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Segmented Information - Schedule of Information Relating to Segments (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 29, 2014
Mar. 30, 2013
Mar. 31, 2012
Segment Reporting Information [Line Items]      
Sales to external customers $ 281,165 $ 292,759 $ 302,317
Unadjusted gross profit 119,873 131,166 139,694
Intersegment Eliminations [Member]
     
Segment Reporting Information [Line Items]      
Inter-segment sales 18,320 25,126 27,076
Retail Segment [Member]
     
Segment Reporting Information [Line Items]      
Unadjusted gross profit 114,210 120,554 125,749
Retail Segment [Member] | Operating Segments [Member]
     
Segment Reporting Information [Line Items]      
Sales to external customers 270,630 274,725 279,345
Other Segments [Member]
     
Segment Reporting Information [Line Items]      
Unadjusted gross profit 5,663 10,612 13,945
Other Segments [Member] | Operating Segments [Member]
     
Segment Reporting Information [Line Items]      
Sales to external customers 10,535 18,034 22,972
Other Segments [Member] | Intersegment Eliminations [Member]
     
Segment Reporting Information [Line Items]      
Inter-segment sales $ 18,320 $ 25,126 $ 27,076