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Segmented Information - Schedule of Information Relating to Segments (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Mar. 30, 2013 | Mar. 31, 2012 | Mar. 26, 2011
Sales Information [Line Items] |  |  |
Sales to external customers | $ 292,759 | $ 302,317 | $ 270,948
Inter-segment sales | 25,126 | 27,076 | 21,875
Unadjusted gross profit | 131,166 | 139,694 | 121,757
Retail Segment [Member] |  |  |
Sales Information [Line Items] |  |  |
Sales to external customers | 274,725 | 279,345 | 257,150
Unadjusted gross profit | 120,554 | 125,749 | 113,131
Other Segments [Member] |  |  |
Sales Information [Line Items] |  |  |
Sales to external customers | 18,034 | 22,972 | 13,798
Inter-segment sales | 25,126 | 27,076 | 21,875
Unadjusted gross profit | $ 10,612 | $ 13,945 | $ 8,626

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- Definition Unadjusted Gross Profit + References No definition available. + Details
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- Definition Amount of revenue from transactions with other operating segments of the same entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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