Restructuring Charges - Restructuring Costs Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Structural Simplification Cost Savings Program
Restructuring Reserve [Roll Forward]
Remaining liability at beginning of period	$ 41,392
Charges	21,516	$ 109,830
Payments/Utilization	(46,915)
Remaining liability at end of period	15,993	41,392
Structural Simplification Cost Savings Program | Severance
Restructuring Reserve [Roll Forward]
Remaining liability at beginning of period	27,670
Charges	11,742
Payments/Utilization	(30,010)
Remaining liability at end of period	9,402	27,670
Structural Simplification Cost Savings Program | Other restructuring costs
Restructuring Reserve [Roll Forward]
Remaining liability at beginning of period	13,722
Charges	9,774
Payments/Utilization	(16,905)
Remaining liability at end of period	6,591	13,722
Capital Light Initiative
Restructuring Reserve [Roll Forward]
Remaining liability at beginning of period	0
Charges	37,571
Payments/Utilization	(19,936)
Remaining liability at end of period	17,635	0
Capital Light Initiative | Severance
Restructuring Reserve [Roll Forward]
Remaining liability at beginning of period	0
Charges	18,992
Payments/Utilization	(12,841)
Remaining liability at end of period	6,151	0
Capital Light Initiative | Other restructuring costs
Restructuring Reserve [Roll Forward]
Remaining liability at beginning of period	0
Charges	18,579
Payments/Utilization	(7,095)
Remaining liability at end of period	$ 11,484	$ 0