Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 229,548	$ 198,043	$ 440,093	$ 493,826
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(2,967)	6,932	(12,674)	8,764
Interest rate swaps – net change in deferred gain or loss	3,649	3,818	7,250	7,652
Pension plans – net change in deferred actuarial loss	51	33	102	67
Other comprehensive income (loss), net of tax	733	10,783	(5,322)	16,483
Comprehensive income	$ 230,281	$ 208,826	$ 434,771	$ 510,309