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Other Long-term Liabilities
 12 Months Ended
Dec. 31, 2021
Other Liabilities Disclosure [Abstract]  
Other Liabilities Disclosure [Text Block] Other Long-term Liabilities
Other long-term liabilities consist of the following components (dollars in thousands):
December 31,
2021		December 31,
2020
Non-current asbestos-related liabilities$25,210 $26,170 
Other long-term liabilities33,820 43,520 
Total other long-term liabilities$59,030 $69,690