Restructuring - Related Balance Sheet Activity (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve - Beginning Balance	$ 72,626
Costs Recognized in Prior Periods	54,623
Cash payments	(29,658)
Cash receipts	4,495
Net assets disposed and impaired	13,239
Effect of change in exchange rates	(3,841)
Restructuring Reserve - Ending Balance	85,006
Employee severance costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve - Beginning Balance	70,005
Costs Recognized in Prior Periods	37,320
Cash payments	(23,687)
Cash receipts	0
Net assets disposed and impaired	0
Effect of change in exchange rates	(3,762)
Restructuring Reserve - Ending Balance	79,876
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve - Beginning Balance	0
Costs Recognized in Prior Periods	8,744
Cash payments	0
Cash receipts	4,495
Net assets disposed and impaired	13,239
Effect of change in exchange rates	0
Restructuring Reserve - Ending Balance	0
Other restructuring costs
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve - Beginning Balance	2,621
Costs Recognized in Prior Periods	8,559
Cash payments	(5,971)
Cash receipts	0
Net assets disposed and impaired	0
Effect of change in exchange rates	(79)
Restructuring Reserve - Ending Balance	$ 5,130