Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares shares in Millions	3 Months Ended		9 Months Ended
	Feb. 24, 2019	Feb. 25, 2018	Feb. 24, 2019	Feb. 25, 2018
Statement of Stockholders' Equity [Abstract]
Dividends declared (in dollars per share)	$ 0.75	$ 0.63	$ 2.25	$ 1.89
Stock option exercised (in shares)	0.0	0.4	0.9	0.8
Repurchases of common stock, (in shares)	0.7	0.2	1.6	2.5
Issuance of stock under Employee Stock Purchase Plan and other plans (in shares)	0.0	0.1	0.1	0.1