CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive (Loss) Income	Retained Earnings	Unearned ESOP Shares
Balance at Apr. 25, 2009	$ 1,186,320	$ 1,220	$ 20,320	$ (8,867)	$ 1,293,609	$ (119,962)
Balance (in shares) at Apr. 25, 2009		122,042,467
Foreign currency translation	32,281			32,281
Cash flow hedge	(123)			(123)
Net income	212,254				212,254
Comprehensive income	244,412
Dividends declared	(11,978)				(11,978)
Common stock issued and related tax benefits (in shares)		1,394,599
Common stock issued and related tax benefits	12,571	14	12,557
Stock-based Compensation	8,826		8,826
ESOP activity	1,360					1,360
Balance at Apr. 24, 2010	1,441,511	1,234	41,703	23,291	1,493,885	(118,602)
Balance (in shares) at Apr. 24, 2010		123,437,066
Foreign currency translation	18,782			18,782
Cash flow hedge	(123)			(123)
Net income	225,385				225,385
Comprehensive income	244,044
Dividends declared	(50,022)				(50,022)
Common stock issued and related tax benefits (in shares)		920,158
Common stock issued and related tax benefits	10,002	9	9,993
Repurchase of Common Stock (In shares)		(3,257,374)
Repurchase of Common Stock	(98,960)	(32)	(62,177)		(36,751)
Stock-based Compensation	10,481		10,481
ESOP activity	3,484					3,484
Balance at Apr. 30, 2011	1,560,540	1,211	0	41,950	1,632,497	(115,118)
Balance (in shares) at Apr. 30, 2011		121,099,850
Foreign currency translation	(9,372)			(9,372)
Cash flow hedge	(123)			(123)
Net income	212,815				212,815
Comprehensive income	203,320
Dividends declared	(55,319)				(55,319)
Common stock issued and related tax benefits (in shares)		778,856
Common stock issued and related tax benefits	27,175	8	27,167
Repurchase of Common Stock (In shares)		(11,954,257)
Repurchase of Common Stock	(361,047)	(120)	(27,167)		(333,760)
ESOP activity	533					533
Balance at Apr. 28, 2012	$ 1,375,202	$ 1,099	$ 0	$ 32,455	$ 1,456,233	$ (114,585)
Balance (in shares) at Apr. 28, 2012		109,924,449