Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			12 Months Ended
	Dec. 31, 2010	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2011 Additional federal tax credits related to repatriation of cash to US	Dec. 31, 2011 Additional US net operating losses	Dec. 31, 2011 Other items	Dec. 31, 2011 Benefit from reversal of foreign net operating loss valuation allowance
Deferred Tax Assets, Net [Abstract]
Accounts receivable allowances		$ 6.9	$ 5.6
Inventories		12.9	12.3
Compensation and employee benefits		11.2	9.7
Tax credit carryforwards		39.2	35.0
Net operating loss carryforwards		83.5	49.5
Accrued liabilities and other reserves		9.3	16.3
Pension		9.4	8.7
Property, plant and equipment		0	14.0
Intangible assets		76.9	5.6
Other, net		2.7	5.5
Gross deferred tax assets		252.0	162.2
Valuation allowance	(127.4)	(239.1)	(141.1)
Deferred tax assets		12.9	21.1
Property, plant and equipment		(1.3)	0
Deferred tax liabilities		(1.3)	0
Net deferred tax assets		11.6	21.1
Valuation Allowance [Line Items]
Deferred tax asset valuation allowance, change in amount	$ 105.6			$ 13.4	$ 3.8	$ 1.5	$ (5.0)