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Other Current Liabilities - Schedule of Other Current Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Continuing operations:    
Accrued sales and use taxes $ 6,479 $ 1,547
Self-insured liability 5,066 5,715
Accrued employee benefit costs 4,523 2,363
Commissions payable 4,051 903
Accrued interest payable 3,995 3,042
Accrued restructuring 2,076 2,479
Current portion of pension and postretirement liabilities 1,618 1,805
Accrued professional fees 1,516 1,691
Other taxes 2,187 1,872
Other 4,898 5,123
Total continuing operations 36,409 26,540
Discontinued operations:    
Self-insured liability 296 347
Environmental remediation liabilities 62 61
Other 94 91
Total discontinued operations 452 499
Total other current liabilities $ 36,861 $ 27,039