Commitments and Contingencies (Product Warranty Liabilties) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Loss Contingencies [Line Items]
Loss Contingency Accrual, Product Liability, Net	$ 0.9
Accrued expenses	30.0	$ 26.7
Other liabilities	71.1	65.6
Total product warranty liabilities	101.1	$ 92.3	$ 87.2
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