Segment and Geographic Data, Operating Margin Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating margin reconciliation [Abstract]
Segment Operating Income	$ 750,621	$ 455,942	$ 543,696
Restructuring and Severance Costs	0	(743)	(24,139)
Impact of coronavirus outbreak	0	1,451	0
Consolidated Operating Income (Loss)	467,802	209,710	262,430
Unallocated Other Income (Expense)	(33,192)	(51,382)	(36,132)
Consolidated Income Before Taxes	434,610	158,328	226,298
Segment Reconciling Items [Member]
Operating margin reconciliation [Abstract]
Segment Operating Income	$ (282,819)	$ (246,940)	$ (257,127)