Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 198,043	$ 204,925	$ 493,826	$ 377,440
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	6,932	(25,431)	8,764	(32,229)
Interest rate swaps – net change in deferred gain or loss	3,818	3,869	7,652	9,239
Pension plans – net change in deferred actuarial loss	33	(143)	67	(95)
Other comprehensive income (loss), net of tax	10,783	(21,705)	16,483	(23,085)
Comprehensive income	$ 208,826	$ 183,220	$ 510,309	$ 354,355