Schedule of Effect of Derivatives Instruments on Condensed Consolidated Statement of Earnings (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Derivative [Line Items]
Amount of gain (loss) recognized in OCI on derivative (effective portion)	$ (2.5)	$ (0.3)	$ (0.9)	$ (3.4)
Amount of gain (loss) reclassified from accumulated OCI into earnings (effective portion)		0.4	0.7	(0.4)
Amount of gain (loss) recognized in earnings on a derivative (ineffective portion)	0.0	0.0	0.0	0.0
Foreign Currency Contracts
Derivative [Line Items]
Amount of gain (loss) recognized in OCI on derivative (effective portion)	(2.5)	0.8	(1.0)	(4.1)
Amount of gain (loss) recognized in earnings on a derivative (ineffective portion)	0.0	0.0	0.0	0.0
Foreign Currency Contracts \| Cost Of Products Sold
Derivative [Line Items]
Amount of gain (loss) reclassified from accumulated OCI into earnings (effective portion)	(0.3)	(0.3)	0.3	(1.1)
Commodities Contracts
Derivative [Line Items]
Amount of gain (loss) recognized in OCI on derivative (effective portion)		(1.1)	0.1	0.7
Commodities Contracts \| Cost Of Products Sold
Derivative [Line Items]
Amount of gain (loss) reclassified from accumulated OCI into earnings (effective portion)	0.3	0.7	0.4	0.7
Amount of gain (loss) recognized in earnings on a derivative (ineffective portion)	$ 0.0	$ 0.0	$ 0.0	$ 0.0

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4D
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624177-113959

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- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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The net gain (loss) recognized in earnings during the reporting period due to the ineffectiveness on price risk cash flow and fair value hedges.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 25
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986

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