Restructuring Costs - By Business Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Restructuring Cost and Reserve [Line Items]
Expense	$ 2.0	$ (1.1)
Operating Segments | Americas
Restructuring Cost and Reserve [Line Items]
Expense	0.7	0.3
Operating Segments | Asia Pacific
Restructuring Cost and Reserve [Line Items]
Expense	0.1	0.2
Operating Segments | Europe, Middle East, & Africa
Restructuring Cost and Reserve [Line Items]
Expense	1.2	(0.8)
Corporate
Restructuring Cost and Reserve [Line Items]
Expense	$ 0.0	$ (0.8)