Quarterly Results 2 (Details)	3 Months Ended								12 Months Ended					3 Months Ended
	Apr. 28, 2013 USD ($)	Jan. 27, 2013 USD ($)	Oct. 28, 2012 USD ($)	Jul. 29, 2012 USD ($)	Apr. 29, 2012 USD ($)	Jan. 25, 2012 USD ($)	Oct. 26, 2011 USD ($)	Jul. 27, 2011 USD ($)	Apr. 28, 2013 USD ($)	Apr. 29, 2012 USD ($)	Apr. 27, 2011 USD ($)	Feb. 13, 2013 VEF	Feb. 12, 2013 VEF	Apr. 28, 2013 VENEZUELA USD ($)
Net income from continuing operations- diluted	$ 0.61	$ 0.95	$ 0.91	$ 0.89	$ 0.64	$ 0.89	$ 0.76	$ 0.72	$ 3.37	$ 3.01	$ 3.18
Net income from continuing operations- basic	$ 0.62	$ 0.96	$ 0.92	$ 0.89	$ 0.65	$ 0.90	$ 0.76	$ 0.73	$ 3.39	$ 3.03	$ 3.21
Business combination contingent consideration arrangements, settlement charge		$ 12,100,000
Foreign Currency Transaction Gain (Loss), Realized														(42,700,000)
Foreign Currency Transaction Gain (Loss), Realized, Net of Tax														(39,100,000)
Foreign Currency Transaction Gain (Loss), Realized, Per Share														$ (0.12)
Income (Loss) from Continuing Operations Attributable to Parent	198,519,000	308,214,000	294,705,000	286,177,000	206,664,000	288,283,000	244,934,000	234,493,000	1,087,615,000	974,374,000	1,029,067,000
Business Combination, Acquisition Related Costs	44,800,000
Business Combination, Acquisition Related Costs, Net of Tax	27,800,000
Business combination related costs per share	$ 0.09
Business Exit Costs									3,500,000
Factory closure related charges, net of tax									2,600,000
Business exit costs per share									$ 0.01
Foreign Currency Exchange Rate, Remeasurement												6.30	4.30
business combination contingent consideration settlement charge per share		$ 0.04
Pre-tax charges					94,300,000	33,700,000	37,300,000	40,200,000		205,400,000
After-tax changes					$ 67,700,000	$ 22,600,000	$ 25,600,000	$ 28,100,000		$ 144,000,000
EPS impact					$ 0.21	$ 0.07	$ 0.08	$ 0.09		$ 0.45