Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Millions	Total	Common Stock And Surplus	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Unearned Compensation
Beginning balance at May. 26, 2019	$ 2,392.6	$ 1,685.0	$ 806.6	$ (98.2)	$ (0.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	170.6		170.6
Other comprehensive income (loss)	(2.8)			(2.8)
Dividends declared	(108.4)		(108.4)
Stock option exercises	9.2	9.2
Stock-based compensation	7.6	7.6
Repurchases of common stock	(94.8)	(10.9)	(83.9)
Issuance of stock under Employee Stock Purchase Plan and other plans	2.0	2.0
Other	5.3		5.0		0.3
Ending balance at Aug. 25, 2019	2,381.3	1,692.9	789.9	(101.0)	(0.5)
Beginning balance at May. 31, 2020	2,331.2	2,205.3	143.5	(17.6)	0.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	36.1		36.1
Other comprehensive income (loss)	5.1			5.1
Stock option exercises	1.7	1.7
Stock-based compensation	11.1	11.1
Repurchases of common stock	(6.6)	(1.4)	(5.2)
Issuance of stock under Employee Stock Purchase Plan and other plans	2.5	2.5
Other	(6.1)	1.7	(7.8)
Ending balance at Aug. 30, 2020	$ 2,375.0	$ 2,220.9	$ 166.6	$ (12.5)	$ 0.0