Supplemental Information (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Supplemental Information [Abstract]
Foreign currency losses (gains), net		$ 4.0	$ (6.0)	$ 4.7	$ (3.0)
Restructuring charges, net	[1]	0.4	10.9	2.1	12.3
Environmental remediation expenses	[2]	(0.1)	0.0	0.9	0.0
Stock-based compensation expense	[3]	156.2	0.0	156.2	0.0
Other, net		0.9	2.2	5.4	4.4
Total other operating expense, net		161.4	$ 7.1	169.3	$ 13.7
2013 Stock Incentive Plan [Member] | Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense recognized				61.4
2013 Stock Incentive Plan [Member] | Deferred Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense recognized		$ 94.8		$ 94.8

[1] See Note 3 "Restructuring."

[2] Estimated environmental remediation costs recorded on an undiscounted basis for a former production facility.

[3] Represents stock-based compensation expense recognized for stock options outstanding ($61.4 million) and DSUs granted to employees at the date of the initial public offering ($94.8 million) under the 2013 Stock Incentive Plan.