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Other Non-Current Liabilities (Tables)	12 Months Ended
Other Non-Current Liabilities (Tables)	Dec. 31, 2021
Other Liabilities Noncurrent [Abstract]
Schedule of Other Non-Current Liabilities [Table Text Block]	2021 2020 Uncertain tax positions (includes interest and penalties) $ 28,665 $ 28,961 Non-current income taxes payable 8,500 8,500 Deferred and other long-term compensation 6,388 6,257 Environmental reserves 4,424 4,610 Inactive subsidiary litigation and settlement reserve 410 542 Fair value of interest rate swaps - 4,672 Other 1,228 1,627 Total other non -current liabilities $ 49,615 $ 55,169