General (Detail 3) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Accounting Changes and Error Corrections
Marketing, general and administrative expense	$ 268.1	$ 278.4	$ 841.8	$ 873.1
Income from continuing operations before taxes	116.1	99.1	317.4	263.0
Provision for income taxes	34.8	38.2	99.5	85.5
Income from continuing operations	81.3	60.9	217.9	177.5
Loss from discontinued operations, net of tax	0.4	(0.7)	(0.6)	(3.0)
Net income	$ 81.7	$ 60.2	$ 217.3	$ 174.5
Net income (loss) per common share:
Continuing operations	$ 0.89	$ 0.65	$ 2.39	$ 1.87
Discontinued operations	0.00	0.00	0.00	(0.03)
Net income per common share	0.89	0.65	2.39	1.84
Net income (loss) per common share, assuming dilution:
Continuing operations	0.87	0.64	2.35	1.84
Discontinued operations	0.01	(0.01)	(0.01)	(0.03)
Net income per common share, assuming dilution	$ 0.88	$ 0.63	$ 2.34	$ 1.81
As Previously Reported
Accounting Changes and Error Corrections
Marketing, general and administrative expense		$ 276.3		$ 870.0
Income from continuing operations before taxes		101.2		266.1
Provision for income taxes		36.2		85.1
Income from continuing operations		65.0		181.0
Loss from discontinued operations, net of tax		(0.7)		(3.0)
Net income		$ 64.3		$ 178.0
Net income (loss) per common share:
Continuing operations		$ 0.70		$ 1.91
Discontinued operations		(0.01)		(0.03)
Net income per common share		0.69		1.88
Net income (loss) per common share, assuming dilution:
Continuing operations		0.68		1.87
Discontinued operations				(0.03)
Net income per common share, assuming dilution		$ 0.68		$ 1.84
Adjustments
Accounting Changes and Error Corrections
Marketing, general and administrative expense		$ 2.1		$ 3.1
Income from continuing operations before taxes		(2.1)		(3.1)
Provision for income taxes		2.0		0.4
Income from continuing operations		(4.1)		(3.5)
Net income		$ (4.1)		$ (3.5)
Net income (loss) per common share:
Continuing operations		$ (0.05)		$ (0.04)
Discontinued operations		0.01
Net income per common share		(0.04)		(0.04)
Net income (loss) per common share, assuming dilution:
Continuing operations		(0.04)		(0.03)
Discontinued operations		(0.01)
Net income per common share, assuming dilution		$ (0.05)		$ (0.03)