Proforma Results Reflecting Avid Health Acquisition (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
Business Acquisition, Pro Forma Information [Line Items]
Net Sales, Reported	$ 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
Net Income, Reported																					394.4	349.8		309.6
Net Income per share - Basic, Reported	$ 0.66	$ 0.78	$ 0.62	$ 0.78	$ 0.58		$ 0.67		$ 0.57		$ 0.67		$ 0.45	[2]	$ 0.55	[2]	$ 0.58	[2]	$ 0.59	[2]	$ 2.85	$ 2.50		$ 2.16	[2]
Net Income per share - Diluted, Reported	$ 0.65	$ 0.76	$ 0.61	$ 0.76	$ 0.57		$ 0.66		$ 0.56		$ 0.66		$ 0.44	[2]	$ 0.54	[2]	$ 0.57	[2]	$ 0.58	[2]	$ 2.79	$ 2.45		$ 2.12	[2]
Avid Health, Inc
Business Acquisition, Pro Forma Information [Line Items]
Net Sales, Reported																						2,921.9		2,749.3
Net Income, Reported																						349.8		309.6
Net Income per share - Basic, Reported																						$ 2.50		$ 2.16
Net Income per share - Diluted, Reported																						$ 2.45		$ 2.12
Net Sales, Pro forma																						3,106.0		2,947.8
Net Income, Pro forma																						$ 374.9		$ 318.2
Net Income per share - Basic, Pro forma																						$ 2.68		$ 2.22
Net Income per share - Diluted, Pro forma																						$ 2.63		$ 2.18

[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 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.