Income Taxes (Schedule of the reconcilation of the effective income tax rate) (Details)	12 Months Ended
	May 25, 2014	May 26, 2013	May 27, 2012
Effective Income Tax Rate Reconciliation [Abstract]
United States statutory rate	35.00%	35.00%	35.00%
State and local income taxes, net of federal tax benefits	1.40%	1.30%	1.40%
Foreign rate differences	(0.10%)	(0.60%)	(2.00%)
Deferred taxes for Medicare subsidies	0.00%	(1.30%)	0.00%
GMC subsidiary restructure	0.00%	(2.50%)	0.00%
Domestic manufacturing deduction	(2.30%)	(2.10%)	(1.80%)
Other, net	(0.70%)	(0.60%)	(0.50%)
Effective income tax rate	33.30%	29.20%	32.10%