Income Taxes (Details 3) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Gross deferred tax assets:
Warranties	$ 27.5	$ 32.0
Net operating losses (foreign and U.S. state)	28.4	42.2
Postretirement and pension benefits	55.3	42.6
Inventory reserves	6.4	4.1
Receivables allowance	6.0	6.4
Compensation liabilities	18.1	17.3
Deferred income	7.4	7.8
Insurance liabilities	18.7	15.4
Other	12.9	10.6
Total deferred tax assets	180.7	178.4
Valuation allowance	(12.8)	(24.3)
Total deferred tax assets, net of valuation allowance	167.9	154.1
Gross deferred tax liabilities:
Depreciation	(12.3)	(11.1)
Intangibles	(9.2)	(6.6)
Other	(2.6)	(12.5)
Total deferred tax liabilities	(24.1)	(30.2)
Net deferred tax assets	$ 143.8	$ 123.9