Restructuring Related Balance Sheet Activity (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($)
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2021	$ 72,626
Costs charged to expense	(830)
Cash payments	(21,156)
Cash receipts	2,007
Net assets disposed and impaired	(2,958)
Effect of change in exchange rates	(2,424)
Ending balance, September 30, 2021	47,265
Accrued Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2021	70,005
Costs charged to expense	(7,586)
Cash payments	(16,431)
Cash receipts	0
Net assets disposed and impaired	0
Effect of change in exchange rates	(2,377)
Ending balance, September 30, 2021	43,611
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2021	0
Costs charged to expense	951
Cash payments	0
Cash receipts	2,007
Net assets disposed and impaired	(2,958)
Effect of change in exchange rates	0
Ending balance, September 30, 2021	0
Other Accrued Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance, January 1, 2021	2,621
Costs charged to expense	5,805
Cash payments	(4,725)
Cash receipts	0
Net assets disposed and impaired	0
Effect of change in exchange rates	(47)
Ending balance, September 30, 2021	$ 3,654