CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]
Net income	$ 82,750	$ 58,626	$ 156,923	$ 99,179
Unrealized gain on defined benefit plan, net of tax	7,133	4,961	5,600	6,855
Unrealized gain (loss) on swaps and collars, net of tax	2,063	(2,027)	4,894	1,799
Unrealized foreign currency (loss), net of tax	(41,366)	12,849	(53,951)	9,111
Comprehensive income	50,580	74,409	113,466	116,944
Less: Comprehensive income attributable to noncontrolling interest	(2,595)	(3,252)	(4,077)	(4,353)
Total comprehensive income attributable to common stockholders	$ 47,985	$ 71,157	$ 109,389	$ 112,591