Commitments and Contingencies (Change in Product Warranty Liabilities) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Changes in the total warranty liabilities
Total warranty liability as of beginning of period	$ 92.3	$ 87.2
Payments made	(24.7)	(27.2)
Changes resulting from issuance of new warranties	36.2	37.1
Changes in estimates associated with pre-existing liabilities	(2.6)	(2.6)
Changes in foreign currency translation rates and other	(0.1)	(2.2)
Total warranty liability as of end of period	101.1	$ 92.3
Minimum [Member]
Loss Contingencies [Line Items]
Product Liability Contingency, Loss Exposure Not Accrued, Best Estimate	0.9
Maximum [Member]
Loss Contingencies [Line Items]
Product Liability Contingency, Loss Exposure Not Accrued, Best Estimate	$ 9.1