Segmented Information - Schedule of Information Relating to Segments (Detail) - USD ($) $ in Thousands	12 Months Ended
Mar. 28, 2015	Mar. 29, 2014	Mar. 30, 2013
Segment Reporting Information [Line Items]
Sales to external customers	$ 301,637	$ 281,165	$ 292,759
Unadjusted gross profit	123,518	119,873	131,166
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Inter-segment sales	15,891	18,320	25,126
Retail Segment [Member]
Segment Reporting Information [Line Items]
Unadjusted gross profit	118,128	114,210	120,554
Retail Segment [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Sales to external customers	293,146	270,630	274,725
Other Segments [Member]
Segment Reporting Information [Line Items]
Unadjusted gross profit	5,390	5,663	10,612
Other Segments [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Sales to external customers	8,491	10,535	18,034
Other Segments [Member] \| Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Inter-segment sales	$ 15,891	$ 18,320	$ 25,126

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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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

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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