Commitments and Contingencies Narrative (Details) $ in Millions	6 Months Ended
	Jun. 30, 2017 USD ($)
Movement in Standard Product Warranty Accrual [Roll Forward]
Accrued warranty liability, beginning of period	$ 65.0
Accruals for warranties issued during the period	35.8
Settlements made	(34.1)
Effect of foreign currency translation	(0.2)
Accrued warranty liability, end of period	$ 66.9
Minimum [Member]
Loss Contingencies [Line Items]
Warranty Period	90 days