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Use of Estimates - Warranty (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Accounting Policies [Abstract]
Balance at beginning of year	$ 33.9	$ 35.8	$ 36.3
Acquisitions	1.0	0.0	0.0
Impact of initial adoption of ASC 606	0.4	0.0	0.0
Provisions	11.9	13.0	15.2
Usage	(13.1)	(15.4)	(15.5)
Currency translation adjustment	(0.1)	0.5	(0.2)
Balance at end of year	34.0	33.9	35.8
Less: Current portion of warranty	12.0	13.8	15.6
Non-current portion of warranty	$ 22.0	$ 20.1	$ 20.2

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Standard and Extended Product Warranty Accrual, Impact of Initial Adoption of 606

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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