Other Non-Current Liabilities

12 Months Ended

Dec. 31, 2021

Other Liabilities Disclosure [Abstract]

Other Non-Current Liabilities

15.  Other Non-Current Liabilities

The composition of other non-current liabilities was as follows:

	December 31
(In thousands)	2021		2020
Deferred revenue	$	9,979	$	11,276
Environmental and legal matters		17,663		17,921
Deferred compensation liability		50,122		51,508
Pension liability		4,552		17,229
Other non-current liabilities		16,606		16,359
Total other non-current liabilities	$	98,922	$	114,293