Consolidated Statements of Changes In Stockholders' Equity (Parenthetical) - shares shares in Millions	3 Months Ended
	Aug. 27, 2017	Aug. 28, 2016
Statement of Stockholders' Equity [Abstract]
Stock option exercised, shares	0.3	0.1
Repurchases of common stock, shares	1.2	3.2
Issuance of treasury stock under Employee Stock Purchase Plan and other plans, shares	0.1	0.0