Restructuring Costs - By Business Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Restructuring Cost and Reserve [Line Items]
Expense	$ 1.1	$ 2.4	$ 3.1	$ 1.3
Operating Segments | Americas
Restructuring Cost and Reserve [Line Items]
Expense	1.4	0.7	2.1	1.0
Operating Segments | Asia Pacific
Restructuring Cost and Reserve [Line Items]
Expense	3.2	0.0	3.4	0.2
Operating Segments | Europe, Middle East, & Africa
Restructuring Cost and Reserve [Line Items]
Expense	(3.8)	1.6	(2.7)	0.8
Corporate
Restructuring Cost and Reserve [Line Items]
Expense	$ 0.3	$ 0.1	$ 0.3	$ (0.7)