Commitments - Activity Related to Product Warranty Liability (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Product Warranty Liability [Line Items]
Reserve balance at the beginning of the year	$ 13.0	$ 10.3	$ 9.4
Provision for warranties issued	29.9	24.9	18.3
Settlements made (in cash or in kind)	(28.3)	(23.6)	(17.4)
Acquisition	1.6	1.4
Foreign currency	(0.2)
Reserve balance at end of year	$ 16.0	$ 13.0	$ 10.3

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph ((c)(5))
-URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(5))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Period Type:	instant

- Definition

Total liability for standard and extended product warranties acquired in a business acquisition.

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- Definition

Total Increase or Decrease in the standard and extended product warranty liability due to currency translation.

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- Definition

Represents the aggregate decrease in the liability related to payments to satisfy claims for standard and extended product warranties.

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- Definition

Represents the aggregate increase in the liability for accruals related to standard and extended product warranties issued during the reporting period.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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