Restructuring Costs - By Business Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 73.9	$ 20.7	$ 46.2
Operating Segments | Americas
Restructuring Cost and Reserve [Line Items]
Restructuring charges	15.5	5.3	13.7
Operating Segments | Asia Pacific
Restructuring Cost and Reserve [Line Items]
Restructuring charges	10.4	3.9	8.3
Operating Segments | Europe, Middle East, & Africa
Restructuring Cost and Reserve [Line Items]
Restructuring charges	42.7	11.1	19.0
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 5.3	$ 0.4	$ 5.2