Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Millions	Total	Common Stock And Surplus	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Unearned Compensation
Beginning balance at May. 27, 2018	$ 2,194.8	$ 1,631.9	$ 657.6	$ (7.8)	$ (85.2)	$ (1.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	505.4		505.4
Other comprehensive income (loss)	4.2				4.2
Dividends declared	(280.2)		(280.2)
Stock option exercises	40.2	40.2
Stock-based compensation	20.0	20.0
Repurchases of common stock	(166.0)	(21.2)	(144.8)
Issuance of stock under Employee Stock Purchase Plan and other plans	6.0	5.2				0.8
Other	(8.7)	0.7	(9.6)			0.2
Ending balance at Feb. 24, 2019	2,315.7	1,676.8	728.4	(7.8)	(81.0)	(0.7)
Beginning balance at Nov. 25, 2018	2,250.3	1,675.5	662.5	(7.8)	(78.7)	(1.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	223.6		223.6
Other comprehensive income (loss)	(2.3)				(2.3)
Dividends declared	(93.6)		(93.6)
Stock option exercises	1.8	1.8
Stock-based compensation	7.2	7.2
Repurchases of common stock	(73.7)	(9.6)	(64.1)
Issuance of stock under Employee Stock Purchase Plan and other plans	2.3	1.9				0.4
Other	0.1					0.1
Ending balance at Feb. 24, 2019	2,315.7	1,676.8	728.4	(7.8)	(81.0)	(0.7)
Beginning balance at May. 26, 2019	2,392.6	1,685.0	806.6	0.0	(98.2)	(0.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	427.6		427.6
Other comprehensive income (loss)	97.8				97.8
Dividends declared	(324.9)		(324.9)
Stock option exercises	11.5	11.5
Stock-based compensation	24.3	24.3
Repurchases of common stock	(300.3)	(35.8)	(264.5)
Issuance of stock under Employee Stock Purchase Plan and other plans	6.2	6.2				0.0
Other	6.4	1.8	3.8			0.8
Ending balance at Feb. 23, 2020	2,341.2	1,693.0	648.6	0.0	(0.4)	0.0
Beginning balance at Nov. 24, 2019	2,273.7	1,690.0	584.5	0.0	(0.5)	(0.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	232.3		232.3
Other comprehensive income (loss)	0.1				0.1
Dividends declared	(107.4)		(107.4)
Stock option exercises	0.7	0.7
Stock-based compensation	8.7	8.7
Repurchases of common stock	(69.4)	(8.6)	(60.8)
Issuance of stock under Employee Stock Purchase Plan and other plans	2.2	2.2
Other	0.3	0.0	0.0			0.3
Ending balance at Feb. 23, 2020	$ 2,341.2	$ 1,693.0	$ 648.6	$ 0.0	$ (0.4)	$ 0.0