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Employee Benefit Plans (Details 1) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
May 29, 2014 | May 30, 2013 | May 31, 2012
Net periodic pension cost: |  |  |
Service cost | $ 702 | $ 712 | $ 627
Interest cost | 1,173 | 1,099 | 1,178
Net amortization of prior service cost and actuarial loss | 268 | 286 | 121
Total | $ 2,143 | $ 2,097 | $ 1,926

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