XML 27 R17.htm IDEA: XBRL DOCUMENT v3.21.2
Other Noncurrent Liabilities
 9 Months Ended
Sep. 30, 2021
Payables and Accruals [Abstract]  
Other Noncurrent Liabilities Other Noncurrent Liabilities
Other noncurrent liabilities include the following:
September 30,
2021		September 30,
2020		December 31,
2020
 (In thousands)
Benefit plan liabilities$202,601 $203,295 $225,957 
Deferred income tax liability38,850 61,870 60,892