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Segments - Geographic Information (Parenthetical) (Detail) - USD ($) $ in Millions	3 Months Ended									12 Months Ended
	Dec. 31, 2015		Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Entity Wide Information Revenue From External Customer [Line Items]
Maximum percentage of net sales in any one non-U.S. country	10.00%					10.00%				10.00%	10.00%	10.00%
Maximum percentage of long-lived assets in any one non-U.S. country	10.00%					10.00%				10.00%	10.00%
Net sales	$ 1,753.9	[1]	$ 1,746.2	$ 1,785.0	$ 1,746.4	$ 1,973.7	$ 1,975.5	$ 1,973.6	$ 1,827.7	$ 7,031.5	$ 7,750.5	$ 7,690.8
U.S.program
Entity Wide Information Revenue From External Customer [Line Items]
Net sales										$ 2,685.3	$ 2,797.5	$ 2,724.5
[1] During the fourth quarter of 2015, adjustments were made to prior year provisions which resulted in an increase in earnings per share. Refer to Note 16 “Income Taxes” for further information.

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Maximum percentage of long lived assets.

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Maximum percentage of net sales.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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