CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (19,863)	$ (49,496)	$ (70,387)	$ (159,875)
Foreign currency translation adjustments	(7,185)	(24,394)	2,298	(63,984)
Net change in:
Deferred gains on derivatives, net of taxes of $521, $2,041, $372 and $4,670, respectively	1,031	5,871	1,177	14,048
Unrecognized retirement obligations, net of taxes of $6, $16, $10 and $50, respectively	11	233	681	537
Other comprehensive income (loss)	(6,143)	(18,290)	4,156	(49,399)
Comprehensive loss	$ (26,006)	$ (67,786)	$ (66,231)	$ (209,274)