Consolidated Statements Of Changes In Stockholders' Equity (USD $) In Millions, unless otherwise specified	Total	Common Stock And Surplus	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Unearned Compensation
Balances at May. 29, 2011	$ 1,936.2	$ 2,408.8	$ 2,921.9	$ (3,325.3)	$ (59.8)	$ (9.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	160.3	0	160.3	0	0	0
Other comprehensive income (loss)	(42.1)	0	0	0	(42.1)	0
Dividends declared	(113.7)		(113.7)
Stock option exercises	24.9	23.4		1.5
Stock-based compensation	14.3	14.3
ESOP note receivable repayments	1.2					1.2
Income tax benefits credited to equity	8.3	8.3
Purchases of common stock for treasury	(279.1)			(279.1)
Issuance of treasury stock under Employee Stock Purchase Plan and other plans	3.6	3.1		0.5
Balances at Nov. 27, 2011	1,713.9	2,457.9	2,968.5	(3,602.4)	(101.9)	(8.2)
Balances at May. 27, 2012	1,842.0	2,518.8	3,172.8	(3,695.8)	(146.6)	(7.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	144.4	0	144.4	0	0	0
Other comprehensive income (loss)	(1.1)	0	0	0	(1.1)	0
Dividends declared	(129.3)		(129.3)
Stock option exercises	33.8	32.4		1.4
Stock-based compensation	13.1	13.1
ESOP note receivable repayments	0.9					0.9
Income tax benefits credited to equity	8.3	8.3
Purchases of common stock for treasury	(52.3)			(52.3)
Issuance of treasury stock under Employee Stock Purchase Plan and other plans	3.6	3.1		0.5
Treasury shares retirement	0	(1,411.4)	(2,326.1)	3,737.5	0	0
Balances at Nov. 25, 2012	$ 1,863.4	$ 1,164.3	$ 861.8	$ (8.7)	$ (147.7)	$ (6.3)