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Other Noncurrent Liabilities
 6 Months Ended
Jun. 30, 2022
Payables and Accruals [Abstract]  
Other Noncurrent Liabilities Other Noncurrent Liabilities
Other noncurrent liabilities include the following:
June 30,
2022		June 30,
2021		December 31,
2021
 (In thousands)
Benefit plan liabilities$167,262 $210,048 $179,857 
Income taxes payable59,644 67,161 62,915