Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Jul. 18, 2016
Income Tax Contingency [Line Items]
Selling, general and administrative expense	$ 27.6	$ 24.7	$ 75.3	$ 68.3
Loss Contingency, Estimate of Possible Loss					$ 1.6
Income Tax Expense (Benefit)	11.7	$ 0.7	49.6	$ 46.1
Gross unrecognized tax benefits	2.9		2.9
Total amount of unrecognized tax benefits, if recognized, would affect the effective tax rate	2.3		2.3
Accrued Liabilities [Member]
Income Tax Contingency [Line Items]
Selling, general and administrative expense	2.6
New Accounting Pronouncement, Early Adoption, Effect [Member] | Other Noncurrent Assets [Member]
Income Tax Contingency [Line Items]
Income Tax Expense (Benefit)	$ 3.1		$ 3.1