Commitments and Contingencies (Change in Product Warranty Liabilities) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Changes in the total warranty liabilities
Total warranty liability as of beginning of period	$ 87.2	$ 81.6
Payments made	(27.2)	(23.1)
Changes resulting from issuance of new warranties	37.1	33.4
Changes in estimates associated with pre-existing liabilities	(2.6)	(3.5)
Changes in foreign currency translation rates and other	(2.2)	(1.2)
Total warranty liability as of end of period	$ 92.3	$ 87.2