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Segmented Information - Schedule of Information Relating to Segments (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 25, 2017 | Mar. 26, 2016 | Mar. 28, 2015
Segment Reporting Information [Line Items] |  |  |
Sales to external customers | $ 286,921 | $ 285,826 | $ 301,637
Unadjusted gross profit | 109,549 | 112,714 | 123,518
Intersegment Eliminations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Inter-segment sales | 13,586 | 14,002 | 15,891
Retail Segment [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Unadjusted gross profit | 108,487 | 110,023 | 118,128
Retail Segment [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales to external customers | 283,807 | 281,940 | 293,146
Other Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Unadjusted gross profit | 1,062 | 2,691 | 5,390
Other Segments [Member] | Intersegment Eliminations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Inter-segment sales | 13,586 | 14,002 | 15,891
Other Segments [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Sales to external customers | $ 3,114 | $ 3,886 | $ 8,491

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + 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=63488584&loc=d3e20235-122688 + 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=63488584&loc=d3e20235-122688 + Details
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