Derivative Financial Instruments and Hedging Activities 3 (Details) (USD $)	12 Months Ended
	Apr. 27, 2011	Apr. 28, 2010	Apr. 29, 2009
Derivative Financial Instruments and Hedging Activities (Textuals) [Abstract]
Notional amount of foreign currency derivatives	$ 1,860,000,000	$ 1,640,000,000
Notional amount of interest rate derivatives	1,510,000,000	1,520,000,000
Notional amount of cross currency interest rate swap	377,300,000	159,500,000
Net asset fair value of derivative financial instruments	72,700,000	97,700,000
Cash proceeds from termination of foreign currency forward contracts	11,600,000
Hedge accounting adjustments related to debt obligations	150,543,000	207,096,000
Gain (loss) on foreign currency debt instruments used as net investment hedges, net of tax		(32,300,000)
Instrument used in net investment hedge, tax benefit (expense)		20,400,000
Maturity date of cross currency interest rate swap	The swaps that were entered into in Fiscal 2010 are scheduled to mature in 2013 and the swaps that were entered into in the third quarter of Fiscal 2011 are scheduled to mature in Fiscal 2014
Number of year company decided for forecasting hedging transaction	within three years
Net deferred gains reported in AOCI to be reclassified to earnings within twelve months	7,800,000
Notional amount of foreign currency derivative instruments not designated as hedging Instruments	309,900,000	284,500,000
Net unrealized gain/(loss) related to outstanding nondesignated derivative instruments	8,300,000	(2,600,000)
Derivative Instrument Maturity period	within one year
Notional amount of total rate of return swap contracts		175,000,000
Net cash received due to termination of swap		47,600,000
Restricted cash required to maintain the term with the counterparty		192,700,000
Interest income earned on total rate of return swap		28,300,000	28,100,000
Maturity date for termination of foreign currency forward contracts	2014
Concentration Risk, Customer	11% of total sales
Foreign Exchange Contract [Member]
Additional Derivative Financial Instruments and Hedging Activities (Textuals) [Abstract]
Loss due to foreign currencies forward contracts	16,900,000	2,500,000
Gain due to foreign currencies forward contracts			107,300,000
Cash received (paid) for foreign currency forward contracts	$ (11,500,000)	$ (1,700,000)	$ 106,300,000