Restructuring Costs - Schedule of Changes in Restructuring Reserve (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($)
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period	$ 46.1
Costs paid or utilized	(13.8)
Balance, end of period	32.3
Reportable segments | Americas
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period	1.9
Costs paid or utilized	(0.5)
Balance, end of period	1.4
Reportable segments | Southern Europe
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period	3.5
Costs paid or utilized	(1.1)
Balance, end of period	2.4
Reportable segments | Northern Europe
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period	40.7
Costs paid or utilized	(12.2)
Balance, end of period	28.5
Reportable segments | APME
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period	0.0
Costs paid or utilized	0.0
Balance, end of period	0.0
Corporate
Restructuring Cost and Reserve [Line Items]
Balance, beginning of period	0.0
Costs paid or utilized	0.0
Balance, end of period	$ 0.0