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Description of Business and Summary of Significant Accounting Policies (Details 2) - USD ($)
$ in Thousands
May. 28, 2015
May. 29, 2014
Unrealized loss on available for sale investments $ (11) $ (11)
Unrecognized gain (loss) on interest rate swap agreement (17) 34
Net unrecognized actuarial loss for pension obligation (5,284) (4,581)
Accumulated Other Comprehensive Income (Loss), Net of Tax $ (5,312) $ (4,558)