Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2010
Deferred Tax Assets, Net [Abstract]
Accounts receivable allowances	$ 3.0	$ 6.9
Inventories	9.1	12.9
Compensation and employee benefits	8.0	11.2
Tax credit carryforwards	35.8	39.2
Net operating loss carryforwards	115.2	83.5
Accrued liabilities and other reserves	9.0	9.3
Pension	6.0	9.4
Property, plant and equipment	8.9	0
Intangible assets, net	55.3	76.9
Other, net	1.8	2.7
Gross deferred tax assets	252.1	252.0
Valuation allowance	(239.4)	(239.1)	(141.1)
Deferred tax assets	12.7	12.9
Property, plant and equipment	0	(1.3)
Deferred tax liabilities	0	(1.3)
Net deferred tax assets	12.7	11.6
Deferred tax asset - current	4.6	4.7
Deferred tax asset - non-current	9.5	9.3
Deferred tax liability - current	(0.4)	(0.3)
Deferred tax liability - non-current	$ (1.0)	$ (2.1)