Restructuring and Other Related Charges - Restructuring and Related Activities (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 56.6	$ 7.0	$ 18.6
Impairment charges	0.0	1.1	2.3
Employee severance related
Restructuring Cost and Reserve [Line Items]
Restructuring charges	53.0	5.0	13.8
Facility exit and other related
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 3.6	$ 0.9	$ 2.5