Schedule Of Quarterly Financial Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended																								12 Months Ended
	Dec. 31, 2013		Sep. 30, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2012		Sep. 30, 2012		Jun. 30, 2012		Mar. 31, 2012		Dec. 31, 2011		Sep. 30, 2011		Jun. 30, 2011		Mar. 31, 2011		Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Schedule Of Quarterly Financial Information [Line Items]
Net Sales	$ 822.6		$ 804.8		$ 787.6		$ 779.3		$ 809.7	[1]	$ 725.2	[1]	$ 696.4	[1]	$ 690.6	[1]	$ 731.1		$ 701.0		$ 674.9		$ 642.3		$ 3,194.3		$ 2,921.9	[1]	$ 2,749.3
Gross profit	371.7		365.2		351.0		350.1		358.4		327.5		303.0		302.5		316.5		309.9		300.0		288.1		1,438.0		1,291.4		1,214.5
Income from Operations	144.6	[2]	167.8	[2]	140.5	[2]	169.3	[2]	134.6		145.4		122.4		142.7		117.4		126.3		117.8		131.1		622.2	[2]	545.1		492.6
Equity in earnings of affiliates	1.4		1.9		(1.1)		0.6		1.6		2.4		2.4		2.5		1.7		2.9		3.2		2.2		2.8		8.9		10.0
Net Income	$ 92.2		$ 107.9		$ 86.6		$ 107.7		$ 80.8		$ 93.9		$ 79.3		$ 95.8		$ 63.8	[3]	$ 79.6	[3]	$ 82.6	[3]	$ 83.6	[3]	$ 394.4		$ 349.8		$ 309.6	[3]
Net Income per Share-Basic	$ 0.66		$ 0.78		$ 0.62		$ 0.78		$ 0.58		$ 0.67		$ 0.57		$ 0.67		$ 0.45	[3]	$ 0.55	[3]	$ 0.58	[3]	$ 0.59	[3]	$ 2.85		$ 2.50		$ 2.16	[3]
Net Income per Share-Diluted	$ 0.65		$ 0.76		$ 0.61		$ 0.76		$ 0.57		$ 0.66		$ 0.56		$ 0.66		$ 0.44	[3]	$ 0.54	[3]	$ 0.57	[3]	$ 0.58	[3]	$ 2.79		$ 2.45		$ 2.12	[3]

[1] The fourth quarter of 2012 Net Sales includes approximately $70 associated with the acquisition of the L'IL CRITTERS and VITAFUSION gummy vitamin dietary supplement business.

[2] The fourth quarter of 2013 Income from Operations includes approximately $6.5 of trade name impairment charges.

[3] The fourth quarter of 2011 Net Income and Net Income per Share includes a deferred tax valuation charge of approximately $13 (or $0.09 per share) and includes an additional month's results of three foreign subsidiaries due to the change in the fiscal calendar. The change increased net sales by $14.3, but had a nominal effect on net income.