Commitments and Contingencies - Product Warranty Cost and Accrual (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance at beginning of year	$ 10.2	$ 10.1
Expenses for new warranties	11.1	10.0
Adjustments to existing accruals	(1.1)	(1.1)
Claims paid	(8.7)	(9.4)
Added through acquisition	1.4	1.2
Translation	(0.4)	(0.6)
Balance at end of year	$ 12.5	$ 10.2