Segmented Information - Schedule of Information Relating to Segments (Detail) - USD ($) $ in Thousands	12 Months Ended
Mar. 26, 2016	Mar. 28, 2015	Mar. 29, 2014
Segment Reporting Information [Line Items]
Sales to external customers	$ 285,826	$ 301,637	$ 281,165
Unadjusted gross profit	112,714	123,518	119,873
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Inter-segment sales	14,002	15,891	18,320
Retail Segment [Member]
Segment Reporting Information [Line Items]
Unadjusted gross profit	110,023	118,128	114,210
Retail Segment [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Sales to external customers	281,940	293,146	270,630
Other Segments [Member]
Segment Reporting Information [Line Items]
Unadjusted gross profit	2,691	5,390	5,663
Other Segments [Member] \| Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Inter-segment sales	14,002	15,891	18,320
Other Segments [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Sales to external customers	$ 3,886	$ 8,491	$ 10,535

Unadjusted gross profit.

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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=26872669&loc=d3e20235-122688

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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

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- Definition

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+ References

No definition available.

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