Restructuring Expected Costs - 2020 Projects (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring	$ (1,980)	$ (248)
2020 Projects [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	56,844
Restructuring and Related Cost, Cost Incurred to Date			$ 43,232
Restructuring	(2,630)
Restructuring and Related Cost, Expected Cost Remaining	16,242
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	(5,015)
Employee Severance [Member] | 2020 Projects [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	32,907
Restructuring and Related Cost, Cost Incurred to Date			36,225
Restructuring	(3,318)
Restructuring and Related Cost, Expected Cost Remaining	0
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	(45)
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member] | 2020 Projects [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	6,861
Restructuring and Related Cost, Cost Incurred to Date			6,944
Restructuring	(83)
Restructuring and Related Cost, Expected Cost Remaining	0
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	3,080
Other Restructuring [Member] | 2020 Projects [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	17,076
Restructuring and Related Cost, Cost Incurred to Date			$ 63
Restructuring	771
Restructuring and Related Cost, Expected Cost Remaining	$ 16,242