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Rent Expense for Operating Leases (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2012
Apr. 02, 2011
Apr. 03, 2010
Operating Leased Assets [Line Items]      
Minimum rentals $ 61,364 $ 43,875 $ 26,246
Contingent rent 11,209 3,049 1,071
Total rent expense $ 72,573 $ 46,924 $ 27,317