Restructuring, Impairment and Transaction-Related Charges (Schedule of Other Restructuring (Income) Charges (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Restructuring Cost and Reserve [Line Items]
Other restructuring charges (income)	$ (3.1)	$ 6.5
Facilities Idled
Restructuring Cost and Reserve [Line Items]
Vacant facility carrying costs and lease exit charges	3.9	2.7
Gain from sale of properties		(2.9)
Equipment and Infrastructure Removal Charges
Restructuring Cost and Reserve [Line Items]
Equipment and infrastructure removal costs	0.8	0.6
Sale of facilities
Restructuring Cost and Reserve [Line Items]
Gain from sale of properties	(7.8)	(0.8)
Other restructuring charges
Restructuring Cost and Reserve [Line Items]
Other restructuring activities	$ 0.0	$ 4.0