Income Taxes (Deferred Tax Assets (Liabilities)) (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Gross deferred tax assets:
Warranties	$ 29.2	$ 27.8
Loss carryforwards (foreign, U.S. and state)	26.8	23.2
Post-retirement and pension benefits	24.8	22.4
Inventory reserves	7.3	5.6
Receivables allowance	3.8	3.1
Compensation liabilities	10.2	6.2
Insurance liabilities	0.0	1.6
Legal reserves	10.1	8.5
Tax credits, net of federal effect	11.1	11.4
Other	8.0	7.1
Total deferred tax assets	131.3	116.9
Valuation allowance	(37.0)	(24.9)
Total deferred tax assets, net of valuation allowance	94.3	92.0
Gross deferred tax liabilities:
Depreciation	(58.7)	(52.5)
Intangibles	(15.2)	(15.1)
Deferred Tax and Other Liabilities, Noncurrent	1.0	0.0
Other	(6.2)	(2.9)
Total deferred tax liabilities	(81.1)	(70.5)
Net deferred tax assets	$ 13.2	$ 21.5