Restructuring Expected Costs - 2020 Projects (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Sep. 17, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring		$ 44,462	$ 6,592	$ 41,531	$ 7,685
2020 Projects [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost		60,373		60,373
Restructuring and Related Cost, Cost Incurred to Date						$ 0
Restructuring	$ 43,900			43,865
Restructuring and Related Cost, Expected Cost Remaining		16,508		16,508
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring				32,155
Employee Severance [Member] | 2020 Projects [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost		36,625		36,625
Restructuring and Related Cost, Cost Incurred to Date						0
Restructuring				36,625
Restructuring and Related Cost, Expected Cost Remaining		0		0
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring				6,518
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		7,240		7,240
Restructuring and Related Cost, Cost Incurred to Date						0
Restructuring				7,240
Restructuring and Related Cost, Expected Cost Remaining		0		0
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring				2,858
Other Restructuring [Member] | 2020 Projects [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost		16,508		16,508
Restructuring and Related Cost, Cost Incurred to Date						$ 0
Restructuring				0
Restructuring and Related Cost, Expected Cost Remaining		$ 16,508		$ 16,508