:
Current Portion of Long-Term Debt	$	29,705		$	—		$	1,294		$	—		$	30,999
Accounts Payable	34,447			6,727			49,604			—			90,778
Intercompany Payables	143,095			—			31,101			(174,196		)	—
Employee Compensation and Benefits	10,588			12,873			18,696			—			42,157
Income Taxes Payable	469			—			2,801			(298		)	2,972
Other Current Liabilities	28,216			14,348			28,980			298			71,842
Total Current Liabilities	246,520			33,948			132,476			(174,196		)	238,748
Long-Term Liabilities:
Long-Term Debt	315,277			—			1,660			—			316,937
Intercompany Loans	3,997			128,000			175,670			(307,667		)	—
Employee-Related Benefits	11,519			1,916			8,393			—			21,828
Deferred Income Taxes	—			—			48,491			—			48,491
Other Liabilities	27,488			3,336			4,655			—			35,479
Total Long-Term Liabilities	358,281			133,252			238,869			(307,667		)	422,735
Total Liabilities	604,801			167,200			371,345			(481,863		)	661,483
Equity:
Common Stock	6,796			—			11,131			(11,131		)	6,796
Additional Paid-In Capital	26,087			77,551			388,216			(465,767		)	26,087
Retained Earnings	312,539			34,932			(9,916		)	(25,016		)	312,539
Accumulated Other Comprehensive Loss	(38,233		)	(931		)	(57,951		)	58,882			(38,233		)
Total Tennant Company Shareholders' Equity	307,189			111,552			331,480			(443,032		)	307,189
Noncontrolling Interest	1,894			—			1,894			(1,894		)	1,894
Total Equity	309,083			111,552			333,374			(444,926		)	309,083
Total Liabilities and Total Equity	$	913,884		$	278,752		$	704,719		$	(926,789	)	$	970,566

Condensed Consolidated Balance Sheet
As of December 31, 2017
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
ASSETS
Current Assets:
Cash and Cash Equivalents	$	18,469		$	507		$	39,422		$	—		$	58,398
Restricted Cash	—			—			653			—			653
Net Receivables	683			88,629			120,204			—			209,516
Intercompany Receivables	53,444			133,778			—			(187,222		)	—
Inventories	29,450			12,695			94,542			(8,993		)	127,694
Prepaid Expenses	8,774			1,172			9,405			—			19,351
Other Current Assets	4,030			—			3,473			—			7,503
Total Current Assets	114,850			236,781			267,699			(196,215		)	423,115
Property, Plant and Equipment	225,064			12,155			145,549			—			382,768
Accumulated Depreciation	(146,320		)	(6,333		)	(50,097		)	—			(202,750		)
Property, Plant and Equipment, Net	78,744			5,822			95,452			—			180,018
Deferred Income Taxes	1,308			2,669			7,157			—			11,134
Investment in Affiliates	392,486			11,273			20,811			(424,570		)	—
Intercompany Loans	304,822			—			4,983			(309,805		)	—
Goodwill	12,869			1,739			171,436			—			186,044
Intangible Assets, Net	2,105			2,898			167,344			—			172,347
Other Assets	10,363			—			10,956			—			21,319
Total Assets	$	917,547		$	261,182		$	745,838		$	(930,590	)	$	993,977
LIABILITIES AND TOTAL EQUITY
Current Liabilities:
Current Portion of Long-Term Debt	$	29,413		$	—		$	1,470		$	—		$	30,883
Accounts Payable	39,927			3,018			53,137			—			96,082
Intercompany Payables	133,778			1,963			51,481			(187,222		)	—
Employee Compensation and Benefits	8,311			10,355			18,591			—			37,257
Income Taxes Payable	366			—			2,472			—			2,838
Other Current Liabilities	20,183			15,760			33,504			—			69,447
Total Current Liabilities	231,978			31,096			160,655			(187,222		)	236,507
Long-Term Liabilities:
Long-Term Debt	344,147			—			1,809			—			345,956
Intercompany Loans	—			128,000			181,805			(309,805		)	—
Employee-Related Benefits	11,160			3,992			8,715			—			23,867
Deferred Income Taxes	—			—			53,225			—			53,225
Other Liabilities	31,788			2,483			1,677			—			35,948
Total Long-Term Liabilities	387,095			134,475			247,231			(309,805		)	458,996
Total Liabilities	619,073			165,571			407,886			(497,027		)	695,503
Equity:
Common Stock	6,705			—			11,131			(11,131		)	6,705
Additional Paid-In Capital	15,089			72,483			384,460			(456,943		)	15,089
Retained Earnings	297,032			23,797			(21,219		)	(2,578		)	297,032
Accumulated Other Comprehensive Loss	(22,323		)	(669		)	(38,391		)	39,060			(22,323		)
Total Tennant Company Shareholders' Equity	296,503			95,611			335,981			(431,592		)	296,503
Noncontrolling Interest	1,971			—			1,971			(1,971		)	1,971
Total Equity	298,474			95,611			337,952			(433,563		)	298,474
Total Liabilities and Total Equity	$	917,547		$	261,182		$	745,838		$	(930,590	)	$	993,977

Condensed Consolidated Statement of Cash Flows
For the nine months ended September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
OPERATING ACTIVITIES
Net Cash Provided by (Used in) Operating Activities	$	43,661		$	219		$	(411	)	$	—		$	43,469
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	(4,505		)	(58		)	(8,205		)	—			(12,768		)
Proceeds from Disposals of Property, Plant and Equipment	20			—			88			—			108
Proceeds from Principal Payments Received on Long-Term Note Receivable	—			—			828			—			828
Proceeds from Sale of Business	—			—			4,000			—			4,000
Purchase of Intangible Assets	(2,500		)	—			(107		)	—			(2,607		)
Change in Investments in Subsidiaries	(1,817		)	—			—			1,817			—
Loan Payments from Subsidiaries	1,218			—			—			(1,218		)	—
Loan Payments from Parent	—			—			986			(986		)	—
Net Cash Used in Investing Activities	(7,584		)	(58		)	(2,410		)	(387		)	(10,439		)
FINANCING ACTIVITIES
Payments of Long-Term Debt	(30,000		)	—			(216		)	—			(30,216		)
Change in Capital Lease Obligations	—			—			7			—			7
Change in Subsidiary Equity	—			—			1,817			(1,817		)	—
Loan Payments to Parent	—			—			(1,218		)	1,218			—
Loan Payments to Subsidiaries	(986		)	—			—			986			—
Proceeds from Issuances of Common Stock	5,735			—			—			—			5,735
Dividends Paid	(11,356		)	—			—			—			(11,356		)
Net Cash (Used in) Provided by Financing Activities	(36,607		)	—			390			387			(35,830		)
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	143			—			(2,387		)	—			(2,244		)
Net (Decrease) Increase in Cash, Cash Equivalents and Restricted Cash	(387		)	161			(4,818		)	—			(5,044		)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	18,469			507			40,075			—			59,051
Cash, Cash Equivalents and Restricted Cash at End of Period	$	18,082		$	668		$	35,257		$	—		$	54,007

Condensed Consolidated Statement of Cash Flows
For the nine months ended September 30, 2017
(in thousands)	Parent			Guarantor Subsidiaries		Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
OPERATING ACTIVITIES
Net Cash (Used in) Provided by Operating Activities	$	(555	)	$	798	$	31,880		$	—		$	32,123
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	(7,400		)	—		(8,839		)	—			(16,239		)
Proceeds from Disposals of Property, Plant and Equipment	17			—		2,439			—			2,456
Proceeds from Principal Payments Received on Long-Term Note Receivable	—			—		500			—			500
Issuance of Long-Term Note Receivable	—			—		(1,500		)	—			(1,500		)
Acquisition of Businesses, Net of Cash Acquired	(304		)	—		(353,231		)	—			(353,535		)
Purchase of Intangible Asset	(2,500		)	—		—			—			(2,500		)
Change in Investments in Subsidiaries	(193,639		)	—		—			193,639			—
Loan (Payments) Borrowings from Subsidiaries	(159,780		)	—		—			159,780			—
Net Cash Used in Investing Activities	(363,606		)	—		(360,631		)	353,419			(370,818		)
FINANCING ACTIVITIES
Proceeds from Short-Term Debt	300,000			—		—			—			300,000
Repayments of Short-Term Debt	(300,000		)	—		—			—			(300,000		)
Loan Borrowings (Payments) from Parent	—			—		159,780			(159,780		)	—
Change in Subsidiary Equity	—			—		193,639			(193,639		)	—
Proceeds from Issuance of Long-Term Debt	440,000			—		—			—			440,000
Payments of Long-Term Debt	(81,143		)	—		(119		)	—			(81,262		)
Payments of Debt Issuance Costs	(16,465		)	—		—			—			(16,465		)
Proceeds from Issuance of Common Stock	4,728			—		—			—			4,728
Dividends Paid	(11,204		)	—		—			—			(11,204		)
Net Cash Provided by Financing Activities	335,916			—		353,300			(353,419		)	335,797
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	(68		)	—		1,655			—			1,587
Net (Decrease) Increase in Cash, Cash Equivalents and Restricted Cash	(28,313		)	798		26,204			—			(1,311		)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	38,484			226		19,840			—			58,550
Cash, Cash Equivalents and Restricted Cash at End of Period	$	10,171		$	1,024	$	46,044		$	—		$	57,239

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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2018

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation – The accompanying unaudited Condensed Consolidated Financial Statements have been prepared in accordance with the Securities and Exchange Commission (“SEC”) requirements for interim reporting, which allows certain footnotes and other financial information normally required by accounting principles generally accepted in the United States of America to be condensed or omitted. In our opinion, the Condensed Consolidated Financial Statements contain all adjustments (consisting of only normal recurring adjustments) necessary for the fair presentation of our financial position and results of operations.

These statements should be read in conjunction with the Consolidated Financial Statements and Notes included in our annual report on Form 10-K for the year ended December 31, 2017. The results of operations for interim periods are not necessarily indicative of the results to be expected for the full year.

Revenue Recognition

Revenue Recognition – Revenue is recognized upon transfer of control of promised products or services to customers in an amount that reflects the consideration we expect to receive in exchange for those products and services. Generally, these criteria are met at the time the product is shipped.

We also enter into contracts that can include combinations of products and services, which are generally capable of being distinct and are accounted for as separate performance obligations. Revenue is recognized net of allowances for returns and any taxes collected from customers, which are subsequently remitted to governmental authorities.

Further details regarding revenue recognition are discussed in Notes 2 and 3.

New Accounting Pronouncements

New Accounting Pronouncements – Further details regarding the adoption of new accounting standards are discussed in Note 2.

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Newly Adopted Accounting Pronouncements (Tables)

9 Months Ended

Sep. 30, 2018

Accounting Changes and Error Corrections [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

The reclassification from Accounts Receivable to Other Current Liabilities in accordance with the detail described above impacted the Condensed Consolidated Balance Sheet as of September 30, 2018, as follows (in thousands):

	As Reported		Balances Without Adoption of ASC 606		Effect of Change Higher/(Lower)
ASSETS
Accounts Receivable	$	208,119	$	206,960	$	1,159
Total Current Assets	439,140		437,981		1,159
Total Assets	$	970,566	$	969,407	$	1,159
LIABILITIES
Other Current Liabilities	$	71,842	$	70,683	$	1,159
Total Current Liabilities	238,748		237,589		1,159
Total Liabilities	$	661,483	$	660,324	$	1,159

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Revenue from Contracts with Customers (Tables)

9 Months Ended

Sep. 30, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

The following tables illustrate the disaggregation of revenue by geographic area, groups of similar products and services and sales channels for the three and nine months ended September 30, 2018 and 2017 (in thousands):

Net Sales by geographic area

	Three Months Ended				Nine Months Ended
	September 30				September 30
	2018		2017		2018		2017
Americas	$	175,341	$	161,037	$	516,731	$	472,953
Europe, Middle East and Africa	74,254		78,851		250,480		189,483
Asia Pacific	23,660		22,033		71,088		61,335
Total	$	273,255	$	261,921	$	838,299	$	723,771

Net Sales are attributed to each geographic area based on the end user country and are net of intercompany sales.

Net Sales by groups of similar products and services

	Three Months Ended				Nine Months Ended
	September 30				September 30
	2018		2017		2018		2017
Equipment	$	178,165	$	165,203	$	542,317	$	455,311
Parts and Consumables	53,639		53,535		168,491		149,260
Specialty Surface Coatings	7,139		8,007		21,434		22,491
Service and Other	34,312		35,176		106,057		96,709
Total	$	273,255	$	261,921	$	838,299	$	723,771

Net Sales by sales channel

	Three Months Ended				Nine Months Ended
	September 30				September 30
	2018		2017		2018		2017
Sales Direct to Consumer	$	180,901	$	172,484	$	547,079	$	490,533
Sales to Distributors	92,354		89,437		291,220		233,238
Total	$	273,255	$	261,921	$	838,299	$	723,771

Contract with Customer, Asset and Liability [Table Text Block]

The change in our sales incentive accrual balance for the nine months ended September 30, 2018 was as follows:

	Nine Months Ended
	September 30
	2018
Beginning balance	$	13,466
Additions to sales incentive accrual	22,078
Contract payments	(21,677		)
Foreign currency fluctuations	(239		)
Ending balance	$	13,628

Deferred Revenue, by Arrangement, Disclosure [Table Text Block]

The change in the deferred revenue balance for the nine months ended September 30, 2018 was as follows:

	Nine Months Ended
	September 30
	2018
Beginning balance	$	7,787
Increase in deferred revenue representing our obligation to satisfy future performance obligations	11,032
Decrease in deferred revenue for amounts recognized in Net Sales for satisfied performance obligations	(10,475		)
Foreign currency fluctuations	(140		)
Ending balance	$	8,204

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

At September 30, 2018, $5,064 and $3,140 of deferred revenue was reported in Other Current Liabilities and Other Liabilities, respectively, on our Condensed Consolidated Balance Sheets. Of this, we expect to recognize the following approximate amounts in Net Sales in the following periods:

Remaining 2018	$	2,502
2019	2,958
2020	1,595
2021	692
2022	381
Thereafter	76
Total	$	8,204

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Management Actions (Tables)

9 Months Ended

Sep. 30, 2018

Restructuring and Related Activities [Abstract]

Reconciliation of beginning and ending liability balances

A reconciliation of the beginning and ending liability balances is as follows:

	Severance and Related Costs
2017 restructuring actions	$	9,558
Cash payments	(6,312		)
Foreign currency adjustments	190
December 31, 2017 balance	$	3,436
2018 utilization:
Cash payments	(1,694		)
Foreign currency adjustments	(64		)
September 30, 2018 balance	$	1,678

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Acquisitions and Divestitures (Tables)

9 Months Ended

Sep. 30, 2018

Sep. 30, 2017

Business Combinations [Abstract]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The following table summarizes the final fair value measurement of the assets acquired and liabilities assumed as of the date of acquisition:

ASSETS
Receivables	$	39,984
Inventories	46,442
Other Current Assets	7,456
Assets Held for Sale	2,247
Property, Plant and Equipment	63,890
Intangible Assets Subject to Amortization:
Trade Name	26,753
Customer Lists	123,061
Technology	9,631
Other Assets	2,000
Total Identifiable Assets Acquired	321,464
LIABILITIES
Accounts Payable	32,227
Accrued Expenses	18,130
Deferred Income Taxes	56,950
Other Liabilities	10,964
Total Identifiable Liabilities Assumed	118,271
Net Identifiable Assets Acquired	203,193
Noncontrolling Interest	(1,896		)
Goodwill	152,472
Total Purchase Price, net of Cash Acquired	$	353,769

Schedule of Pro Forma Financial Information

The following unaudited pro forma financial information presents the combined results of operations of Tennant Company as if the 2017 acquisition of the IPC Group had occurred as of January 1, 2016. The unaudited pro forma financial information is presented for informational purposes only. It is not necessarily indicative of what our consolidated results of operations actually would have been had the acquisition occurred at the beginning of fiscal 2016. No pro forma results are presented for the three or nine months ended September 30, 2018, as the results of the acquired company are included in the actual results.

Pro Forma Financial Information (Unaudited)
	Three Months Ended		Nine Months Ended
(In thousands, except per share data)	September 30		September 30
	2017		2017
Net Sales
Pro forma	$	261,921	$	777,832
As reported	261,921		723,771
Net Earnings (Loss) Attributable to Tennant Company
Pro forma	$	5,800	$	14,875
As reported	3,559		(2,989		)
Net Earnings (Loss) Attributable to Tennant Company per Share
Pro forma	$	0.32	$	0.84
As reported	0.20		(0.17		)

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Inventories (Tables)

9 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Inventories

Inventories are valued at the lower of cost or market. Inventories at September 30, 2018 and December 31, 2017 consisted of the following:

	September 30, 2018			December 31, 2017
Inventories carried at LIFO:
Finished goods	$	48,471		$	43,439
Raw materials, production parts and work-in-process	28,994			23,694
LIFO reserve	(30,668		)	(28,429		)
Total LIFO inventories	46,797			38,704
Inventories carried at FIFO:
Finished goods	53,138			54,161
Raw materials, production parts and work-in-process	39,858			34,829
Total FIFO inventories	92,996			88,990
Total inventories	$	139,793		$	127,694

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Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying value of Goodwill

The changes in the carrying value of Goodwill for the nine months ended September 30, 2018 were as follows:

	Goodwill			Accumulated Impairment Losses			Total
Balance as of December 31, 2017	$	227,224		$	(41,180	)	$	186,044
Purchase accounting adjustments	4,627			—			4,627
Foreign currency fluctuations	(7,542		)	1,490			(6,052		)
Balance as of September 30, 2018	$	224,309		$	(39,690	)	$	184,619

Acquired Intangible Assets excluding Goodwill

The balances of acquired Intangible Assets, excluding Goodwill, as of September 30, 2018 and December 31, 2017, were as follows:

	Customer Lists			Trade Names			Technology			Total
Balance as of September 30, 2018
Original cost	$	144,760		$	30,945		$	17,134		$	192,839
Accumulated amortization	(29,908		)	(4,631		)	(5,326		)	(39,865		)
Carrying value	$	114,852		$	26,314		$	11,808		$	152,974
Weighted average original life (in years)	15			10			11
Balance as of December 31, 2017
Original cost	$	149,355		$	31,968		$	14,589		$	195,912
Accumulated amortization	(17,870		)	(2,436		)	(3,259		)	(23,565		)
Carrying value	$	131,485		$	29,532		$	11,330		$	172,347
Weighted average original life (in years)	15			10			11

Estimated aggregate amortization expense of Intangible Assets

Estimated aggregate amortization expense based on the current carrying value of amortizable Intangible Assets for each of the five succeeding years and thereafter is as follows:

Remaining 2018	$	5,456
2019	21,268
2020	19,827
2021	18,244
2022	15,965
Thereafter	72,214
Total	$	152,974

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Debt (Tables)

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Summary of Outstanding Debt

Debt outstanding at September 30, 2018 and December 31, 2017 consisted of the following:

	September 30, 2018			December 31, 2017
Long-Term Debt:
Senior unsecured notes	$	300,000		$	300,000
Credit facility borrowings	50,000			80,000
Capital lease obligations	2,955			3,279
Total Long-Term Debt	352,955			383,279
Less: unamortized debt issuance costs	(5,020		)	(6,440		)
Less: current maturities of credit facility borrowings, net of debt issuance costs(1)	(29,704		)	(29,413		)
Less: current maturities of capital lease obligations(1)	(1,294		)	(1,470		)
Long-term portion	$	316,937		$	345,956

⁽¹⁾  Current maturities of long-term debt include $30,000 of current maturities, less $296 of unamortized debt issuance costs, under our 2017 Credit Agreement and $1,294 of current maturities of capital lease obligations.

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Warranty (Tables)

9 Months Ended

Sep. 30, 2018

Product Warranties Disclosures [Abstract]

Changes in warranty reserve

The changes in warranty reserves for the nine months ended September 30, 2018 and 2017 were as follows:

	Nine Months Ended
	September 30
	2018			2017
Beginning balance	$	12,676		$	10,960
Additions charged to expense	10,883			8,879
Acquired warranty obligations	—			384
Foreign currency fluctuations	(193		)	225
Claims paid	(9,805		)	(8,912		)
Ending balance	$	13,561		$	11,536

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Derivatives (Tables)

9 Months Ended

Sep. 30, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of derivative instruments on our Condensed Consolidated Balance Sheets

The fair value of derivative instruments on our Condensed Consolidated Balance Sheets as of September 30, 2018 and December 31, 2017 was as follows:

	September 30, 2018				December 31, 2017
	Fair Value Asset Derivatives		Fair Value Liability Derivatives		Fair Value Asset Derivatives		Fair Value Liability Derivatives
Derivatives designated as hedging instruments:
Foreign currency option contracts(1)	$	113	$	—	$	86	$	—
Foreign currency forward contracts(1)	7,038		29,868		7,218		34,961
Derivatives not designated as hedging instruments:
Foreign currency forward contracts(1)	$	653	$	358	$	442	$	425

⁽¹⁾  Contracts that mature within the next 12 months are included in Other Current Assets and Other Current Liabilities for asset derivatives and liability derivatives, respectively, on our Condensed Consolidated Balance Sheets. Contracts with maturities greater than 12 months are included in Other Assets and Other Liabilities for asset derivatives and liability derivatives, respectively, in our Condensed Consolidated Balance Sheets. Amounts included in our Condensed Consolidated Balance Sheets are recorded net where a right of offset exists with the same derivative counterparty.

Derivative Instruments, Gain (Loss) [Table Text Block]

The effect of foreign currency derivative instruments designated as cash flow hedges and of foreign currency derivative instruments not designated as hedges in our Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2018 was as follows:

	Three Months Ended						Nine Months Ended
	September 30, 2018						September 30, 2018
	Foreign Currency Option Contracts			Foreign Currency Forward Contracts			Foreign Currency Option Contracts			Foreign Currency Forward Contracts
Derivatives in cash flow hedging relationships:
Net (loss) gain recognized in Other Comprehensive (Loss) Income, net of tax(1)	$	(89	)	$	1,253		$	(40	)	$	4,929
Net loss reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Sales	(7		)	(33		)	(91		)	(34		)
Net gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Interest Income	—			487			—			1,345
Net gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Foreign Currency Transaction Losses	—			739			—			4,724
Net (loss) gain recognized in earnings(2)	(5		)	2			3			8
Derivatives not designated as hedging instruments:
Net (loss) gain recognized in earnings(3)	$	—		$	(658	)	$	—		$	1,174

The effect of foreign currency derivative instruments designated as cash flow hedges and of foreign currency derivative instruments not designated as hedges in our Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2017 was as follows:

	Three Months Ended						Nine Months Ended
	September 30, 2017						September 30, 2017
	Foreign Currency Option Contracts			Foreign Currency Forward Contracts			Foreign Currency Option Contracts			Foreign Currency Forward Contracts
Derivatives in cash flow hedging relationships:
Net loss recognized in Other Comprehensive (Loss) Income, net of tax(1)	$	(40	)	$	(4,492	)	$	(177	)	$	(14,026	)
Net (loss) gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Sales	(141		)	26			(140		)	(76		)
Net gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Interest Income	—			374			—			823
Net loss reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Foreign Currency Transaction Losses	—			(3,705		)	—			(10,853		)
Net (loss) gain recognized in earnings(2)	(7		)	3			(12		)	8
Derivatives not designated as hedging instruments:
Net loss recognized in earnings(3)	$	—		$	(2,062	)	$	(1,132	)	$	(7,369	)

⁽¹⁾  Net change in the fair value of the effective portion classified in Other Comprehensive (Loss) Income.

⁽²⁾  Ineffective portion and amount excluded from effectiveness testing classified in Net Foreign Currency Transaction Losses.

⁽³⁾  Classified in Net Foreign Currency Transaction Losses.

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Fair value measurements of assets and liabilities

Our population of assets and liabilities subject to fair value measurements at September 30, 2018 is as follows:

	Fair Value		Level 1		Level 2		Level 3
Assets:
Foreign currency forward exchange contracts	$	7,691	$	—	$	7,691	$	—
Foreign currency option contracts	113		—		113		—
Total Assets	$	7,804	$	—	$	7,804	$	—
Liabilities:
Foreign currency forward exchange contracts	$	30,226	$	—	$	30,226	$	—
Total Liabilities	$	30,226	$	—	$	30,226	$	—

Our population of assets and liabilities subject to fair value measurements at December 31, 2017 is as follows:

	Fair Value		Level 1		Level 2		Level 3
Assets:
Foreign currency forward exchange contracts	$	7,660	$	—	$	7,660	$	—
Foreign currency option contracts	86		—		86		—
Total Assets	$	7,746	$	—	$	7,746	$	—
Liabilities:
Foreign currency forward exchange contracts	$	35,386	$	—	$	35,386	$	—
Total Liabilities	$	35,386	$	—	$	35,386	$	—

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Retirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2018

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Components of net benefit cost (credit)

The components of the net benefit cost for the three and nine months ended September 30, 2018 and 2017 were as follows:

	Three Months Ended
	September 30
	Pension Benefits											Postretirement
	U.S. Plans					Non-U.S. Plans						Medical Benefits
	2018		2017			2018			2017			2018		2017
Service cost	$	—	$	—		$	33		$	124		$	6	$	6
Interest cost	10		373			82			96			70		91
Expected return on plan assets	—		(581		)	(77		)	(101		)	—		—
Amortization of net actuarial loss	13		12			—			—			—		—
Amortization of prior service cost	—		—			54			50			—		—
Foreign currency	—		—			(118		)	135			—		—
Net periodic benefit cost (credit)	23		(196		)	(26		)	304			76		97
Net benefit cost (credit)	$	23	$	(196	)	$	(26	)	$	304		$	76	$	97

	Nine Months Ended
	September 30
	Pension Benefits											Postretirement
	U.S. Plans					Non-U.S. Plans						Medical Benefits
	2018		2017			2018			2017			2018		2017
Service cost	$	—	$	—		$	105		$	172		$	34	$	46
Interest cost	32		1,153			240			315			220		272
Expected return on plan assets	—		(1,752		)	(268		)	(298		)	—		—
Amortization of net actuarial loss	37		33			—			—			—		—
Amortization of prior service cost	—		—			160			146			—		—
Foreign currency	—		—			(212		)	364			—		—
Net periodic benefit cost (credit)	69		(566		)	25			699			254		318
Settlement charge	50		205			—			—			—		—
Net benefit cost (credit)	$	119	$	(361	)	$	25		$	699		$	254	$	318

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Accumulated Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 30, 2018

Equity [Abstract]

Components of Accumulated Other Comprehensive Loss, net of tax

Components of Accumulated Other Comprehensive Loss, net of tax, within the Condensed Consolidated Balance Sheets, are as follows:

	September 30, 2018			December 31, 2017
Foreign currency translation adjustments	$	(29,456	)	$	(15,778	)
Pension and retiree medical benefits	(1,661		)	(1,610		)
Cash flow hedge	(7,116		)	(4,935		)
Total Accumulated Other Comprehensive Loss	$	(38,233	)	$	(22,323	)

Changes in components of Accumulated Other Comprehensive Loss, net of tax

The changes in components of Accumulated Other Comprehensive Loss, net of tax, are as follows:

	Foreign Currency Translation Adjustments			Pension and Post Retirement Benefits			Cash Flow Hedge			Total
December 31, 2017	$	(15,778	)	$	(1,610	)	$	(4,935	)	$	(22,323	)
Other comprehensive (loss) income before reclassifications	(13,678		)	19			4,889			(8,770		)
Amounts reclassified from Accumulated Other Comprehensive Loss	—			67			(5,944		)	(5,877		)
Adjustments to Accumulated Other Comprehensive Loss for disproportionate income tax effects recognized from the adoption of ASU 2018-02	—			(137		)	(1,126		)	(1,263		)
Net current period other comprehensive loss	(13,678		)	(51		)	(2,181		)	(15,910		)
September 30, 2018	$	(29,456	)	$	(1,661	)	$	(7,116	)	$	(38,233	)

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Earnings (Loss) Attributable to Tennant Company Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings (Loss) per Share

The computations of Basic and Diluted Earnings (Loss) per Share were as follows:

	Three Months Ended				Nine Months Ended
	September 30				September 30
	2018		2017		2018		2017
Numerator:
Net Earnings (Loss) Attributable to Tennant Company	$	9,676	$	3,559	$	25,694	$	(2,989	)
Denominator:
Basic - Weighted Average Shares Outstanding	17,998,917		17,729,857		17,911,880		17,673,656
Effect of dilutive securities:
Share-based compensation plans	440,704		441,587		432,933		—
Diluted - Weighted Average Shares Outstanding	18,439,621		18,171,444		18,344,813		17,673,656
Basic Earnings (Loss) per Share	$	0.54	$	0.20	$	1.43	$	(0.17	)
Diluted Earnings (Loss) per Share	$	0.52	$	0.20	$	1.40	$	(0.17	)

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Separate Financial Information of Guarantor Subsidiaries (Tables)

9 Months Ended

Sep. 30, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Condensed Consolidated Statements of Operations

Condensed Consolidated Statement of Operations
For the three months ended September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Sales	$	126,110		$	160,226		$	131,418		$	(144,499	)	$	273,255
Cost of Sales	86,781			135,058			87,707			(144,376		)	165,170
Gross Profit	39,329			25,168			43,711			(123		)	108,085
Operating Expense:
Research and Development Expense	6,096			279			1,131			—			7,506
Selling and Administrative Expense	26,765			18,091			39,473			811			85,140
Total Operating Expense	32,861			18,370			40,604			811			92,646
Profit from Operations	6,468			6,798			3,107			(934		)	15,439
Other Income (Expense):
Equity in Earnings of Affiliates	5,256			262			205			(5,723		)	—
Interest (Expense) Income, Net	(5,230		)	—			92			(9		)	(5,147		)
Intercompany Interest Income (Expense)	3,621			(1,450		)	(2,171		)	—			—
Net Foreign Currency Transaction (Losses) Gains	(69		)	4			(230		)	—			(295		)
Other Expense, Net	(179		)	(473		)	(263		)	785			(130		)
Total Other Income (Expense), Net	3,399			(1,657		)	(2,367		)	(4,947		)	(5,572		)
Profit Before Income Taxes	9,867			5,141			740			(5,881		)	9,867
Income Tax Expense (Benefit)	158			1,230			(865		)	(365		)	158
Net Earnings Including Noncontrolling Interest	9,709			3,911			1,605			(5,516		)	9,709
Net Earnings Attributable to Noncontrolling Interest	33			—			33			(33		)	33
Net Earnings Attributable to Tennant Company	$	9,676		$	3,911		$	1,572		$	(5,483	)	$	9,676

Condensed Consolidated Statement of Operations
For the nine months ended September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Sales	$	366,093		$	472,524		$	422,887		$	(423,205	)	$	838,299
Cost of Sales	249,065			395,327			278,207			(421,821		)	500,778
Gross Profit	117,028			77,197			144,680			(1,384		)	337,521
Operating Expense:
Research and Development Expense	18,625			825			3,958			—			23,408
Selling and Administrative Expense	84,478			57,151			126,833			811			269,273
Total Operating Expense	103,103			57,976			130,791			811			292,681
Profit from Operations	13,925			19,221			13,889			(2,195		)	44,840
Other Income (Expense):
Equity in Earnings of Affiliates	19,657			1,356			4,234			(25,247		)	—
Interest (Expense) Income, Net	(15,726		)	—			558			(28		)	(15,196		)
Intercompany Interest Income (Expense)	10,989			(4,308		)	(6,681		)	—			—
Net Foreign Currency Transaction Losses	(354		)	(2		)	(1,025		)	—			(1,381		)
Other (Expense) Income, Net	(1,118		)	(1,610		)	1,113			725			(890		)
Total Other Income (Expense), Net	13,448			(4,564		)	(1,801		)	(24,550		)	(17,467		)
Profit Before Income Taxes	27,373			14,657			12,088			(26,745		)	27,373
Income Tax Expense	1,598			3,520			705			(4,225		)	1,598
Net Earnings Including Noncontrolling Interest	25,775			11,137			11,383			(22,520		)	25,775
Net Earnings Attributable to Noncontrolling Interest	81			—			81			(81		)	81
Net Earnings Attributable to Tennant Company	$	25,694		$	11,137		$	11,302		$	(22,439	)	$	25,694

Condensed Consolidated Statement of Operations
For the three months ended September 30, 2017
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Sales	$	111,835		$	146,495		$	131,457		$	(127,866	)	$	261,921
Cost of Sales	76,974			120,523			88,411			(128,591		)	157,317
Gross Profit	34,861			25,972			43,046			725			104,604
Operating Expense:
Research and Development Expense	6,312			86			1,509			—			7,907
Selling and Administrative Expense	23,498			19,074			43,139			—			85,711
Total Operating Expense	29,810			19,160			44,648			—			93,618
Profit (Loss) from Operations	5,051			6,812			(1,602		)	725			10,986
Other Income (Expense):
Equity in Earnings of Affiliates	2,039			376			—			(2,415		)	—
Interest Expense, Net	(5,275		)	—			(111		)	(9		)	(5,395		)
Intercompany Interest Income (Expense)	3,774			(1,455		)	(2,319		)	—			—
Net Foreign Currency Transaction Gains (Losses)	357			2			(1,201		)	—			(842		)
Other (Expense) Income, Net	(1,619		)	(204		)	1,424			(23		)	(422		)
Total Other Expense, Net	(724		)	(1,281		)	(2,207		)	(2,447		)	(6,659		)
Profit (Loss) Before Income Taxes	4,327			5,531			(3,809		)	(1,722		)	4,327
Income Tax Expense	731			2,034			2,819			(4,853		)	731
Net Earnings (Loss) Including Noncontrolling Interest	3,596			3,497			(6,628		)	3,131			3,596
Net Earnings Attributable to Noncontrolling Interest	37			—			37			(37		)	37
Net Earnings (Loss) Attributable to Tennant Company	$	3,559		$	3,497		$	(6,665	)	$	3,168		$	3,559

Condensed Consolidated Statement of Operations
For the nine months ended September 30, 2017
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Sales	$	337,034		$	442,090		$	331,491		$	(386,844	)	$	723,771
Cost of Sales	230,753			363,034			228,838			(387,748		)	434,877
Gross Profit	106,281			79,056			102,653			904			288,894
Operating Expense:
Research and Development Expense	20,838			245			3,156			—			24,239
Selling and Administrative Expense	85,697			58,881			102,415			—			246,993
Total Operating Expense	106,535			59,126			105,571			—			271,232
(Loss) Profit from Operations	(254		)	19,930			(2,918		)	904			17,662
Other Income (Expense):
Equity in Earnings of Affiliates	7,493			1,500			—			(8,993		)	—
Interest Expense, Net	(16,866		)	—			(257		)	(22		)	(17,145		)
Intercompany Interest Income (Expense)	8,742			(4,323		)	(4,419		)	—			—
Net Foreign Currency Transaction Gains (Losses)	553			—			(2,928		)	—			(2,375		)
Other (Expense) Income, Net	(2,300		)	(430		)	2,014			(58		)	(774		)
Total Other Expense, Net	(2,378		)	(3,253		)	(5,590		)	(9,073		)	(20,294		)
(Loss) Profit Before Income Taxes	(2,632		)	16,677			(8,508		)	(8,169		)	(2,632		)
Income Tax Expense	385			5,993			5,481			(11,474		)	385
Net (Loss) Earnings Including Noncontrolling Interest	(3,017		)	10,684			(13,989		)	3,305			(3,017		)
Net Loss Attributable to Noncontrolling Interest	(28		)	—			(28		)	28			(28		)
Net (Loss) Earnings Attributable to Tennant Company	$	(2,989	)	$	10,684		$	(13,961	)	$	3,277		$	(2,989	)

Condensed Consolidated Statements of Comprehensive Income

Condensed Consolidated Statement of Comprehensive Income
For the three months ended September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries		Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Earnings Including Noncontrolling Interest	$	9,709		$	3,911	$	1,605		$	(5,516	)	$	9,709
Other Comprehensive Loss:
Foreign currency translation adjustments	(3,110		)	228		(3,664		)	3,436			(3,110		)
Pension and retiree medical benefits	12			—		—			—			12
Cash flow hedge	(28		)	—		—			—			(28		)
Income Taxes:
Foreign currency translation adjustments	280			—		280			(280		)	280
Pension and retiree medical benefits	(2		)	—		—			—			(2		)
Cash flow hedge	6			—		—			—			6
Total Other Comprehensive Loss, net of tax	(2,842		)	228		(3,384		)	3,156			(2,842		)
Total Comprehensive Income (Loss) Including Noncontrolling Interest	6,867			4,139		(1,779		)	(2,360		)	6,867
Comprehensive Income Attributable to Noncontrolling Interest	33			—		33			(33		)	33
Comprehensive Income (Loss) Attributable to Tennant Company	$	6,834		$	4,139	$	(1,812	)	$	(2,327	)	$	6,834

Condensed Consolidated Statement of Comprehensive Income
For the nine months ended September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Earnings Including Noncontrolling Interest	$	25,775		$	11,137		$	11,383		$	(22,520	)	$	25,775
Other Comprehensive Loss:
Foreign currency translation adjustments	(14,202		)	(262		)	(20,103		)	20,365			(14,202		)
Pension and retiree medical benefits	105			—			19			(19		)	105
Cash flow hedge	(1,367		)	—			—			—			(1,367		)
Income Taxes:
Foreign currency translation adjustments	524			—			524			(524		)	524
Pension and retiree medical benefits	(156		)	—			—			—			(156		)
Cash flow hedge	(814		)	—			—			—			(814		)
Total Other Comprehensive Loss, net of tax	(15,910		)	(262		)	(19,560		)	19,822			(15,910		)
Total Comprehensive Income (Loss) Including Noncontrolling Interest	9,865			10,875			(8,177		)	(2,698		)	9,865
Comprehensive Income Attributable to Noncontrolling Interest	81			—			81			(81		)	81
Comprehensive Income (Loss) Attributable to Tennant Company	$	9,784		$	10,875		$	(8,258	)	$	(2,617	)	$	9,784

Condensed Consolidated Statement of Comprehensive Income
For the three months ended September 30, 2017
(in thousands)	Parent			Guarantor Subsidiaries		Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net Earnings (Loss) Including Noncontrolling Interest	$	3,596		$	3,497	$	(6,628	)	$	3,131		$	3,596
Other Comprehensive Income (Loss):
Foreign currency translation adjustments	9,033			289		9,221			(9,510		)	9,033
Pension and retiree medical benefits	379			—		10			(10		)	379
Cash flow hedge	(1,732		)	—		—			—			(1,732		)
Income Taxes:
Foreign currency translation adjustments	—			—		—			—			—
Pension and retiree medical benefits	(138		)	—		—			—			(138		)
Cash flow hedge	646			—		—			—			646
Total Other Comprehensive Income, net of tax	8,188			289		9,231			(9,520		)	8,188
Total Comprehensive Income Including Noncontrolling Interest	11,784			3,786		2,603			(6,389		)	11,784
Comprehensive Income Attributable to Noncontrolling Interest	37			—		37			(37		)	37
Comprehensive Income Attributable to Tennant Company	$	11,747		$	3,786	$	2,566		$	(6,352	)	$	11,747

Condensed Consolidated Statement of Comprehensive Income
For the nine months ended September 30, 2017
(in thousands)	Parent			Guarantor Subsidiaries		Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
Net (Loss) Earnings Including Noncontrolling Interest	$	(3,017	)	$	10,684	$	(13,989	)	$	3,305		$	(3,017	)
Other Comprehensive Income (Loss):
Foreign currency translation adjustments	25,073			693		1,330			(2,023		)	25,073
Pension and retiree medical benefits	541			—		151			(151		)	541
Cash flow hedge	(6,311		)	—		—			—			(6,311		)
Income Taxes:
Foreign currency translation adjustments	—			—		—			—			—
Pension and retiree medical benefits	(160		)	—		(15		)	15			(160		)
Cash flow hedge	2,354			—		—			—			2,354
Total Other Comprehensive Income, net of tax	21,497			693		1,466			(2,159		)	21,497
Total Comprehensive Income (Loss) Including Noncontrolling Interest	18,480			11,377		(12,523		)	1,146			18,480
Comprehensive (Loss) Income Attributable to Noncontrolling Interest	(28		)	—		(28		)	28			(28		)
Comprehensive Income (Loss) Attributable to Tennant Company	$	18,508		$	11,377	$	(12,495	)	$	1,118		$	18,508

Condensed Consolidated Balance Sheets

Condensed Consolidated Balance Sheet
As of September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
ASSETS
Current Assets:
Cash and Cash Equivalents	$	18,082		$	668		$	34,723		$	—		$	53,473
Restricted Cash	—			—			534			—			534
Net Receivables	494			93,464			114,161			—			208,119
Intercompany Receivables	31,488			142,708			—			(174,196		)	—
Inventories	35,858			15,118			99,220			(10,403		)	139,793
Prepaid Expenses	17,673			705			9,978			—			28,356
Other Current Assets	4,691			340			3,834			—			8,865
Total Current Assets	108,286			253,003			262,450			(184,599		)	439,140
Property, Plant and Equipment	228,237			12,533			140,673			—			381,443
Accumulated Depreciation	(156,476		)	(6,459		)	(54,690		)	—			(217,625		)
Property, Plant and Equipment, Net	71,761			6,074			85,983			—			163,818
Deferred Income Taxes	3,127			3,078			8,857			—			15,062
Investment in Affiliates	403,903			12,133			18,487			(434,523		)	—
Intercompany Loans	303,670			—			3,997			(307,667		)	—
Goodwill	12,870			1,726			170,023			—			184,619
Intangible Assets, Net	4,210			2,738			146,026			—			152,974
Other Assets	6,057			—			8,896			—			14,953
Total Assets	$	913,884		$	278,752		$	704,719		$	(926,789	)	$	970,566
LIABILITIES AND TOTAL EQUITY
Current Liabilities:
Current Portion of Long-Term Debt	$	29,705		$	—		$	1,294		$	—		$	30,999
Accounts Payable	34,447			6,727			49,604			—			90,778
Intercompany Payables	143,095			—			31,101			(174,196		)	—
Employee Compensation and Benefits	10,588			12,873			18,696			—			42,157
Income Taxes Payable	469			—			2,801			(298		)	2,972
Other Current Liabilities	28,216			14,348			28,980			298			71,842
Total Current Liabilities	246,520			33,948			132,476			(174,196		)	238,748
Long-Term Liabilities:
Long-Term Debt	315,277			—			1,660			—			316,937
Intercompany Loans	3,997			128,000			175,670			(307,667		)	—
Employee-Related Benefits	11,519			1,916			8,393			—			21,828
Deferred Income Taxes	—			—			48,491			—			48,491
Other Liabilities	27,488			3,336			4,655			—			35,479
Total Long-Term Liabilities	358,281			133,252			238,869			(307,667		)	422,735
Total Liabilities	604,801			167,200			371,345			(481,863		)	661,483
Equity:
Common Stock	6,796			—			11,131			(11,131		)	6,796
Additional Paid-In Capital	26,087			77,551			388,216			(465,767		)	26,087
Retained Earnings	312,539			34,932			(9,916		)	(25,016		)	312,539
Accumulated Other Comprehensive Loss	(38,233		)	(931		)	(57,951		)	58,882			(38,233		)
Total Tennant Company Shareholders' Equity	307,189			111,552			331,480			(443,032		)	307,189
Noncontrolling Interest	1,894			—			1,894			(1,894		)	1,894
Total Equity	309,083			111,552			333,374			(444,926		)	309,083
Total Liabilities and Total Equity	$	913,884		$	278,752		$	704,719		$	(926,789	)	$	970,566

Condensed Consolidated Balance Sheet
As of December 31, 2017
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
ASSETS
Current Assets:
Cash and Cash Equivalents	$	18,469		$	507		$	39,422		$	—		$	58,398
Restricted Cash	—			—			653			—			653
Net Receivables	683			88,629			120,204			—			209,516
Intercompany Receivables	53,444			133,778			—			(187,222		)	—
Inventories	29,450			12,695			94,542			(8,993		)	127,694
Prepaid Expenses	8,774			1,172			9,405			—			19,351
Other Current Assets	4,030			—			3,473			—			7,503
Total Current Assets	114,850			236,781			267,699			(196,215		)	423,115
Property, Plant and Equipment	225,064			12,155			145,549			—			382,768
Accumulated Depreciation	(146,320		)	(6,333		)	(50,097		)	—			(202,750		)
Property, Plant and Equipment, Net	78,744			5,822			95,452			—			180,018
Deferred Income Taxes	1,308			2,669			7,157			—			11,134
Investment in Affiliates	392,486			11,273			20,811			(424,570		)	—
Intercompany Loans	304,822			—			4,983			(309,805		)	—
Goodwill	12,869			1,739			171,436			—			186,044
Intangible Assets, Net	2,105			2,898			167,344			—			172,347
Other Assets	10,363			—			10,956			—			21,319
Total Assets	$	917,547		$	261,182		$	745,838		$	(930,590	)	$	993,977
LIABILITIES AND TOTAL EQUITY
Current Liabilities:
Current Portion of Long-Term Debt	$	29,413		$	—		$	1,470		$	—		$	30,883
Accounts Payable	39,927			3,018			53,137			—			96,082
Intercompany Payables	133,778			1,963			51,481			(187,222		)	—
Employee Compensation and Benefits	8,311			10,355			18,591			—			37,257
Income Taxes Payable	366			—			2,472			—			2,838
Other Current Liabilities	20,183			15,760			33,504			—			69,447
Total Current Liabilities	231,978			31,096			160,655			(187,222		)	236,507
Long-Term Liabilities:
Long-Term Debt	344,147			—			1,809			—			345,956
Intercompany Loans	—			128,000			181,805			(309,805		)	—
Employee-Related Benefits	11,160			3,992			8,715			—			23,867
Deferred Income Taxes	—			—			53,225			—			53,225
Other Liabilities	31,788			2,483			1,677			—			35,948
Total Long-Term Liabilities	387,095			134,475			247,231			(309,805		)	458,996
Total Liabilities	619,073			165,571			407,886			(497,027		)	695,503
Equity:
Common Stock	6,705			—			11,131			(11,131		)	6,705
Additional Paid-In Capital	15,089			72,483			384,460			(456,943		)	15,089
Retained Earnings	297,032			23,797			(21,219		)	(2,578		)	297,032
Accumulated Other Comprehensive Loss	(22,323		)	(669		)	(38,391		)	39,060			(22,323		)
Total Tennant Company Shareholders' Equity	296,503			95,611			335,981			(431,592		)	296,503
Noncontrolling Interest	1,971			—			1,971			(1,971		)	1,971
Total Equity	298,474			95,611			337,952			(433,563		)	298,474
Total Liabilities and Total Equity	$	917,547		$	261,182		$	745,838		$	(930,590	)	$	993,977

Condensed Consolidated Statement Cash Flows

Condensed Consolidated Statement of Cash Flows
For the nine months ended September 30, 2018
(in thousands)	Parent			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
OPERATING ACTIVITIES
Net Cash Provided by (Used in) Operating Activities	$	43,661		$	219		$	(411	)	$	—		$	43,469
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	(4,505		)	(58		)	(8,205		)	—			(12,768		)
Proceeds from Disposals of Property, Plant and Equipment	20			—			88			—			108
Proceeds from Principal Payments Received on Long-Term Note Receivable	—			—			828			—			828
Proceeds from Sale of Business	—			—			4,000			—			4,000
Purchase of Intangible Assets	(2,500		)	—			(107		)	—			(2,607		)
Change in Investments in Subsidiaries	(1,817		)	—			—			1,817			—
Loan Payments from Subsidiaries	1,218			—			—			(1,218		)	—
Loan Payments from Parent	—			—			986			(986		)	—
Net Cash Used in Investing Activities	(7,584		)	(58		)	(2,410		)	(387		)	(10,439		)
FINANCING ACTIVITIES
Payments of Long-Term Debt	(30,000		)	—			(216		)	—			(30,216		)
Change in Capital Lease Obligations	—			—			7			—			7
Change in Subsidiary Equity	—			—			1,817			(1,817		)	—
Loan Payments to Parent	—			—			(1,218		)	1,218			—
Loan Payments to Subsidiaries	(986		)	—			—			986			—
Proceeds from Issuances of Common Stock	5,735			—			—			—			5,735
Dividends Paid	(11,356		)	—			—			—			(11,356		)
Net Cash (Used in) Provided by Financing Activities	(36,607		)	—			390			387			(35,830		)
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	143			—			(2,387		)	—			(2,244		)
Net (Decrease) Increase in Cash, Cash Equivalents and Restricted Cash	(387		)	161			(4,818		)	—			(5,044		)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	18,469			507			40,075			—			59,051
Cash, Cash Equivalents and Restricted Cash at End of Period	$	18,082		$	668		$	35,257		$	—		$	54,007

Condensed Consolidated Statement of Cash Flows
For the nine months ended September 30, 2017
(in thousands)	Parent			Guarantor Subsidiaries		Non-Guarantor Subsidiaries			Eliminations			Total Tennant Company
OPERATING ACTIVITIES
Net Cash (Used in) Provided by Operating Activities	$	(555	)	$	798	$	31,880		$	—		$	32,123
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	(7,400		)	—		(8,839		)	—			(16,239		)
Proceeds from Disposals of Property, Plant and Equipment	17			—		2,439			—			2,456
Proceeds from Principal Payments Received on Long-Term Note Receivable	—			—		500			—			500
Issuance of Long-Term Note Receivable	—			—		(1,500		)	—			(1,500		)
Acquisition of Businesses, Net of Cash Acquired	(304		)	—		(353,231		)	—			(353,535		)
Purchase of Intangible Asset	(2,500		)	—		—			—			(2,500		)
Change in Investments in Subsidiaries	(193,639		)	—		—			193,639			—
Loan (Payments) Borrowings from Subsidiaries	(159,780		)	—		—			159,780			—
Net Cash Used in Investing Activities	(363,606		)	—		(360,631		)	353,419			(370,818		)
FINANCING ACTIVITIES
Proceeds from Short-Term Debt	300,000			—		—			—			300,000
Repayments of Short-Term Debt	(300,000		)	—		—			—			(300,000		)
Loan Borrowings (Payments) from Parent	—			—		159,780			(159,780		)	—
Change in Subsidiary Equity	—			—		193,639			(193,639		)	—
Proceeds from Issuance of Long-Term Debt	440,000			—		—			—			440,000
Payments of Long-Term Debt	(81,143		)	—		(119		)	—			(81,262		)
Payments of Debt Issuance Costs	(16,465		)	—		—			—			(16,465		)
Proceeds from Issuance of Common Stock	4,728			—		—			—			4,728
Dividends Paid	(11,204		)	—		—			—			(11,204		)
Net Cash Provided by Financing Activities	335,916			—		353,300			(353,419		)	335,797
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	(68		)	—		1,655			—			1,587
Net (Decrease) Increase in Cash, Cash Equivalents and Restricted Cash	(28,313		)	798		26,204			—			(1,311		)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	38,484			226		19,840			—			58,550
Cash, Cash Equivalents and Restricted Cash at End of Period	$	10,171		$	1,024	$	46,044		$	—		$	57,239

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Newly Adopted Accounting Pronouncements (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
ASSETS
Net Receivables	$ 208,119	$ 209,516
Total Current Assets	439,140	423,115
Total Assets	970,566	993,977
LIABILITIES
Other Current Liabilities	71,842	69,447
Total Current Liabilities	238,748	236,507
Total Liabilities	661,483	$ 695,503
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
ASSETS
Net Receivables	1,159
Total Current Assets	1,159
Total Assets	1,159
LIABILITIES
Other Current Liabilities	1,159
Total Current Liabilities	1,159
Total Liabilities	1,159
Calculated under Revenue Guidance in Effect before Topic 606 [Member]
ASSETS
Net Receivables	206,960
Total Current Assets	437,981
Total Assets	969,407
LIABILITIES
Other Current Liabilities	70,683
Total Current Liabilities	237,589
Total Liabilities	$ 660,324

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Newly Adopted Accounting Pronouncements (Details 2) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017	Jan. 01, 2018
Selling and Administrative Expense | Scenario, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net benefit cost (credit)	$ (60)	$ 74
Other Expense, Net | Scenario, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Net benefit cost (credit)	$ (60)	$ 74
Accounting Standards Update 2016-16
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets			$ 94
ASU 2016-16, Increase (Decrease) in long-term deferred charge			1,281
Deferred Tax Asset, Intra-entity Transfer, Asset Other than Inventory			1,187
Accounting Standards Update 2018-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets			$ 1,263

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Revenue from Contracts with Customers (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Disaggregation of Revenue [Line Items]
Revenue, Net	$ 273,255	$ 261,921	$ 838,299	$ 723,771
Sales Direct to Consumer
Disaggregation of Revenue [Line Items]
Revenue, Net	180,901	172,484	547,079	490,533
Sales to Distributors
Disaggregation of Revenue [Line Items]
Revenue, Net	92,354	89,437	291,220	233,238
Equipment
Disaggregation of Revenue [Line Items]
Revenue, Net	178,165	165,203	542,317	455,311
Parts and Consumables
Disaggregation of Revenue [Line Items]
Revenue, Net	53,639	53,535	168,491	149,260
Specialty Surface Coatings
Disaggregation of Revenue [Line Items]
Revenue, Net	7,139	8,007	21,434	22,491
Services and Other
Disaggregation of Revenue [Line Items]
Revenue, Net	34,312	35,176	106,057	96,709
Americas
Disaggregation of Revenue [Line Items]
Revenue, Net	175,341	161,037	516,731	472,953
EMEA
Disaggregation of Revenue [Line Items]
Revenue, Net	74,254	78,851	250,480	189,483
Asia Pacific
Disaggregation of Revenue [Line Items]
Revenue, Net	$ 23,660	$ 22,033	$ 71,088	$ 61,335

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Revenue from Contracts with Customers (Details 2) $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($)
Contract with Customer, Contract Liability [Roll Forward]
Beginning balance	$ 13,466
Additions to sales incentive accrual	22,078
Contract payments	(21,677)
Foreign currency fluctuations	(239)
Ending balance	$ 13,628

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Revenue from Contracts with Customers (Details 3) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Deferred Revenue, Current		$ 5,064	$ 5,304
Deferred Revenue, Noncurrent		3,140	2,483
Movement in Deferred Revenue [Roll Forward]
Beginning balance	$ 7,787
Increase in deferred revenue representing our obligation to satisfy future performance obligations	11,032
Decrease in deferred revenue for amounts recognized in Net Sales for satisfied performance obligations	(10,475)
Foreign currency fluctuations	(140)
Ending balance	8,204
Revenue, Performance Obligation Satisfied over Time [Abstract]
Remaining 2018		2,502
2019		2,958
2020		1,595
2021		692
2022		381
Thereafter		76
Total	$ 7,787	$ 8,204	$ 7,787
Prepaid Maintenance Contract Duration, Minimum
Disaggregation of Revenue [Line Items]
Standard Prepaid Maintenance Contract Time Period	12 months
Prepaid Maintenance Contract Duration, Maximum
Disaggregation of Revenue [Line Items]
Standard Prepaid Maintenance Contract Time Period	60 months

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Management Actions (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended	12 Months Ended
	Dec. 31, 2017	Mar. 31, 2017	Sep. 30, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Approximate time anticipated savings will offset the restructuring charge	1 year	1 year
Restructuring Reserve [Roll Forward]
Restructuring Charges, net of noncash expenses				$ 9,558
Restructuring Reserve beginning balance			$ 3,436
Cash Payments			(1,694)	(6,312)
Foreign currency adjustments			(64)	190
Restructuring Reserve ending balance	$ 3,436		$ 1,678	$ 3,436
Selling and Administrative Expense
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	$ 2,501	$ 8,018
Other associated restructuring charges		$ 961

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Acquisitions and Divestitures (Details 1) - USD ($)			3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 04, 2018	Apr. 06, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Business Acquisition [Line Items]
Proceeds from Divestiture of Businesses					$ 4,000,000	$ 0
Gain on Sale of Business					1,000,000
Purchase accounting adjustments					4,627,000
Amortization of Intangible Assets			$ 5,720,000	$ 7,650,000	$ 17,378,000	$ 11,430,000
Trade Names
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life					10 years		10 years
Customer Lists
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life					15 years		15 years
Technology
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life					11 years		11 years
Senior Secured Credit Facility
Business Acquisition [Line Items]
Long-term Line of Credit, Noncurrent		$ 420,000,000
IP Cleaning S.p.A
Business Acquisition [Line Items]
Business Acquisition, Name of Acquired Entity		IP Cleaning S.p.A. and its subsidiaries ("IPC Group")
Business Combination, Consideration Transferred		$ 353,769,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Cash Equivalents		8,804,000
Business Acquisition, Goodwill, Expected Tax Deductible Amount		$ 0
Purchase accounting adjustments					$ 4,627,000
Amortization of Intangible Assets			$ 5,401,000		$ 16,424,000
IP Cleaning S.p.A | Trade Names
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		10 years
IP Cleaning S.p.A | Customer Lists
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		15 years
IP Cleaning S.p.A | Technology
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		10 years
Gaomei
Business Acquisition [Line Items]
Business Acquisition, Name of Acquired Entity	Hefei Gaomei Cleaning Machines Co., Ltd. and Anhui Rongen Environmental Protection Technology Co., Ltd (collectively "Gaomei")

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Acquisitions and Divestitures (Details 2) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017	Apr. 06, 2017
LIABILITIES
Goodwill	$ 184,619	$ 186,044
IP Cleaning S.p.A
ASSETS
Receivables			$ 39,984
Inventories			46,442
Other Current Assets			7,456
Assets Held for Sale			2,247
Property, Plant and Equipment			63,890
Intangible Assets Subject to Amortization:			159,445
Other Assets			2,000
Total Identifiable Assets Acquired			321,464
LIABILITIES
Accounts Payable			32,227
Accrued Expenses			18,130
Deferred Income Taxes			56,950
Other Liabilities			10,964
Total Identifiable Liabilities Assumed			118,271
Net Identifiable Assets Acquired			203,193
Noncontrolling Interest			(1,896)
Goodwill			152,472
Total Purchase Price, net of Cash Acquired			353,769
Trade Names | IP Cleaning S.p.A
ASSETS
Intangible Assets Subject to Amortization:			26,753
Customer Lists | IP Cleaning S.p.A
ASSETS
Intangible Assets Subject to Amortization:			123,061
Technology | IP Cleaning S.p.A
ASSETS
Intangible Assets Subject to Amortization:			$ 9,631

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Acquisitions and Divestitures (Details 3) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net Sales
Pro forma		$ 261,921		$ 777,832
As reported	$ 273,255	261,921	$ 838,299	723,771
Net Earnings (Loss) Attributable to Tennant Company
Pro forma		5,800		14,875
As reported	$ 9,676	$ 3,559	$ 25,694	$ (2,989)
Net Earnings (Loss) Attributable to Tennant Company per Share
Pro forma		$ 0.32		$ 0.84
As reported	$ 0.52	$ 0.20	$ 1.40	$ (0.17)

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Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Inventories carried at LIFO:
Finished goods	$ 48,471	$ 43,439
Raw materials, production parts and work-in-process	28,994	23,694
LIFO reserve	(30,668)	(28,429)
Total LIFO inventories	46,797	38,704
Inventories carried at FIFO:
Finished goods	53,138	54,161
Raw materials, production parts and work-in-process	39,858	34,829
Total FIFO inventories	92,996	88,990
Total inventories	$ 139,793	$ 127,694

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Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Goodwill, Gross
Balance, beginning of period			$ 227,224
Purchase accounting adjustments			4,627
Foreign currency fluctuations			(7,542)
Balance, end of period	$ 224,309		224,309		$ 227,224
Accumulated Impairment Losses
Balance, beginning of period			(41,180)
Foreign currency fluctuations			1,490
Balance, end of period	(39,690)		(39,690)		(41,180)
Goodwill, Net
Balance, beginning of period			186,044
Purchase accounting adjustments			4,627
Foreign currency fluctuations			(6,052)
Balance, end of period	184,619		184,619		186,044
Acquired Finite-lived Intangible Assets
Original cost	192,839		192,839		195,912
Accumulated amortization	(39,865)		(39,865)		(23,565)
Carrying value	152,974		152,974		172,347
Purchase of Intangible Assets			2,607	$ 2,500
Amortization expense	5,720	$ 7,650	17,378	$ 11,430
Estimated aggregate amortization expense of Intangible Assets
Remaining 2018	5,456		5,456
2019	21,268		21,268
2020	19,827		19,827
2021	18,244		18,244
2022	15,965		15,965
Thereafter	72,214		72,214
Total	152,974		152,974
Customer Lists
Acquired Finite-lived Intangible Assets
Original cost	144,760		144,760		149,355
Accumulated amortization	(29,908)		(29,908)		(17,870)
Carrying value	114,852		$ 114,852		$ 131,485
Weighted-average original life (in years)			15 years		15 years
Trade Names
Acquired Finite-lived Intangible Assets
Original cost	30,945		$ 30,945		$ 31,968
Accumulated amortization	(4,631)		(4,631)		(2,436)
Carrying value	26,314		$ 26,314		$ 29,532
Weighted-average original life (in years)			10 years		10 years
Technology
Acquired Finite-lived Intangible Assets
Original cost	17,134		$ 17,134		$ 14,589
Accumulated amortization	(5,326)		(5,326)		(3,259)
Carrying value	$ 11,808		$ 11,808		$ 11,330
Weighted-average original life (in years)			11 years		11 years
Purchase of Intangible Assets			$ 2,500

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Debt (Details 1)	9 Months Ended
	Sep. 30, 2018 USD ($)
Line of Credit Facility
Letters of Credit Outstanding, Amount	$ 5,724,000
Line of Credit Facility, Commitment Fee Amount	$ 455,000
Debt, Weighted Average Interest Rate	5.40%
Debt, Weighted Average Interest Rate, net of Currency Swap Contract	4.50%
Revolving Credit Facility
Line of Credit Facility
Outstanding Borrowings	$ 20,000,000
Debt Instrument, Unused Borrowing Capacity, Amount	180,000,000
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	6,250,000
Long-term Debt, Additional Repayments of Principal in Next Twelve Months	23,750,000
Long-term Debt, Current Maturities	$ 30,000,000
Revolving Credit Facility | JPMorgan, 2017 Credit Agreement
Line of Credit Facility
Debt Instrument, Covenant, Indebtedness to Adjusted EBITDA Ratio, Maximum	4.00
Debt Instrument, Covenant, Adjusted EBITDA to Interest Expense Ratio, Maximum	3.50
Debt Instrument, Covenant, Senior Secured Net Indebtedness to Adjusted EBITDA Ratio, Maximum	3.50
Debt Instrument, Covenant, Net Leverage Ratio, Minimum	3.00
Line of Credit
Line of Credit Facility
Outstanding Borrowings	$ 30,000,000
Letter of Credit
Line of Credit Facility
Debt Instrument, Unused Borrowing Capacity, Amount	$ 174,276,000
Minimum | Revolving Credit Facility | JPMorgan, 2017 Credit Agreement
Line of Credit Facility
Debt Instrument, Covenant, Repayment of Debt, Percentage of Excess Cash Flow	25.00%
Maximum | Revolving Credit Facility | JPMorgan, 2017 Credit Agreement
Line of Credit Facility
Debt Instrument, Covenant, Repayment of Debt, Percentage of Excess Cash Flow	50.00%

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Debt (Details 2) - USD ($) $ in Thousands	Sep. 30, 2018		Dec. 31, 2017
Debt Instrument
Total Debt	$ 352,955		$ 383,279
Debt Instrument, Unamortized Debt Issuance Costs, Noncurrent, net	(5,020)		(6,440)
Capital Lease Obligations, Current	1,294	[1]	1,470
Long-Term Portion	316,937		345,956
Current Portion of Long-Term Debt	30,999		30,883
Line of Credit
Debt Instrument
Debt, Current, Net Of Unamortized Debt Issuance Costs	(29,704)	[1]	(29,413)
Current Portion of Long-Term Debt	30,000
Debt Instrument, Unamortized Debt Issuance Costs, Current Portion, net	296
Capital Lease Obligations
Debt Instrument
Total Debt	2,955		3,279
JPMorgan, 2017 Credit Agreement | Line of Credit
Debt Instrument
Total Debt	50,000		80,000
Bonds
Debt Instrument
Total Debt	$ 300,000		$ 300,000

[1] (1) Current maturities of long-term debt include $30,000 of current maturities, less $296 of unamortized debt issuance costs, under our 2017 Credit Agreement and $1,294 of current maturities of capital lease obligations.

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Warranty (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Product Warranties Disclosures [Abstract]
Machine warranty, range minimum (in years)	1 year
Machine warranty, range maximum (in years)	4 years
Period of time following a sale the majority of claims are paid, range minimum (in years)	6 months
Period of time following a sale the majority of claims are paid, range maximum (in years)	9 months
Changes in warranty reserves
Beginning balance	$ 12,676	$ 10,960
Additions charged to expense	10,883	8,879
Acquired warranty obligations	0	384
Foreign currency fluctuations	(193)	225
Claims paid	(9,805)	(8,912)
Ending balance	$ 13,561	$ 11,536

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Derivatives (Details 1) $ in Thousands		1 Months Ended	9 Months Ended
		Apr. 30, 2022 EUR (€)	Sep. 30, 2018 EUR (€)	Sep. 30, 2018 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2017 EUR (€)	Dec. 31, 2017 USD ($)
Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative, Term of Contract			1 year	1 year
Cash Flow Hedge Loss to be Reclassified within Twelve Months				$ 2,129
Derivatives designated as hedging instruments | Foreign currency option contracts
Derivatives, Fair Value [Line Items]
Notional Amount					$ 8,737		$ 8,619
Fair Value Asset Derivatives	[1]				113		86
Fair Value Liability Derivatives	[1]				0		0
Derivatives designated as hedging instruments | Foreign currency forward contracts
Derivatives, Fair Value [Line Items]
Notional Amount					2,952		2,928
Fair Value Asset Derivatives	[1]				7,038		7,218
Fair Value Liability Derivatives	[1]				29,868		34,961
Derivatives designated as hedging instruments | Cross currency swap
Derivatives, Fair Value [Line Items]
Notional Amount | €			€ 175,800,000.00			€ 181,200,000
Aggregate scheduled interest payments over the course of the loan and related swaps | €			€ 25,800,000
Derivatives designated as hedging instruments | Cross currency swap | Scenario, Forecast
Derivatives, Fair Value [Line Items]
Scheduled maturity and principal payment of the loan and related swaps | €		€ 150,000,000
Derivatives not designated as hedging instruments | Foreign currency forward contracts
Derivatives, Fair Value [Line Items]
Notional Amount					47,614		60,858
Fair Value Asset Derivatives	[1]				653		442
Fair Value Liability Derivatives	[1]				$ 358		$ 425

[1] Contracts that mature within the next 12 months are included in Other Current Assets and Other Current Liabilities for asset derivatives and liability derivatives, respectively, on our Condensed Consolidated Balance Sheets. Contracts with maturities greater than 12 months are included in Other Assets and Other Liabilities for asset derivatives and liability derivatives, respectively, in our Condensed Consolidated Balance Sheets. Amounts included in our Condensed Consolidated Balance Sheets are recorded net where a right of offset exists with the same derivative counterparty.

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Derivatives (Details 2) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Foreign currency option contracts | Derivatives not designated as hedging instruments
Derivative Instruments, Gain (Loss) [Line Items]
Net (loss) gain recognized in earnings	[1]	$ 0	$ 0	$ 0	$ (1,132)
Foreign currency option contracts | Cash Flow Hedge
Derivative Instruments, Gain (Loss) [Line Items]
Net (loss) gain recognized in Other Comprehensive (Loss) Income, net of tax	[2]	(89)	(40)	(40)	(177)
Net (loss) gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Sales		(7)	(141)	(91)	(140)
Net gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Interest Income		0	0	0	0
Net gain (loss) reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Foreign Currency Transaction Losses		0	0	0	0
Net (loss) gain recognized in earnings	[3]	(5)	(7)	3	(12)
Foreign currency forward contracts | Derivatives not designated as hedging instruments
Derivative Instruments, Gain (Loss) [Line Items]
Net (loss) gain recognized in earnings	[1]	(658)	(2,062)	1,174	(7,369)
Foreign currency forward contracts | Cash Flow Hedge
Derivative Instruments, Gain (Loss) [Line Items]
Net (loss) gain recognized in Other Comprehensive (Loss) Income, net of tax	[2]	1,253	(4,492)	4,929	(14,026)
Net (loss) gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Sales		(33)	26	(34)	(76)
Net gain reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Interest Income		487	374	1,345	823
Net gain (loss) reclassified from Accumulated Other Comprehensive Loss into earnings, net of tax, effective portion to Net Foreign Currency Transaction Losses		739	(3,705)	4,724	(10,853)
Net (loss) gain recognized in earnings	[3]	$ 2	$ 3	$ 8	$ 8

[1] Classified in Net Foreign Currency Transaction Losses.

[2] Net change in the fair value of the effective portion classified in Other Comprehensive (Loss) Income.

[3] Ineffective portion and amount excluded from effectiveness testing classified in Net Foreign Currency Transaction Losses

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Fair Value Measurements (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Level 1
Assets:
Total Assets	$ 0	$ 0
Liabilities:
Total Liabilities	0	0
Level 1 | Foreign currency forward exchange contracts
Assets:
Foreign currency contract, asset fair value	0	0
Liabilities:
Foreign currency contract, liability fair value	0	0
Level 1 | Foreign currency option contracts
Assets:
Foreign currency contract, asset fair value	0	0
Level 2
Assets:
Total Assets	7,804	7,746
Liabilities:
Total Liabilities	30,226	35,386
Level 2 | Foreign currency forward exchange contracts
Assets:
Foreign currency contract, asset fair value	7,691	7,660
Liabilities:
Foreign currency contract, liability fair value	30,226	35,386
Level 2 | Foreign currency option contracts
Assets:
Foreign currency contract, asset fair value	113	86
Level 3
Assets:
Total Assets	0	0
Liabilities:
Total Liabilities	0	0
Level 3 | Foreign currency forward exchange contracts
Assets:
Foreign currency contract, asset fair value	0	0
Liabilities:
Foreign currency contract, liability fair value	0	0
Level 3 | Foreign currency option contracts
Assets:
Foreign currency contract, asset fair value	0	0
Fair Value
Assets:
Total Assets	7,804	7,746
Liabilities:
Total Liabilities	30,226	35,386
Fair Value | Foreign currency forward exchange contracts
Assets:
Foreign currency contract, asset fair value	7,691	7,660
Liabilities:
Foreign currency contract, liability fair value	30,226	35,386
Fair Value | Foreign currency option contracts
Assets:
Foreign currency contract, asset fair value	$ 113	$ 86

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Retirement Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Pension Plans
Defined Benefit Plans and Other Postretirement Benefit Plans
Plan contributions	$ 36		$ 187
Pension Plans | Domestic Plan
Defined Benefit Plans and Other Postretirement Benefit Plans
Service cost	0	$ 0	0	$ 0
Interest cost	10	373	32	1,153
Expected return on plan assets	0	(581)	0	(1,752)
Amortization of net actuarial loss	13	12	37	33
Amortization of prior service cost	0	0	0	0
Foreign currency	0	0	0	0
Net periodic benefit cost (credit)	23	(196)	69	(566)
Settlement charge			50	205
Net benefit cost (credit)	23	(196)	119	(361)
Pension Plans | Foreign Plan
Defined Benefit Plans and Other Postretirement Benefit Plans
Service cost	33	124	105	172
Interest cost	82	96	240	315
Expected return on plan assets	(77)	(101)	(268)	(298)
Amortization of net actuarial loss	0	0	0	0
Amortization of prior service cost	54	50	160	146
Foreign currency	(118)	135	(212)	364
Net periodic benefit cost (credit)	(26)	304	25	699
Settlement charge			0	0
Net benefit cost (credit)	(26)	304	25	699
Postretirement Medical Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans
Plan contributions	139		695
Service cost	6	6	34	46
Interest cost	70	91	220	272
Expected return on plan assets	0	0	0	0
Amortization of net actuarial loss	0	0	0	0
Amortization of prior service cost	0	0	0	0
Foreign currency	0	0	0	0
Net periodic benefit cost (credit)	76	97	254	318
Settlement charge			0	0
Net benefit cost (credit)	$ 76	$ 97	$ 254	$ 318

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Commitments and Contingencies (Details) $ in Thousands	Sep. 30, 2018 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Aggregate residual value at lease expiration for vehicle leases	$ 13,990
Guaranteed aggregate residual value at lease expiration for vehicle leases	8,371
Liability for the estimated end of term loss related to residual value guarantee	$ 317

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Accumulated Other Comprehensive Loss (Details 1) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Equity [Abstract]
Foreign currency translation adjustments	$ (29,456)	$ (15,778)
Pension and retiree medical benefits	(1,661)	(1,610)
Cash flow hedge	(7,116)	(4,935)
Total Accumulated Other Comprehensive Loss	$ (38,233)	$ (22,323)

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Accumulated Other Comprehensive Loss (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Components of Other Comprehensive Loss
December 31, 2017			$ (22,323)
Other comprehensive (loss) income before reclassifications			(8,770)
Amounts reclassified from Accumulated Other Comprehensive Loss			(5,877)
Adjustments to Accumulated Other Comprehensive Loss for disproportionate income tax effects recognized from the adoption of ASU 2018-02			(1,263)
Total Other Comprehensive (Loss) Income, net of tax	$ (2,842)	$ 8,188	(15,910)	$ 21,497
September 30, 2018	(38,233)		(38,233)
Foreign Currency Translation Adjustments
Components of Other Comprehensive Loss
December 31, 2017			(15,778)
Other comprehensive (loss) income before reclassifications			(13,678)
Amounts reclassified from Accumulated Other Comprehensive Loss			0
Adjustments to Accumulated Other Comprehensive Loss for disproportionate income tax effects recognized from the adoption of ASU 2018-02			0
Total Other Comprehensive (Loss) Income, net of tax			(13,678)
September 30, 2018	(29,456)		(29,456)
Pension and Post Retirement Benefits
Components of Other Comprehensive Loss
December 31, 2017			(1,610)
Other comprehensive (loss) income before reclassifications			19
Amounts reclassified from Accumulated Other Comprehensive Loss			67
Adjustments to Accumulated Other Comprehensive Loss for disproportionate income tax effects recognized from the adoption of ASU 2018-02			(137)
Total Other Comprehensive (Loss) Income, net of tax			(51)
September 30, 2018	(1,661)		(1,661)
Cash Flow Hedge
Components of Other Comprehensive Loss
December 31, 2017			(4,935)
Other comprehensive (loss) income before reclassifications			4,889
Amounts reclassified from Accumulated Other Comprehensive Loss			(5,944)
Adjustments to Accumulated Other Comprehensive Loss for disproportionate income tax effects recognized from the adoption of ASU 2018-02			(1,126)
Total Other Comprehensive (Loss) Income, net of tax			(2,181)
September 30, 2018	$ (7,116)		$ (7,116)

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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Liability for unrecognized tax benefits	$ 6,067		$ 6,067
Unrecognized tax benefits, income tax penalties and interest accrued	489		489
Unrecognized tax benefits that would impact the effective tax rate	5,842		$ 5,842
Federal Statutory Income Tax Rate, Historical					35.00%
Tax Cuts and Jobs Act of 2017 Corporate Federal Tax Rate			21.00%
Effective Income Tax Rate Reconciliation, Tax Cuts And Jobs Act Of 2017, Transition Tax On Accumulated Foreign Earnings, Percent			(1.30%)
Income Tax Expense	$ 158	$ 731	$ 1,598	$ 385
Effective Income Tax Rate Reconciliation, Percent	1.60%		5.80%
Tax Cuts And Jobs Act Of 2017, Transition Tax Liability For Accumulated Foreign Earnings, Income Tax Expense			$ (362)
Other Tax Benefits			$ 3,568
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination			2015
Minimum
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination			2014
Maximum
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination			2016

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Share-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award
Allocated Share-based Compensation Expense	$ 1,893	$ 1,293	$ 6,008	$ 4,915
Excess Tax Benefit on Stock Plans			$ 2,073	1,149
Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award
Shares granted			16,377
Weighted average grant date fair value, in dollars per share			$ 67.70
Vesting period of new awards granted			3 years
Fair value of shares vested			$ 863	$ 1,295

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Earnings (Loss) Attributable to Tennant Company Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Numerator:
Net Earnings (Loss) Attributable to Tennant Company	$ 9,676	$ 3,559	$ 25,694	$ (2,989)
Denominator:
Basic - Weighted Average Shares Outstanding	17,998,917	17,729,857	17,911,880	17,673,656
Effect of dilutive securities:
Share-based compensation plans	440,704	441,587	432,933	0
Diluted - Weighted Average Shares Outstanding	18,439,621	18,171,444	18,344,813	17,673,656
Basic Earnings (Loss) per Share	$ 0.54	$ 0.20	$ 1.43	$ (0.17)
Diluted Earnings (Loss) per Share	$ 0.52	$ 0.20	$ 1.40	$ (0.17)
Anti-dilutive securities excluded from earnings per share calculation	139,106	340,239	214,605	714,687

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Segment Reporting (Details)	9 Months Ended
	Sep. 30, 2018
Segment Reporting [Abstract]
Number of operating segments	4
Number of reportable segments	1

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Separate Financial Information of Guarantor Subsidiaries Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Net Sales	$ 273,255	$ 261,921	$ 838,299	$ 723,771
Cost of Sales	165,170	157,317	500,778	434,877
Gross Profit	108,085	104,604	337,521	288,894
Operating Expense:
Research and Development Expense	7,506	7,907	23,408	24,239
Selling and Administrative Expense	85,140	85,711	269,273	246,993
Total Operating Expense	92,646	93,618	292,681	271,232
Profit from Operations	15,439	10,986	44,840	17,662
Other Income (Expense):
Equity in Earnings of Affiliates	0	0	0	0
Interest (Expense) Income, Net	(5,147)	(5,395)	(15,196)	(17,145)
Intercompany Interest Income (Expense)	0	0	0	0
Net Foreign Currency Transaction Losses	(295)	(842)	(1,381)	(2,375)
Other Expense, Net	(130)	(422)	(890)	(774)
Total Other Expense, Net	(5,572)	(6,659)	(17,467)	(20,294)
Profit (Loss) Before Income Taxes	9,867	4,327	27,373	(2,632)
Income Tax Expense	158	731	1,598	385
Net Earnings (Loss) Including Noncontrolling Interest	9,709	3,596	25,775	(3,017)
Net Earnings (Loss) Attributable to Noncontrolling Interest	33	37	81	(28)
Net Earnings (Loss) Attributable to Tennant Company	9,676	3,559	25,694	(2,989)
Eliminations
Net Sales	(144,499)	(127,866)	(423,205)	(386,844)
Cost of Sales	(144,376)	(128,591)	(421,821)	(387,748)
Gross Profit	(123)	725	(1,384)	904
Operating Expense:
Research and Development Expense	0	0	0	0
Selling and Administrative Expense	811	0	811	0
Total Operating Expense	811	0	811	0
Profit from Operations	(934)	725	(2,195)	904
Other Income (Expense):
Equity in Earnings of Affiliates	(5,723)	(2,415)	(25,247)	(8,993)
Interest (Expense) Income, Net	(9)	(9)	(28)	(22)
Intercompany Interest Income (Expense)	0	0	0	0
Net Foreign Currency Transaction Losses	0	0	0	0
Other Expense, Net	785	(23)	725	(58)
Total Other Expense, Net	(4,947)	(2,447)	(24,550)	(9,073)
Profit (Loss) Before Income Taxes	(5,881)	(1,722)	(26,745)	(8,169)
Income Tax Expense	(365)	(4,853)	(4,225)	(11,474)
Net Earnings (Loss) Including Noncontrolling Interest	(5,516)	3,131	(22,520)	3,305
Net Earnings (Loss) Attributable to Noncontrolling Interest	(33)	(37)	(81)	28
Net Earnings (Loss) Attributable to Tennant Company	(5,483)	3,168	(22,439)	3,277
Parent
Net Sales	126,110	111,835	366,093	337,034
Cost of Sales	86,781	76,974	249,065	230,753
Gross Profit	39,329	34,861	117,028	106,281
Operating Expense:
Research and Development Expense	6,096	6,312	18,625	20,838
Selling and Administrative Expense	26,765	23,498	84,478	85,697
Total Operating Expense	32,861	29,810	103,103	106,535
Profit from Operations	6,468	5,051	13,925	(254)
Other Income (Expense):
Equity in Earnings of Affiliates	5,256	2,039	19,657	7,493
Interest (Expense) Income, Net	(5,230)	(5,275)	(15,726)	(16,866)
Intercompany Interest Income (Expense)	3,621	3,774	10,989	8,742
Net Foreign Currency Transaction Losses	(69)	357	(354)	553
Other Expense, Net	(179)	(1,619)	(1,118)	(2,300)
Total Other Expense, Net	3,399	(724)	13,448	(2,378)
Profit (Loss) Before Income Taxes	9,867	4,327	27,373	(2,632)
Income Tax Expense	158	731	1,598	385
Net Earnings (Loss) Including Noncontrolling Interest	9,709	3,596	25,775	(3,017)
Net Earnings (Loss) Attributable to Noncontrolling Interest	33	37	81	(28)
Net Earnings (Loss) Attributable to Tennant Company	9,676	3,559	25,694	(2,989)
Guarantor Subsidiaries
Net Sales	160,226	146,495	472,524	442,090
Cost of Sales	135,058	120,523	395,327	363,034
Gross Profit	25,168	25,972	77,197	79,056
Operating Expense:
Research and Development Expense	279	86	825	245
Selling and Administrative Expense	18,091	19,074	57,151	58,881
Total Operating Expense	18,370	19,160	57,976	59,126
Profit from Operations	6,798	6,812	19,221	19,930
Other Income (Expense):
Equity in Earnings of Affiliates	262	376	1,356	1,500
Interest (Expense) Income, Net	0	0	0	0
Intercompany Interest Income (Expense)	(1,450)	(1,455)	(4,308)	(4,323)
Net Foreign Currency Transaction Losses	4	2	(2)	0
Other Expense, Net	(473)	(204)	(1,610)	(430)
Total Other Expense, Net	(1,657)	(1,281)	(4,564)	(3,253)
Profit (Loss) Before Income Taxes	5,141	5,531	14,657	16,677
Income Tax Expense	1,230	2,034	3,520	5,993
Net Earnings (Loss) Including Noncontrolling Interest	3,911	3,497	11,137	10,684
Net Earnings (Loss) Attributable to Noncontrolling Interest	0	0	0	0
Net Earnings (Loss) Attributable to Tennant Company	3,911	3,497	11,137	10,684
Non-Guarantor Subsidiaries
Net Sales	131,418	131,457	422,887	331,491
Cost of Sales	87,707	88,411	278,207	228,838
Gross Profit	43,711	43,046	144,680	102,653
Operating Expense:
Research and Development Expense	1,131	1,509	3,958	3,156
Selling and Administrative Expense	39,473	43,139	126,833	102,415
Total Operating Expense	40,604	44,648	130,791	105,571
Profit from Operations	3,107	(1,602)	13,889	(2,918)
Other Income (Expense):
Equity in Earnings of Affiliates	205	0	4,234	0
Interest (Expense) Income, Net	92	(111)	558	(257)
Intercompany Interest Income (Expense)	(2,171)	(2,319)	(6,681)	(4,419)
Net Foreign Currency Transaction Losses	(230)	(1,201)	(1,025)	(2,928)
Other Expense, Net	(263)	1,424	1,113	2,014
Total Other Expense, Net	(2,367)	(2,207)	(1,801)	(5,590)
Profit (Loss) Before Income Taxes	740	(3,809)	12,088	(8,508)
Income Tax Expense	(865)	2,819	705	5,481
Net Earnings (Loss) Including Noncontrolling Interest	1,605	(6,628)	11,383	(13,989)
Net Earnings (Loss) Attributable to Noncontrolling Interest	33	37	81	(28)
Net Earnings (Loss) Attributable to Tennant Company	$ 1,572	$ (6,665)	$ 11,302	$ (13,961)

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Separate Financial Information of Guarantor Subsidiaries Condensed Consolidated Statements of Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Net Earnings (Loss) Including Noncontrolling Interest	$ 9,709	$ 3,596	$ 25,775	$ (3,017)
Other Comprehensive (Loss) Income:
Foreign currency translation adjustments	(3,110)	9,033	(14,202)	25,073
Pension and retiree medical benefits	12	379	105	541
Cash flow hedge	(28)	(1,732)	(1,367)	(6,311)
Income Taxes:
Foreign currency translation adjustments	280	0	524	0
Pension and retiree medical benefits	(2)	(138)	(156)	(160)
Cash flow hedge	6	646	(814)	2,354
Total Other Comprehensive (Loss) Income, net of tax	(2,842)	8,188	(15,910)	21,497
Total Comprehensive Income Including Noncontrolling Interest	6,867	11,784	9,865	18,480
Comprehensive Income (Loss) Attributable to Noncontrolling Interest	33	37	81	(28)
Comprehensive Income Attributable to Tennant Company	6,834	11,747	9,784	18,508
Eliminations
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Net Earnings (Loss) Including Noncontrolling Interest	(5,516)	3,131	(22,520)	3,305
Other Comprehensive (Loss) Income:
Foreign currency translation adjustments	3,436	(9,510)	20,365	(2,023)
Pension and retiree medical benefits	0	(10)	(19)	(151)
Cash flow hedge	0	0	0	0
Income Taxes:
Foreign currency translation adjustments	(280)	0	(524)	0
Pension and retiree medical benefits	0	0	0	15
Cash flow hedge	0	0	0	0
Total Other Comprehensive (Loss) Income, net of tax	3,156	(9,520)	19,822	(2,159)
Total Comprehensive Income Including Noncontrolling Interest	(2,360)	(6,389)	(2,698)	1,146
Comprehensive Income (Loss) Attributable to Noncontrolling Interest	(33)	(37)	(81)	28
Comprehensive Income Attributable to Tennant Company	(2,327)	(6,352)	(2,617)	1,118
Parent
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Net Earnings (Loss) Including Noncontrolling Interest	9,709	3,596	25,775	(3,017)
Other Comprehensive (Loss) Income:
Foreign currency translation adjustments	(3,110)	9,033	(14,202)	25,073
Pension and retiree medical benefits	12	379	105	541
Cash flow hedge	(28)	(1,732)	(1,367)	(6,311)
Income Taxes:
Foreign currency translation adjustments	280	0	524	0
Pension and retiree medical benefits	(2)	(138)	(156)	(160)
Cash flow hedge	6	646	(814)	2,354
Total Other Comprehensive (Loss) Income, net of tax	(2,842)	8,188	(15,910)	21,497
Total Comprehensive Income Including Noncontrolling Interest	6,867	11,784	9,865	18,480
Comprehensive Income (Loss) Attributable to Noncontrolling Interest	33	37	81	(28)
Comprehensive Income Attributable to Tennant Company	6,834	11,747	9,784	18,508
Guarantor Subsidiaries
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Net Earnings (Loss) Including Noncontrolling Interest	3,911	3,497	11,137	10,684
Other Comprehensive (Loss) Income:
Foreign currency translation adjustments	228	289	(262)	693
Pension and retiree medical benefits	0	0	0	0
Cash flow hedge	0	0	0	0
Income Taxes:
Foreign currency translation adjustments	0	0	0	0
Pension and retiree medical benefits	0	0	0	0
Cash flow hedge	0	0	0	0
Total Other Comprehensive (Loss) Income, net of tax	228	289	(262)	693
Total Comprehensive Income Including Noncontrolling Interest	4,139	3,786	10,875	11,377
Comprehensive Income (Loss) Attributable to Noncontrolling Interest	0	0	0	0
Comprehensive Income Attributable to Tennant Company	4,139	3,786	10,875	11,377
Non-Guarantor Subsidiaries
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Net Earnings (Loss) Including Noncontrolling Interest	1,605	(6,628)	11,383	(13,989)
Other Comprehensive (Loss) Income:
Foreign currency translation adjustments	(3,664)	9,221	(20,103)	1,330
Pension and retiree medical benefits	0	10	19	151
Cash flow hedge	0	0	0	0
Income Taxes:
Foreign currency translation adjustments	280	0	524	0
Pension and retiree medical benefits	0	0	0	(15)
Cash flow hedge	0	0	0	0
Total Other Comprehensive (Loss) Income, net of tax	(3,384)	9,231	(19,560)	1,466
Total Comprehensive Income Including Noncontrolling Interest	(1,779)	2,603	(8,177)	(12,523)
Comprehensive Income (Loss) Attributable to Noncontrolling Interest	33	37	81	(28)
Comprehensive Income Attributable to Tennant Company	$ (1,812)	$ 2,566	$ (8,258)	$ (12,495)

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Separate Financial Information of Guarantor Subsidiaries Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current Assets:
Cash and Cash Equivalents	$ 53,473	$ 58,398
Restricted Cash	534	653
Net Receivables	208,119	209,516
Intercompany Receivables	0	0
Inventories	139,793	127,694
Prepaid Expenses	28,356	19,351
Other Current Assets	8,865	7,503
Total Current Assets	439,140	423,115
Property, Plant and Equipment	381,443	382,768
Accumulated Depreciation	(217,625)	(202,750)
Property, Plant and Equipment, Net	163,818	180,018
Deferred Income Taxes	15,062	11,134
Investment in Affiliates	0	0
Intercompany Loans	0	0
Goodwill	184,619	186,044
Intangible Assets, Net	152,974	172,347
Other Assets	14,953	21,319
Total Assets	970,566	993,977
Current Liabilities:
Current Portion of Long-Term Debt	30,999	30,883
Accounts Payable	90,778	96,082
Intercompany Payables	0	0
Employee Compensation and Benefits	42,157	37,257
Income Taxes Payable	2,972	2,838
Other Current Liabilities	71,842	69,447
Total Current Liabilities	238,748	236,507
Long-Term Liabilities:
Long-Term Debt	316,937	345,956
Intercompany Loans	0	0
Employee-Related Benefits	21,828	23,867
Deferred Income Taxes	48,491	53,225
Other Liabilities	35,479	35,948
Total Long-Term Liabilities	422,735	458,996
Total Liabilities	661,483	695,503
Common Stock	6,796	6,705
Additional Paid-In Capital	26,087	15,089
Retained Earnings	312,539	297,032
Accumulated Other Comprehensive Loss	(38,233)	(22,323)
Total Tennant Company Shareholders' Equity	307,189	296,503
Noncontrolling Interest	1,894	1,971
Total Equity	309,083	298,474
Total Liabilities and Total Equity	970,566	993,977
Eliminations
Current Assets:
Cash and Cash Equivalents	0	0
Restricted Cash	0	0
Net Receivables	0	0
Intercompany Receivables	(174,196)	(187,222)
Inventories	(10,403)	(8,993)
Prepaid Expenses	0	0
Other Current Assets	0	0
Total Current Assets	(184,599)	(196,215)
Property, Plant and Equipment	0	0
Accumulated Depreciation	0	0
Property, Plant and Equipment, Net	0	0
Deferred Income Taxes	0	0
Investment in Affiliates	(434,523)	(424,570)
Intercompany Loans	(307,667)	(309,805)
Goodwill	0	0
Intangible Assets, Net	0	0
Other Assets	0	0
Total Assets	(926,789)	(930,590)
Current Liabilities:
Current Portion of Long-Term Debt	0	0
Accounts Payable	0	0
Intercompany Payables	(174,196)	(187,222)
Employee Compensation and Benefits	0	0
Income Taxes Payable	(298)	0
Other Current Liabilities	298	0
Total Current Liabilities	(174,196)	(187,222)
Long-Term Liabilities:
Long-Term Debt	0	0
Intercompany Loans	(307,667)	(309,805)
Employee-Related Benefits	0	0
Deferred Income Taxes	0	0
Other Liabilities	0	0
Total Long-Term Liabilities	(307,667)	(309,805)
Total Liabilities	(481,863)	(497,027)
Common Stock	(11,131)	(11,131)
Additional Paid-In Capital	(465,767)	(456,943)
Retained Earnings	(25,016)	(2,578)
Accumulated Other Comprehensive Loss	58,882	39,060
Total Tennant Company Shareholders' Equity	(443,032)	(431,592)
Noncontrolling Interest	(1,894)	(1,971)
Total Equity	(444,926)	(433,563)
Total Liabilities and Total Equity	(926,789)	(930,590)
Parent
Current Assets:
Cash and Cash Equivalents	18,082	18,469
Restricted Cash	0	0
Net Receivables	494	683
Intercompany Receivables	31,488	53,444
Inventories	35,858	29,450
Prepaid Expenses	17,673	8,774
Other Current Assets	4,691	4,030
Total Current Assets	108,286	114,850
Property, Plant and Equipment	228,237	225,064
Accumulated Depreciation	(156,476)	(146,320)
Property, Plant and Equipment, Net	71,761	78,744
Deferred Income Taxes	3,127	1,308
Investment in Affiliates	403,903	392,486
Intercompany Loans	303,670	304,822
Goodwill	12,870	12,869
Intangible Assets, Net	4,210	2,105
Other Assets	6,057	10,363
Total Assets	913,884	917,547
Current Liabilities:
Current Portion of Long-Term Debt	29,705	29,413
Accounts Payable	34,447	39,927
Intercompany Payables	143,095	133,778
Employee Compensation and Benefits	10,588	8,311
Income Taxes Payable	469	366
Other Current Liabilities	28,216	20,183
Total Current Liabilities	246,520	231,978
Long-Term Liabilities:
Long-Term Debt	315,277	344,147
Intercompany Loans	3,997	0
Employee-Related Benefits	11,519	11,160
Deferred Income Taxes	0	0
Other Liabilities	27,488	31,788
Total Long-Term Liabilities	358,281	387,095
Total Liabilities	604,801	619,073
Common Stock	6,796	6,705
Additional Paid-In Capital	26,087	15,089
Retained Earnings	312,539	297,032
Accumulated Other Comprehensive Loss	(38,233)	(22,323)
Total Tennant Company Shareholders' Equity	307,189	296,503
Noncontrolling Interest	1,894	1,971
Total Equity	309,083	298,474
Total Liabilities and Total Equity	913,884	917,547
Guarantor Subsidiaries
Current Assets:
Cash and Cash Equivalents	668	507
Restricted Cash	0	0
Net Receivables	93,464	88,629
Intercompany Receivables	142,708	133,778
Inventories	15,118	12,695
Prepaid Expenses	705	1,172
Other Current Assets	340	0
Total Current Assets	253,003	236,781
Property, Plant and Equipment	12,533	12,155
Accumulated Depreciation	(6,459)	(6,333)
Property, Plant and Equipment, Net	6,074	5,822
Deferred Income Taxes	3,078	2,669
Investment in Affiliates	12,133	11,273
Intercompany Loans	0	0
Goodwill	1,726	1,739
Intangible Assets, Net	2,738	2,898
Other Assets	0	0
Total Assets	278,752	261,182
Current Liabilities:
Current Portion of Long-Term Debt	0	0
Accounts Payable	6,727	3,018
Intercompany Payables	0	1,963
Employee Compensation and Benefits	12,873	10,355
Income Taxes Payable	0	0
Other Current Liabilities	14,348	15,760
Total Current Liabilities	33,948	31,096
Long-Term Liabilities:
Long-Term Debt	0	0
Intercompany Loans	128,000	128,000
Employee-Related Benefits	1,916	3,992
Deferred Income Taxes	0	0
Other Liabilities	3,336	2,483
Total Long-Term Liabilities	133,252	134,475
Total Liabilities	167,200	165,571
Common Stock	0	0
Additional Paid-In Capital	77,551	72,483
Retained Earnings	34,932	23,797
Accumulated Other Comprehensive Loss	(931)	(669)
Total Tennant Company Shareholders' Equity	111,552	95,611
Noncontrolling Interest	0	0
Total Equity	111,552	95,611
Total Liabilities and Total Equity	278,752	261,182
Non-Guarantor Subsidiaries
Current Assets:
Cash and Cash Equivalents	34,723	39,422
Restricted Cash	534	653
Net Receivables	114,161	120,204
Intercompany Receivables	0	0
Inventories	99,220	94,542
Prepaid Expenses	9,978	9,405
Other Current Assets	3,834	3,473
Total Current Assets	262,450	267,699
Property, Plant and Equipment	140,673	145,549
Accumulated Depreciation	(54,690)	(50,097)
Property, Plant and Equipment, Net	85,983	95,452
Deferred Income Taxes	8,857	7,157
Investment in Affiliates	18,487	20,811
Intercompany Loans	3,997	4,983
Goodwill	170,023	171,436
Intangible Assets, Net	146,026	167,344
Other Assets	8,896	10,956
Total Assets	704,719	745,838
Current Liabilities:
Current Portion of Long-Term Debt	1,294	1,470
Accounts Payable	49,604	53,137
Intercompany Payables	31,101	51,481
Employee Compensation and Benefits	18,696	18,591
Income Taxes Payable	2,801	2,472
Other Current Liabilities	28,980	33,504
Total Current Liabilities	132,476	160,655
Long-Term Liabilities:
Long-Term Debt	1,660	1,809
Intercompany Loans	175,670	181,805
Employee-Related Benefits	8,393	8,715
Deferred Income Taxes	48,491	53,225
Other Liabilities	4,655	1,677
Total Long-Term Liabilities	238,869	247,231
Total Liabilities	371,345	407,886
Common Stock	11,131	11,131
Additional Paid-In Capital	388,216	384,460
Retained Earnings	(9,916)	(21,219)
Accumulated Other Comprehensive Loss	(57,951)	(38,391)
Total Tennant Company Shareholders' Equity	331,480	335,981
Noncontrolling Interest	1,894	1,971
Total Equity	333,374	337,952
Total Liabilities and Total Equity	$ 704,719	$ 745,838

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Separate Financial Information of Guarantor Subsidiaries Condensed Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
OPERATING ACTIVITIES
Net Cash Provided by (Used in) Operating Activities	$ 43,469	$ 32,123
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	(12,768)	(16,239)
Proceeds from Disposals of Property, Plant and Equipment	108	2,456
Proceeds from Principal Payments Received on Long-Term Note Receivable	828	500
Proceeds from Sale of Business	4,000	0
Issuance of Long-Term Note Receivable	0	(1,500)
Acquisition of Businesses, Net of Cash, Cash Equivalents and Restricted Cash Acquired	0	(353,535)
Purchase of Intangible Assets	(2,607)	(2,500)
Change in Investments in Subsidiaries	0	0
Loan Payments from Subsidiaries	0
Loan Payments from Parent	0
Loan (Payments) Borrowings from Subsidiaries		0
Net Cash Used in Investing Activities	(10,439)	(370,818)
FINANCING ACTIVITIES
Proceeds from Short-Term Debt	0	300,000
Repayments of Short-Term Debt	0	(300,000)
Loan Borrowings (Payments) from Parent		0
Change in Subsidiary Equity	0	0
Proceeds from Issuance of Long-term Debt	0	440,000
Payments of Long-term Debt	(30,216)	(81,262)
Payments of Debt Issuance Costs	0	(16,465)
Change in Capital Lease Obligations	7	0
Loan Payments to Parent	0
Loan Payments to Subsidiaries	0
Proceeds from Issuance of Common Stock	5,735	4,728
Dividends Paid	(11,356)	(11,204)
Net Cash (Used in) Provided by Financing Activities	(35,830)	335,797
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	(2,244)	1,587
Net Decrease in Cash, Cash Equivalents and Restricted Cash	(5,044)	(1,311)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	59,051	58,550
Cash, Cash Equivalents and Restricted Cash at End of Period	54,007	57,239
Eliminations
OPERATING ACTIVITIES
Net Cash Provided by (Used in) Operating Activities	0	0
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	0	0
Proceeds from Disposals of Property, Plant and Equipment	0	0
Proceeds from Principal Payments Received on Long-Term Note Receivable	0	0
Proceeds from Sale of Business	0
Issuance of Long-Term Note Receivable		0
Acquisition of Businesses, Net of Cash, Cash Equivalents and Restricted Cash Acquired		0
Purchase of Intangible Assets	0	0
Change in Investments in Subsidiaries	1,817	193,639
Loan Payments from Subsidiaries	(1,218)
Loan Payments from Parent	(986)
Loan (Payments) Borrowings from Subsidiaries		159,780
Net Cash Used in Investing Activities	(387)	353,419
FINANCING ACTIVITIES
Proceeds from Short-Term Debt		0
Repayments of Short-Term Debt		0
Loan Borrowings (Payments) from Parent		(159,780)
Change in Subsidiary Equity	(1,817)	(193,639)
Proceeds from Issuance of Long-term Debt		0
Payments of Long-term Debt	0	0
Payments of Debt Issuance Costs		0
Change in Capital Lease Obligations	0
Loan Payments to Parent	(1,218)
Loan Payments to Subsidiaries	986
Proceeds from Issuance of Common Stock	0	0
Dividends Paid	0	0
Net Cash (Used in) Provided by Financing Activities	387	(353,419)
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	0	0
Net Decrease in Cash, Cash Equivalents and Restricted Cash	0	0
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	0	0
Cash, Cash Equivalents and Restricted Cash at End of Period	0	0
Parent
OPERATING ACTIVITIES
Net Cash Provided by (Used in) Operating Activities	43,661	(555)
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	(4,505)	(7,400)
Proceeds from Disposals of Property, Plant and Equipment	20	17
Proceeds from Principal Payments Received on Long-Term Note Receivable	0	0
Proceeds from Sale of Business	0
Issuance of Long-Term Note Receivable		0
Acquisition of Businesses, Net of Cash, Cash Equivalents and Restricted Cash Acquired		(304)
Purchase of Intangible Assets	(2,500)	(2,500)
Change in Investments in Subsidiaries	(1,817)	(193,639)
Loan Payments from Subsidiaries	1,218
Loan Payments from Parent	0
Loan (Payments) Borrowings from Subsidiaries		(159,780)
Net Cash Used in Investing Activities	(7,584)	(363,606)
FINANCING ACTIVITIES
Proceeds from Short-Term Debt		300,000
Repayments of Short-Term Debt		(300,000)
Loan Borrowings (Payments) from Parent		0
Change in Subsidiary Equity	0	0
Proceeds from Issuance of Long-term Debt		440,000
Payments of Long-term Debt	(30,000)	(81,143)
Payments of Debt Issuance Costs		(16,465)
Change in Capital Lease Obligations	0
Loan Payments to Parent	0
Loan Payments to Subsidiaries	(986)
Proceeds from Issuance of Common Stock	5,735	4,728
Dividends Paid	(11,356)	(11,204)
Net Cash (Used in) Provided by Financing Activities	(36,607)	335,916
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	143	(68)
Net Decrease in Cash, Cash Equivalents and Restricted Cash	(387)	(28,313)
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	18,469	38,484
Cash, Cash Equivalents and Restricted Cash at End of Period	18,082	10,171
Guarantor Subsidiaries
OPERATING ACTIVITIES
Net Cash Provided by (Used in) Operating Activities	219	798
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	(58)	0
Proceeds from Disposals of Property, Plant and Equipment	0	0
Proceeds from Principal Payments Received on Long-Term Note Receivable	0	0
Proceeds from Sale of Business	0
Issuance of Long-Term Note Receivable		0
Acquisition of Businesses, Net of Cash, Cash Equivalents and Restricted Cash Acquired		0
Purchase of Intangible Assets	0	0
Change in Investments in Subsidiaries	0	0
Loan Payments from Subsidiaries	0
Loan Payments from Parent	0
Loan (Payments) Borrowings from Subsidiaries		0
Net Cash Used in Investing Activities	(58)	0
FINANCING ACTIVITIES
Proceeds from Short-Term Debt		0
Repayments of Short-Term Debt		0
Loan Borrowings (Payments) from Parent		0
Change in Subsidiary Equity	0	0
Proceeds from Issuance of Long-term Debt		0
Payments of Long-term Debt	0	0
Payments of Debt Issuance Costs		0
Change in Capital Lease Obligations	0
Loan Payments to Parent	0
Loan Payments to Subsidiaries	0
Proceeds from Issuance of Common Stock	0	0
Dividends Paid	0	0
Net Cash (Used in) Provided by Financing Activities	0	0
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	0	0
Net Decrease in Cash, Cash Equivalents and Restricted Cash	161	798
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	507	226
Cash, Cash Equivalents and Restricted Cash at End of Period	668	1,024
Non-Guarantor Subsidiaries
OPERATING ACTIVITIES
Net Cash Provided by (Used in) Operating Activities	(411)	31,880
INVESTING ACTIVITIES
Purchases of Property, Plant and Equipment	(8,205)	(8,839)
Proceeds from Disposals of Property, Plant and Equipment	88	2,439
Proceeds from Principal Payments Received on Long-Term Note Receivable	828	500
Proceeds from Sale of Business	4,000
Issuance of Long-Term Note Receivable		(1,500)
Acquisition of Businesses, Net of Cash, Cash Equivalents and Restricted Cash Acquired		(353,231)
Purchase of Intangible Assets	(107)	0
Change in Investments in Subsidiaries	0	0
Loan Payments from Subsidiaries	0
Loan Payments from Parent	986
Loan (Payments) Borrowings from Subsidiaries		0
Net Cash Used in Investing Activities	(2,410)	(360,631)
FINANCING ACTIVITIES
Proceeds from Short-Term Debt		0
Repayments of Short-Term Debt		0
Loan Borrowings (Payments) from Parent		159,780
Change in Subsidiary Equity	1,817	193,639
Proceeds from Issuance of Long-term Debt		0
Payments of Long-term Debt	(216)	(119)
Payments of Debt Issuance Costs		0
Change in Capital Lease Obligations	7
Loan Payments to Parent	1,218
Loan Payments to Subsidiaries	0
Proceeds from Issuance of Common Stock	0	0
Dividends Paid	0	0
Net Cash (Used in) Provided by Financing Activities	390	353,300
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	(2,387)	1,655
Net Decrease in Cash, Cash Equivalents and Restricted Cash	(4,818)	26,204
Cash, Cash Equivalents and Restricted Cash at Beginning of Period	40,075	19,840
Cash, Cash Equivalents and Restricted Cash at End of Period	$ 35,257	$ 46,044

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Separate Financial Information of Guarantor Subsidiaries Narrative (Details) - Bonds $ in Thousands	Apr. 18, 2017 USD ($)
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Debt Instrument, Face Amount	$ 300,000
Debt Instrument, Interest Rate, Stated Percentage	5.625%