Income Taxes (Details 3) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Gross deferred tax assets:
Warranties	$ 26.4	$ 26.1
Net operating losses (foreign and U.S. state)	20.1	21.8
Postretirement and pension benefits	52.9	55.3
Inventory reserves	8.2	5.4
Receivables allowance	5.0	6.0
Compensation liabilities	17.2	17.9
Deferred income	0.8	0.7
Insurance liabilities	22.9	18.1
Other	9.5	12.5
Total deferred tax assets	163.0	163.8
Valuation allowance	(10.9)	(12.7)
Total deferred tax assets, net of valuation allowance	152.1	151.1
Gross deferred tax liabilities:
Depreciation	(13.3)	(15.2)
Intangibles	(6.9)	(5.1)
Other	(1.6)	(2.7)
Total deferred tax liabilities	(21.8)	(23.0)
Net deferred tax assets	$ 130.3	$ 128.1