Supplemental Information (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Other Operating Expense, Net [Abstract]
Foreign currency transaction (gains) losses, net		$ (2.4)	$ 4.0	$ 0.2	$ 4.7
Restructuring charges, net	[1]	0.0	0.4	0.0	2.1
Environmental remediation expenses	[2]	0.0	(0.1)	0.0	0.9
Stock-based compensation expense	[3]	(0.8)	156.2	1.9	156.2
Shareholder litigation settlement recoveries	[4]	0.0	0.0	(4.5)	0.0
Acquisition related expenses and non-cash charges	[5]	2.9	1.0	5.9	1.8
(Gains) losses on asset and business disposals		0.0	(0.5)	(1.2)	2.5
Other, net		0.9	0.4	2.6	1.1
Total other operating expense, net		0.6	161.4	4.9	169.3
Share-based Compensation [Abstract]
Stock-based compensation expense recognized		1.8	61.4	5.2	61.4
Decrease in stock-based compensation expense to DSU's		$ 2.6		$ 3.3
Stock Options [Member]
Share-based Compensation [Abstract]
Stock-based compensation expense recognized			61.4		61.4
Deferred Stock Units [Member]
Share-based Compensation [Abstract]
Stock-based compensation expense recognized			94.8		94.8
2013 Stock Incentive Plan [Member] | Stock Options [Member]
Share-based Compensation [Abstract]
Stock-based compensation expense recognized			61.4		61.4
2013 Stock Incentive Plan [Member] | Deferred Stock Units [Member]
Share-based Compensation [Abstract]
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 the three month and six month periods ended June 30, 2018 of $1.8 million and $5.2 million, respectively, reduced by a ($2.6 million) and ($3.3 million) decrease in the estimated accrual for employer taxes for the three month and six month periods ended June 30, 2018, respectively, as a result of the achievement of employer tax caps in countries outside of the United States. Represents stock-based compensation expense recognized for stock options outstanding of $61.4 million and DSUs granted to employees at the date of the initial public offering of $94.8 million under the 2013 Stock Incentive Plan for the three and six month periods ended June 30, 2017.

[4] Represents an insurance recovery of the Company' shareholder litigation settlement in 2014.

[5] Represents costs associated with successful and/or abandoned acquisitions, including third-party expenses, post-closure integration costs and non-cash charges and credits arising from fair value purchase accounting adjustments.