Consolidated Statements Of Changes In Stockholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	May 31, 2020	May 26, 2019	May 27, 2018
Statement of Stockholders' Equity [Abstract]
Dividends declared (in dollars per share)	$ 2.64	$ 3.00	$ 2.52
Stock option exercised (in shares)	300,000	1,200,000	800,000
Repurchases of common stock (in shares)	2,900,000	1,900,000	2,800,000
Issuance of stock under Employee Stock Purchase Plan and other plans (in shares)	100,000	100,000	100,000
Stock Issuance - Public Offering (in shares)	9,000,000.0