Supplemental Balance Sheet Information - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Supplemental Balance Sheet Disclosures [Line Items]
Property, plant and equipment, net	$ 5.3	$ 45.0
Other Current Liabilities
Supplemental Balance Sheet Disclosures [Line Items]
Rebates payable	20.4	26.9
Accrued payroll	13.0	18.4
Other Liabilities
Supplemental Balance Sheet Disclosures [Line Items]
Pension liabilities	24.3	$ 22.5
Building
Supplemental Balance Sheet Disclosures [Line Items]
Property, plant and equipment transferred to assets held for sale	125.5
Accumulated depreciation transferred to assets held for sale	93.5
Property, plant and equipment, net	32.0
Assets held for sale	$ 10.4