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	281.8		281.8
Other comprehensive income (loss)	6.5				6.5
Dividends declared	(186.6)		(186.6)
Stock option exercises	38.4	38.4
Stock-based compensation	12.8	12.8
Repurchases of common stock	(92.3)	(11.6)	(80.7)
Issuance of stock under Employee Stock Purchase Plan and other plans	3.7	3.3				0.4
Other	(8.8)	0.7	(9.6)			0.1
Ending balance at Nov. 25, 2018	2,250.3	1,675.5	662.5	(7.8)	(78.7)	(1.2)
Beginning balance at Aug. 26, 2018	2,275.2	1,667.4	693.5	(7.8)	(76.4)	(1.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	115.6		115.6
Other comprehensive income (loss)	(2.3)				(2.3)
Dividends declared	(93.1)		(93.1)
Stock option exercises	6.8	6.8
Stock-based compensation	7.2	7.2
Repurchases of common stock	(61.0)	(7.5)	(53.5)
Issuance of stock under Employee Stock Purchase Plan and other plans	2.0	1.6				0.4
Other	(0.1)					(0.1)
Ending balance at Nov. 25, 2018	2,250.3	1,675.5	662.5	(7.8)	(78.7)	(1.2)
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	195.3		195.3
Other comprehensive income (loss)	97.7				97.7
Dividends declared	(217.5)		(217.5)
Stock option exercises	10.8	10.8
Stock-based compensation	15.6	15.6
Repurchases of common stock	(230.9)	(27.2)	(203.7)
Issuance of stock under Employee Stock Purchase Plan and other plans	4.0	4.0				0.0
Other	6.1	1.8	3.8			0.5
Ending balance at Nov. 24, 2019	2,273.7	1,690.0	584.5	0.0	(0.5)	(0.3)
Beginning balance at Aug. 25, 2019	2,381.3	1,692.9	789.9	0.0	(101.0)	(0.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	24.7		24.7
Other comprehensive income (loss)	100.5				100.5
Dividends declared	(109.1)		(109.1)
Stock option exercises	1.6	1.6
Stock-based compensation	8.0	8.0
Repurchases of common stock	(136.1)	(16.3)	(119.8)
Issuance of stock under Employee Stock Purchase Plan and other plans	2.0	2.0
Other	0.8	1.8	(1.2)			0.2
Ending balance at Nov. 24, 2019	$ 2,273.7	$ 1,690.0	$ 584.5	$ 0.0	$ (0.5)	$ (0.3)