Income Taxes (Provision For Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ 7,127	$ 7,274	$ 85,761
State	2,405	2,097	2,387
Foreign	74,072	125,431	93,254
Total current	83,604	134,802	181,402
Deferred:
Federal	(4,896)	2,497	12,459
State	(1,658)	8,449	649
Foreign	(8,935)	(15,522)	9,773
Total deferred	(15,489)	(4,576)	22,881
Provision for income taxes	$ 68,115	$ 130,226	$ 204,283