Product Warranty (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Beginning balance, January 1	$ 95.3	$ 107.9
Provisions	73.1	62.2
Acquisitions	1.0	6.9
Dispositions	0.0	(9.1)
Held for sale	(3.6)	0.0
Payments	(60.6)	(70.1)
Translation adjustment	6.3	(2.5)
Ending balance, December 31	111.5	95.3
Product Warranty Accrual, Balance Sheet Classification [Abstract]
Accounts payable and accrued expenses			$ 69.0	$ 63.9
Other non-current liabilities			42.5	31.4
Total product warranty liability	$ 95.3	$ 107.9	$ 111.5	$ 95.3