Other Operating Expense (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2018		Dec. 31, 2017		Dec. 31, 2016
Other Operating Expense, Net [Abstract]
Foreign currency transaction (gains) losses, net		$ (1.9)		$ 9.3		$ (5.9)
Restructuring charges	[1]	12.7		5.3		32.9
Environmental remediation expenses	[2]	0.0		0.9		5.6
Stock-based compensation		(2.3)	[3]	194.2	[3]	0.0
Shareholder litigation settlement recoveries	[4]	(9.5)		0.0		0.0
Acquisition related expenses and non-cash charges	[5]	9.8		3.4		4.8
(Gains) losses on asset and business disposals		(1.1)		0.8		0.1
Other, net		1.4		8.2		11.1
Total other operating expense, net		9.1		222.1		$ 48.6
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Stock-based compensation expense recognized		2.8
Decrease in stock-based compensation expense to DSU's		$ 5.1
2013 Stock Incentive Plan [Member] | Stock Options [Member]
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Stock-based compensation expense recognized				77.6
2013 Stock Incentive Plan [Member] | Deferred Stock Units [Member]
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Stock-based compensation expense recognized				97.4
Employer taxes related to DSUs granted				$ 19.2

[1] See Note 4 "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 year ended December 31, 2018 of $2.8 million, reduced by $5.1 million primarily due to a decrease in the estimated accrual for employer taxes related to DSUs as a result of a lower per share stock price. Represents stock-based compensation expense recognized for the year ended December 31, 2017 for stock options outstanding of $77.6 million and DSUs granted to employees at the date of the initial public offering of $97.4 million under the 2013 Stock Incentive Plan and employer taxes related to DSUs granted to employees at the date of the initial public offering of $19.2 million.

[4] Represents insurance recoveries of the Company's shareholder litigation settlement in 2014.

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