Employees' Stock Incentive Plans and Management Incentive Plans [Tables]

12 Months Ended

Apr. 27, 2011

Employees' Stock Incentive Plans and Management Incentive Plans (Tables) [Abstract]

Stock option activity and related information

	2003 Plan
	(Amounts in
	thousands)
Number of shares authorized		18,869
Number of stock option shares granted		(8,343	)
Number of stock option shares cancelled/forfeited and returned to the plan		236
Number of restricted stock units and restricted stock issued		(4,532	)
Shares available for grant as stock options		6,230

Weighted average assumptions used to estimate the fair value of stock options

	Fiscal Year Ended
	April 27,			April 28,			April 29,
	2011			2010			2009
Dividend yield		3.9	%		4.3	%		3.3	%
Expected volatility		20.5	%		20.2	%		14.9	%
Expected term (years)		5.5			5.5			5.5
Risk-free interest rate		1.7	%		2.7	%		3.1	%

Stock option activity and related information

				Weighted
				Average
	Number of			Exercise Price		Aggregate
	Options			(per share)		Intrinsic Value
	(Amounts in thousands, except per share data)
Options outstanding at April 30, 2008		22,134		$	40.06	$	886,758
Options granted		1,551			50.91		78,978
Options exercised		(6,684	)		42.35		(283,064	)
Options cancelled/forfeited and returned to the plan		(2,901	)		47.77		(138,601	)
Options outstanding at April 29, 2009		14,100			38.59		544,071
Options granted		1,768			39.12		69,166
Options exercised		(2,921	)		35.46		(103,558	)
Options cancelled/forfeited and returned to the plan		(26	)		40.44		(1,068	)
Options outstanding at April 28, 2010		12,921			39.36		508,611
Options granted		1,733			46.42		80,460
Options exercised		(4,813	)		35.73		(171,980	)
Options cancelled/forfeited and returned to the plan		(73	)		42.81		(3,147	)
Options outstanding at April 27, 2011		9,768		$	42.38	$	413,944
Options vested and exercisable at April 29, 2009		10,933		$	36.18	$	395,558
Options vested and exercisable at April 28, 2010		9,300		$	37.59	$	349,600
Options vested and exercisable at April 27, 2011		5,744		$	40.65	$	233,507

Shares under option in exercise price ranges

	Options Outstanding						Options Exercisable
			Weighted-		Weighted-				Weighted-
			Average		Average				Average		Weighted-
			Remaining		Remaining				Remaining		Average
Range of Exercise	Number		Life		Exercise Price		Number		Life		Exercise Price
Price Per Share	Outstanding		(Years)		Per Share		Exercisable		(Years)		Per Share
	(Options in thousands)
$29.18-$35.38		1,280		2.0	$	33.47		1,274		2.0	$	33.47
$35.39-$42.42		3,964		3.5		39.09		2,647		2.6		39.11
$42.43-$51.25		4,524		4.8		47.77		1,823		3.7		47.90
		9,768		3.9	$	42.38		5,744		2.8	$	40.65

Unvested stock options

				Weighted
				Average
				Grant Date
	Number of			Fair Value
	Options			(per share)
	(Amounts in thousands, except per share data)
Unvested options at April 28, 2010		3,621		$	5.36
Options granted		1,733			5.36
Options vested		(1,282	)		5.64
Options forfeited		(48	)		5.19
Unvested options at April 27, 2011		4,024		$	5.27

Restricted stock awards

	2003 Plan
	(Amounts in thousands)
Number of shares authorized		9,440
Number of shares reserved for issuance		(5,851	)
Number of shares forfeited and returned to the plan		1,319
Shares available for grant		4,908

Activity of unvested RSU and restricted stock awards

				Weighted
				Average
				Grant Date
				Fair Value
	Number of Units			(Per Share)
	(Amounts in thousands,
	except per share data)
Unvested units and stock at April 30, 2008		2,087		$	39.88
Units and stock granted		577			49.69
Units and stock vested		(910	)		37.91
Units and stock cancelled/forfeited and returned to the plan		(32	)		46.52
Unvested units and stock at April 29, 2009		1,722			44.08
Units and stock granted		628			39.55
Units and stock vested		(834	)		40.59
Units and stock cancelled/forfeited and returned to the plan		(20	)		44.12
Unvested units and stock at April 28, 2010		1,496			44.13
Units and stock granted		574			46.74
Units and stock vested		(725	)		44.96
Units and stock cancelled/forfeited and returned to the plan		(49	)		43.47
Unvested units and stock at April 27, 2011		1,296		$	44.84