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Note 6 - Accounts and Other Receivables, Net (Detail) - Changes in allowance for doubtful accounts (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2013
Mar. 25, 2012
Mar. 27, 2011
Beginning balance $ 138 $ 62 $ 415
Bad debt expense 15 86 56
Uncollectible marketing fund contributions 5 0 12
Accounts written off (28) (10) (421)
Ending balance $ 130 $ 138 $ 62