Revenue - Additional Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2018 USD ($)
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Adoption of accounting standards, effect of adoption	$ (91.4)
Retained Earnings
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Adoption of accounting standards, effect of adoption	$ (91.5)
Minimum
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, warranty, term	18 months
Maximum
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue, warranty, term	36 months
Transferred over Time [Member]
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenue recognized, percent	76.20%