Income Taxes (Schedule of Components of Provision (Benefit) for Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current
Federal	$ 112,811	$ 72,921	$ 52,194
State	19,147	17,346	11,967
International	29,288	26,301	24,239
Provision for current income taxes	161,246	116,568	88,400
Deferred
Federal	(7,019)	(14,126)	4,826
State	(503)	(2,863)	269
International	4,086	(19,725)	931
Provision (benefit) for deferred income taxes	(3,436)	(36,714)	6,026
Provision for income taxes	$ 157,810	$ 79,854	$ 94,426