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Separate Financial Information of Guarantor Subsidiaries Balance Sheets (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | --- | --- | ---
Current Assets: |  |  |  |
Cash and Cash Equivalents | $ 85,609 | $ 58,398 |  |
Restricted Cash | 525 | 653 |  |
Net Receivables | 216,170 | 209,516 |  |
Intercompany Receivables | 0 | 0 |  |
Inventories | 135,133 | 127,694 |  |
Prepaid Expenses | 22,141 | 19,351 |  |
Other Current Assets | 9,066 | 7,503 |  |
Total Current Assets | 468,644 | 423,115 |  |
Property, Plant and Equipment | 386,641 | 382,768 |  |
Accumulated Depreciation | (223,194) | (202,750) |  |
Property, Plant and Equipment, Net | 163,447 | 180,018 |  |
Deferred Income Taxes | 15,489 | 11,134 |  |
Investment in Affiliates | 0 | 0 |  |
Intercompany Loans | 0 | 0 |  |
Goodwill | 182,671 | 186,044 | $ 21,065 |
Intangible Assets, Net | 146,546 | 172,347 |  |
Other Assets | 15,747 | 21,319 |  |
Total Assets | 992,544 | 993,977 |  |
Current Liabilities: |  |  |  |
Current Portion of Long-Term Debt | 27,005 | 30,883 |  |
Accounts Payable | 98,398 | 96,082 |  |
Intercompany Payables | 0 | 0 |  |
Employee Compensation and Benefits | 49,453 | 37,257 |  |
Income Taxes Payable | 2,123 | 2,838 |  |
Other Current Liabilities | 71,895 | 69,447 |  |
Total Current Liabilities | 248,874 | 236,507 |  |
Long-Term Liabilities: |  |  |  |
Long-Term Debt | 328,060 | 345,956 |  |
Intercompany Loans | 0 | 0 |  |
Employee-Related Benefits | 21,110 | 23,867 |  |
Deferred Income Taxes | 46,018 | 53,225 |  |
Other Liabilities | 32,130 | 35,948 |  |
Total Long-Term Liabilities | 427,318 | 458,996 |  |
Total Liabilities | 676,192 | 695,503 |  |
Common Stock | 6,797 | 6,705 |  |
Additional Paid-In Capital | 28,550 | 15,089 |  |
Retained Earnings | 316,269 | 297,032 |  |
Accumulated Other Comprehensive Loss | (37,194) | (22,323) | (49,923) |
Total Tennant Company Shareholders’ Equity | 314,422 | 296,503 |  |
Noncontrolling Interest | 1,930 | 1,971 |  |
Total Equity | 316,352 | 298,474 | $ 278,543 | $ 252,207
Total Liabilities and Total Equity | 992,544 | 993,977 |  |
Parent Company |  |  |  |
Current Assets: |  |  |  |
Cash and Cash Equivalents | 24,779 | 18,469 |  |
Restricted Cash | 0 | 0 |  |
Net Receivables | 866 | 683 |  |
Intercompany Receivables | 29,976 | 53,444 |  |
Inventories | 37,154 | 29,450 |  |
Prepaid Expenses | 12,565 | 8,774 |  |
Other Current Assets | 4,935 | 4,030 |  |
Total Current Assets | 110,275 | 114,850 |  |
Property, Plant and Equipment | 229,826 | 225,064 |  |
Accumulated Depreciation | (159,344) | (146,320) |  |
Property, Plant and Equipment, Net | 70,482 | 78,744 |  |
Deferred Income Taxes | 4,035 | 1,308 |  |
Investment in Affiliates | 420,897 | 392,486 |  |
Intercompany Loans | 301,555 | 304,822 |  |
Goodwill | 12,870 | 12,869 |  |
Intangible Assets, Net | 4,012 | 2,105 |  |
Other Assets | 6,987 | 10,363 |  |
Total Assets | 931,113 | 917,547 |  |
Current Liabilities: |  |  |  |
Current Portion of Long-Term Debt | 21,816 | 29,413 |  |
Accounts Payable | 40,991 | 39,927 |  |
Intercompany Payables | 149,460 | 133,778 |  |
Employee Compensation and Benefits | 13,947 | 8,311 |  |
Income Taxes Payable | 806 | 366 |  |
Other Current Liabilities | 22,387 | 20,183 |  |
Total Current Liabilities | 249,407 | 231,978 |  |
Long-Term Liabilities: |  |  |  |
Long-Term Debt | 326,460 | 344,147 |  |
Intercompany Loans | 3,205 | 0 |  |
Employee-Related Benefits | 11,041 | 11,160 |  |
Deferred Income Taxes | 0 | 0 |  |
Other Liabilities | 24,648 | 31,788 |  |
Total Long-Term Liabilities | 365,354 | 387,095 |  |
Total Liabilities | 614,761 | 619,073 |  |
Common Stock | 6,797 | 6,705 |  |
Additional Paid-In Capital | 28,550 | 15,089 |  |
Retained Earnings | 316,269 | 297,032 |  |
Accumulated Other Comprehensive Loss | (37,194) | (22,323) |  |
Total Tennant Company Shareholders’ Equity | 314,422 | 296,503 |  |
Noncontrolling Interest | 1,930 | 1,971 |  |
Total Equity | 316,352 | 298,474 |  |
Total Liabilities and Total Equity | 931,113 | 917,547 |  |
Guarantor Subsidiaries |  |  |  |
Current Assets: |  |  |  |
Cash and Cash Equivalents | 1,610 | 507 |  |
Restricted Cash | 0 | 0 |  |
Net Receivables | 94,763 | 88,629 |  |
Intercompany Receivables | 148,961 | 133,778 |  |
Inventories | 13,381 | 12,695 |  |
Prepaid Expenses | 782 | 1,172 |  |
Other Current Assets | 396 | 0 |  |
Total Current Assets | 259,893 | 236,781 |  |
Property, Plant and Equipment | 12,677 | 12,155 |  |
Accumulated Depreciation | (6,913) | (6,333) |  |
Property, Plant and Equipment, Net | 5,764 | 5,822 |  |
Deferred Income Taxes | 3,072 | 2,669 |  |
Investment in Affiliates | 12,142 | 11,273 |  |
Intercompany Loans | 0 | 0 |  |
Goodwill | 1,726 | 1,739 |  |
Intangible Assets, Net | 2,684 | 2,898 |  |
Other Assets | (2) | 0 |  |
Total Assets | 285,279 | 261,182 |  |
Current Liabilities: |  |  |  |
Current Portion of Long-Term Debt | 0 | 0 |  |
Accounts Payable | 4,982 | 3,018 |  |
Intercompany Payables | 0 | 1,963 |  |
Employee Compensation and Benefits | 16,890 | 10,355 |  |
Income Taxes Payable | 0 | 0 |  |
Other Current Liabilities | 17,939 | 15,760 |  |
Total Current Liabilities | 39,811 | 31,096 |  |
Long-Term Liabilities: |  |  |  |
Long-Term Debt | 0 | 0 |  |
Intercompany Loans | 128,000 | 128,000 |  |
Employee-Related Benefits | 2,015 | 3,992 |  |
Deferred Income Taxes | 0 | 0 |  |
Other Liabilities | 2,899 | 2,483 |  |
Total Long-Term Liabilities | 132,914 | 134,475 |  |
Total Liabilities | 172,725 | 165,571 |  |
Common Stock | 0 | 0 |  |
Additional Paid-In Capital | 77,551 | 72,483 |  |
Retained Earnings | 36,633 | 23,797 |  |
Accumulated Other Comprehensive Loss | (1,630) | (669) |  |
Total Tennant Company Shareholders’ Equity | 112,554 | 95,611 |  |
Noncontrolling Interest | 0 | 0 |  |
Total Equity | 112,554 | 95,611 |  |
Total Liabilities and Total Equity | 285,279 | 261,182 |  |
Non-Guarantor Subsidiaries |  |  |  |
Current Assets: |  |  |  |
Cash and Cash Equivalents | 59,220 | 39,422 |  |
Restricted Cash | 525 | 653 |  |
Net Receivables | 120,541 | 120,204 |  |
Intercompany Receivables | 0 | 0 |  |
Inventories | 94,680 | 94,542 |  |
Prepaid Expenses | 9,282 | 9,405 |  |
Other Current Assets | 3,735 | 3,473 |  |
Total Current Assets | 287,983 | 267,699 |  |
Property, Plant and Equipment | 144,138 | 145,549 |  |
Accumulated Depreciation | (56,937) | (50,097) |  |
Property, Plant and Equipment, Net | 87,201 | 95,452 |  |
Deferred Income Taxes | 8,382 | 7,157 |  |
Investment in Affiliates | 20,768 | 20,811 |  |
Intercompany Loans | 3,205 | 4,983 |  |
Goodwill | 168,075 | 171,436 |  |
Intangible Assets, Net | 139,850 | 167,344 |  |
Other Assets | 8,762 | 10,956 |  |
Total Assets | 724,226 | 745,838 |  |
Current Liabilities: |  |  |  |
Current Portion of Long-Term Debt | 5,189 | 1,470 |  |
Accounts Payable | 52,425 | 53,137 |  |
Intercompany Payables | 29,477 | 51,481 |  |
Employee Compensation and Benefits | 18,616 | 18,591 |  |
Income Taxes Payable | 1,984 | 2,472 |  |
Other Current Liabilities | 31,390 | 33,504 |  |
Total Current Liabilities | 139,081 | 160,655 |  |
Long-Term Liabilities: |  |  |  |
Long-Term Debt | 1,600 | 1,809 |  |
Intercompany Loans | 173,555 | 181,805 |  |
Employee-Related Benefits | 8,054 | 8,715 |  |
Deferred Income Taxes | 46,018 | 53,225 |  |
Other Liabilities | 4,583 | 1,677 |  |
Total Long-Term Liabilities | 233,810 | 247,231 |  |
Total Liabilities | 372,891 | 407,886 |  |
Common Stock | 11,131 | 11,131 |  |
Additional Paid-In Capital | 399,459 | 384,460 |  |
Retained Earnings | (2,532) | (21,219) |  |
Accumulated Other Comprehensive Loss | (58,653) | (38,391) |  |
Total Tennant Company Shareholders’ Equity | 349,405 | 335,981 |  |
Noncontrolling Interest | 1,930 | 1,971 |  |
Total Equity | 351,335 | 337,952 |  |
Total Liabilities and Total Equity | 724,226 | 745,838 |  |
Eliminations |  |  |  |
Current Assets: |  |  |  |
Cash and Cash Equivalents | 0 | 0 |  |
Restricted Cash | 0 | 0 |  |
Net Receivables | 0 | 0 |  |
Intercompany Receivables | (178,937) | (187,222) |  |
Inventories | (10,082) | (8,993) |  |
Prepaid Expenses | (488) | 0 |  |
Other Current Assets | 0 | 0 |  |
Total Current Assets | (189,507) | (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 | (453,807) | (424,570) |  |
Intercompany Loans | (304,760) | (309,805) |  |
Goodwill | 0 | 0 |  |
Intangible Assets, Net | 0 | 0 |  |
Other Assets | 0 | 0 |  |
Total Assets | (948,074) | (930,590) |  |
Current Liabilities: |  |  |  |
Current Portion of Long-Term Debt | 0 | 0 |  |
Accounts Payable | 0 | 0 |  |
Intercompany Payables | (178,937) | (187,222) |  |
Employee Compensation and Benefits | 0 | 0 |  |
Income Taxes Payable | (667) | 0 |  |
Other Current Liabilities | 179 | 0 |  |
Total Current Liabilities | (179,425) | (187,222) |  |
Long-Term Liabilities: |  |  |  |
Long-Term Debt | 0 | 0 |  |
Intercompany Loans | (304,760) | (309,805) |  |
Employee-Related Benefits | 0 | 0 |  |
Deferred Income Taxes | 0 | 0 |  |
Other Liabilities | 0 | 0 |  |
Total Long-Term Liabilities | (304,760) | (309,805) |  |
Total Liabilities | (484,185) | (497,027) |  |
Common Stock | (11,131) | (11,131) |  |
Additional Paid-In Capital | (477,010) | (456,943) |  |
Retained Earnings | (34,101) | (2,578) |  |
Accumulated Other Comprehensive Loss | 60,283 | 39,060 |  |
Total Tennant Company Shareholders’ Equity | (461,959) | (431,592) |  |
Noncontrolling Interest | (1,930) | (1,971) |  |
Total Equity | (463,889) | (433,563) |  |
Total Liabilities and Total Equity | $ (948,074) | $ (930,590) |  |

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