Cost-Reduction Actions - Statement of Income Classifications (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Restructuring Cost and Reserve [Line Items]
Cost-reduction charges and other costs	$ 8.5	$ 27.5
Cost of revenue
Restructuring Cost and Reserve [Line Items]
Cost-reduction charges and other costs	(1.7)	5.9
Selling, general and administrative
Restructuring Cost and Reserve [Line Items]
Cost-reduction charges and other costs	6.2	2.5
Research and development
Restructuring Cost and Reserve [Line Items]
Cost-reduction charges and other costs	1.7	0.1
Other (expense), net
Restructuring Cost and Reserve [Line Items]
Cost-reduction charges and other costs	$ 2.3	$ 19.0