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	421.5		421.5
Other comprehensive income (loss)	(17.5)				(17.5)
Dividends declared	(234.9)		(234.9)
Stock option exercises	31.1	31.1
Stock-based compensation	16.7	16.7
Repurchases of common stock	(207.6)	(31.9)	(175.7)
Issuance of stock under Employee Stock Purchase Plan and other plans	4.4	4.3				0.1
Other	9.5	(6.4)	15.4			0.5
Ending balance at Feb. 25, 2018	2,124.9	1,628.4	586.4	(7.8)	(80.4)	(1.7)
Beginning balance at Nov. 26, 2017	1,976.1	1,606.8	447.3	(7.8)	(68.2)	(2.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	217.8		217.8
Other comprehensive income (loss)	(12.2)				(12.2)
Dividends declared	(77.9)		(77.9)
Stock option exercises	16.5	16.5
Stock-based compensation	6.1	6.1
Repurchases of common stock	(18.7)	(2.5)	(16.2)
Issuance of stock under Employee Stock Purchase Plan and other plans	1.6	1.5				0.1
Other	15.6		15.4			0.2
Ending balance at Feb. 25, 2018	2,124.9	1,628.4	586.4	(7.8)	(80.4)	(1.7)
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)