Income Taxes - Schedules of Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Non-current deferred income tax assets (liabilities):
Inventories	$ 22.7	$ 16.5
Accounts receivable	(4.2)	(5.4)
Property, plant and equipment	(14.0)	(9.7)
Intangible assets	(34.8)	(33.8)
Deferred employee benefits	40.7	47.3
Product warranty reserves	6.6	5.5
Product liability reserves	4.0	5.0
Tax credits	7.1	6.7
Loss and other tax attribute carryforwards	137.8	159.2
Deferred revenue	5.1	7.4
Transition tax		(26.2)
Other	4.2	2.2
Total non-current deferred income tax assets	175.2	174.7
Less valuation allowance	(153.1)	(162.3)
Net deferred income tax assets, non-current	22.1	12.4
Components of Deferred Tax Assets and Liabilities [Abstract]
Long-term income tax assets, included in other non-current assets	27.8	25.4
Long-term deferred income tax liability	(5.7)	(13.0)
Net deferred income tax asset	$ 22.1	$ 12.4