CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	May 29, 2014	May 30, 2013	May 31, 2012
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax, Total	$ 1	$ 1	$ 75
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Tax	(668)	49	(1,069)
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Tax	114	119	49
Other Comprehensive Amortization Of Loss Derivatives Qualifying As Hedges Tax	0	41	46
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax, Total	(65)	(4)	0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	$ 76	$ 16	$ 0