Stockholders' Equity (Narrative) (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	May 29, 2016	May 31, 2015	May 25, 2014
Preferred Stock, Shares Authorized	5.0
Number of shares of common stock authorized for repurchase	100.0
Shares purchased	10.7	22.3	35.6
Fair value of treasury stock acquired	$ 606.7	$ 1,161.9	$ 1,774.4