Income Taxes - Schedules of Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Non-current deferred tax assets (liabilities):
Inventories	$ 16.5	$ 14.2
Accounts receivable	(5.4)	(4.6)
Property, plant and equipment	(9.7)	19.0
Intangible assets	(33.8)	(35.9)
Deferred employee benefits	47.3	71.8
Product warranty reserves	5.5	6.1
Product liability reserves	5.0	7.8
Tax credits	6.7	4.9
Loss carryforwards	159.2	145.4
Deferred revenue	7.4	10.8
Transition tax	(26.2)
Other	2.2	(1.7)
Total non-current deferred tax assets	174.7	237.8
Less valuation allowance	(162.3)	(269.6)
Net deferred tax assets, non-current	12.4
Net deferred tax (liabilities), non-current		(31.8)
Components of Deferred Tax Assets and Liabilities [Abstract]
Long-term income tax assets, included in other non-current assets	25.4	4.8
Long-term deferred income tax liability	(13.0)	(36.6)
Net deferred income tax assets	$ 12.4
Net deferred income tax (liability)		$ (31.8)