Revenue Recognition (Contract Assets and Liabilities) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Change In Contract With Customer, Asset And Liability [Roll Forward]
Contract assets, net	$ 277,734
Contract liabilities	194,227
Amounts transferred from contract assets to receivables	74,333	$ 4,258	$ (45,220)
Contract assets, net	195,598	277,734
Contract liabilities	202,965	194,227
Contract Assets, net (Current)
Change In Contract With Customer, Asset And Liability [Roll Forward]
Contract Assets, net (Current)	277,734	272,914
Revenue recognized that was included in contract liabilities at the beginning of the period	0	0
Increase due to revenue recognized in the period in excess of billings	784,934	925,244
Increase due to billings arising during the period in excess of revenue recognized	0	0
Amounts transferred from contract assets to receivables	(848,031)	(917,885)
Currency effects and other, net, contract assets	(19,039)	(2,539)
Contract Assets, net (Current)	195,598	277,734	272,914
Long-term Contract Assets, net
Change In Contract With Customer, Asset And Liability [Roll Forward]
Contract assets, net	1,139	9,280
Revenue recognized that was included in contract liabilities at the beginning of the period	0	0
Increase due to revenue recognized in the period in excess of billings	0	0
Increase due to billings arising during the period in excess of revenue recognized	0	0
Amounts transferred from contract assets to receivables	(2,329)	(1,666)
Currency effects and other, net, contract assets	1,616	(6,475)
Contract assets, net	426	1,139	9,280
Contract Liabilities (Current)
Change In Contract With Customer, Asset And Liability [Roll Forward]
Contract liabilities	194,227	221,095
Revenue recognized that was included in contract liabilities at the beginning of the period	(153,221)	(180,522)
Increase due to revenue recognized in the period in excess of billings	0	0
Increase due to billings arising during the period in excess of revenue recognized	165,990	140,391
Amounts transferred from contract assets to receivables	0	0
Currency effects and other, net, contract liabilities	(4,031)	13,263
Contract liabilities	202,965	194,227	221,095
Long-term Contract Liabilities
Change In Contract With Customer, Asset And Liability [Roll Forward]
Long-term Contract Liabilities	464	822	$ 1,652
Revenue recognized that was included in contract liabilities at the beginning of the period	0	0
Increase due to revenue recognized in the period in excess of billings	0	0
Increase due to billings arising during the period in excess of revenue recognized	0	0
Amounts transferred from contract assets to receivables	0	0
Currency effects and other, net, contract liabilities	$ (358)	$ (830)