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Other Long-term Liabilities Other Long-term Liabilities (Notes)
 6 Months Ended
Jun. 30, 2023
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):
 June 30,
2023		December 31,
2022
Non-current asbestos-related liabilities$25,110 $26,370 
Other long-term liabilities33,520 29,970 
Total other long-term liabilities$58,630 $56,340