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Segmented Information - Schedule of Sales to External Customers and Long-Lived Assets by Geographical Areas (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 26, 2016
Mar. 28, 2015
Mar. 29, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net sales, total $ 285,826 $ 301,637 $ 281,165
Long-lived assets, total 31,579 31,264 32,765
Canada [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net sales, total 128,651 143,384 146,277
Long-lived assets, total 19,464 17,898 19,484
United States [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net sales, total 157,175 158,253 134,888
Long-lived assets, total 12,115 13,366 13,281
Jewelry and Other [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net sales, total 127,220 141,781 148,511
Timepieces [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Net sales, total $ 158,606 $ 159,856 $ 132,654