Supplemental Information (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Supplemental Information [Abstract]
Foreign currency losses (gains), net		$ 1.7	$ 0.5	$ 6.3	$ (2.6)
Restructuring charges, net	[1]	2.8	3.0	4.9	15.4
Environmental remediation expenses	[2]	0.0	0.0	0.9	0.0
Stock-based compensation expense	[3]	9.8	0.0	166.0	0.0
Other, net		3.1	8.9	8.6	13.3
Total other operating expense, net		17.4	$ 12.4	186.7	$ 26.1
2013 Stock Incentive Plan [Member] | Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense recognized		7.8		69.2
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		$ 2.0		$ 96.8

[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 for the three months and nine months ended September 30, 2017 of $7.8 million and $69.2 million, respectively, and DSUs granted to employees at the date of the initial public offering for the three months and nine months ended September 30, 2017 of $2.0 million and $96.8 million, respectively. See Note 9 "Stock-Based Compensation".