Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 807,799	$ 793,560	$ 266,745
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(39,679)	(6,621)	10,375
Interest rate swaps - net change in deferred gain or loss	17,075	21,781	(30,940)
Pension plans - net change in deferred actuarial gain or loss	2,425	2,637	(725)
Other comprehensive income (loss), net for the year	(20,179)	17,797	(21,290)
Comprehensive income	$ 787,620	$ 811,357	$ 245,455