Consolidated Statements Of Changes In Stockholders' Equity And Accumulated Other Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	Total	Common Stock And Surplus [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Unearned Compensation [Member]
Balances at May. 30, 2010	$ 1,894.0	$ 2,297.9	$ 2,621.9	$ (2,943.5)	$ (71.1)	$ (11.2)
Comprehensive income:
Net earnings	338.8		338.8
Other comprehensive income (loss):
Foreign currency adjustment	1.7				1.7
Change in fair value of marketable securities, net of tax	0.1				0.1
Change in fair value of derivatives, net of tax	3.2				3.2
Amortization of unrecognized net actuarial loss, net of tax	4.7				4.7
Total comprehensive income	348.5
Dividends declared	(132.5)		(132.5)
Stock option exercises	44.2	42.4		1.8
Stock-based compensation	25.3	25.3
ESOP note receivable repayments	1.5					1.5
Income tax benefits credited to equity	12.7	12.7
Purchases of common stock for treasury	(275.9)			(275.9)
Issuance of treasury stock under Employee Stock Purchase Plan and other plans	5.7	4.8		0.9
Balances at Feb. 27, 2011	1,923.5	2,383.1	2,828.2	(3,216.7)	(61.4)	(9.7)
Balances at May. 29, 2011	1,936.2	2,408.8	2,921.9	(3,325.3)	(59.8)	(9.4)
Comprehensive income:
Net earnings	324.3		324.3
Other comprehensive income (loss):
Foreign currency adjustment	(0.5)				(0.5)
Change in fair value of marketable securities, net of tax	(0.1)				(0.1)
Change in fair value of derivatives, net of tax	(42.5)				(42.5)
Amortization of unrecognized net actuarial loss, net of tax	5.4				5.4
Total comprehensive income	286.6
Dividends declared	(169.0)		(169.0)
Stock option exercises	39.9	37.7		2.2
Stock-based compensation	20.5	20.5
ESOP note receivable repayments	1.5					1.5
Income tax benefits credited to equity	12.0	12.0
Purchases of common stock for treasury	(357.0)			(357.0)
Issuance of treasury stock under Employee Stock Purchase Plan and other plans	5.6	4.7		0.9
Balances at Feb. 26, 2012	$ 1,776.3	$ 2,483.7	$ 3,077.2	$ (3,679.2)	$ (97.5)	$ (7.9)