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Employee Retirement and Profit Sharing Plans (Details 5)
12 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Mar. 26, 2011
Weighted average assumptions used to determine net periodic pension costs      
Discount rate 4.49% 5.75% 6.14%
Expected long-term return on assets 7.00% 7.00% 7.25%