Restructuring (Restructuring Charges) (Details) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 22,800,000	$ 25,700,000	$ 29,200,000	$ 29,200,000
Charges	14,500,000	23,600,000	7,600,000
Cash payment	(5,800,000)	(7,000,000.0)	(6,900,000)
Utilization	(7,500,000)	(20,000,000.0)	(3,700,000)
Foreign currency translation	0	500,000	(500,000)
Ending Balance	24,000,000.0	22,800,000	25,700,000	24,000,000.0
Restructuring Reserve, Current	17,100,000			17,100,000	$ 26,000,000.0
North America Segment
Restructuring Reserve [Roll Forward]
Charges	11,900,000			19,900,000
Europe Segment
Restructuring Reserve [Roll Forward]
Charges				23,700,000
Rest of World Segment
Restructuring Reserve [Roll Forward]
Charges	300,000			1,600,000
Corporate / Other
Restructuring Reserve [Roll Forward]
Charges				500,000
Europe [Member]
Restructuring Reserve [Roll Forward]
Charges	2,300,000
Employee Related Costs
Restructuring Reserve [Roll Forward]
Beginning Balance	19,900,000	22,900,000	26,400,000	26,400,000
Charges	4,700,000	400,000	2,900,000
Cash payment	(3,600,000)	(3,800,000)	(6,000,000.0)
Utilization	0	0	0
Foreign currency translation	0	400,000	(400,000)
Ending Balance	21,000,000.0	19,900,000	22,900,000	21,000,000.0
Other Exit Costs
Restructuring Reserve [Roll Forward]
Beginning Balance	2,900,000	2,800,000	2,800,000	2,800,000
Charges	9,800,000	23,200,000	4,700,000
Cash payment	(2,200,000)	(3,200,000)	(900,000)
Utilization	(7,500,000)	(20,000,000.0)	(3,700,000)
Foreign currency translation	0	100,000	(100,000)
Ending Balance	$ 3,000,000.0	$ 2,900,000	$ 2,800,000	$ 3,000,000.0