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Employee Retirement and Profit Sharing Plans (Details 1) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Mar. 26, 2011
Amounts recognized in accumulated other comprehensive loss    
Unamortized transition obligation $ 0 $ 0
Unamortized prior service cost 0 0
Unamortized net loss 5,733 2,545
Total $ 5,733 $ 2,545