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. 28, 2017	$ 2,101.7	$ 1,614.6	$ 560.1	$ (7.8)	$ (62.9)	$ (2.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	119.0		119.0
Other comprehensive (loss) income	(3.2)				(3.2)
Dividends declared ($0.63 and $0.75 per share)	(79.1)		(79.1)
Stock option exercises (0.3 million and 0.7 million shares)	14.4	14.4
Stock-based compensation	4.6	4.6
Repurchases of common stock (1.2 million and 0.3 million shares)	(100.2)	(15.2)	(85.0)
Issuance of stock under Employee Stock Purchase Plan and other plans (0.1 shares)	1.4	1.4				0.0
Other	0.1					0.1
Ending balance at Aug. 27, 2017	2,058.7	1,619.8	515.0	(7.8)	(66.1)	(2.2)
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	166.2		166.2
Other comprehensive (loss) income	8.8				8.8
Dividends declared ($0.63 and $0.75 per share)	(93.5)		(93.5)
Stock option exercises (0.3 million and 0.7 million shares)	31.6	31.6
Stock-based compensation	5.6	5.6
Repurchases of common stock (1.2 million and 0.3 million shares)	(31.3)	(4.1)	(27.2)
Issuance of stock under Employee Stock Purchase Plan and other plans (0.1 shares)	1.7	1.7				0.0
Other	(8.7)	0.7	(9.6)			0.2
Ending balance at Aug. 26, 2018	$ 2,275.2	$ 1,667.4	$ 693.5	$ (7.8)	$ (76.4)	$ (1.5)