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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
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Mar. 25, 2017 | Mar. 26, 2016 | Mar. 28, 2015
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net sales, total | $ 286,921 | $ 285,826 | $ 301,637
Long-lived assets, total | 23,180 | 29,912 | 29,029
Canada [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net sales, total | 116,436 | 128,651 | 143,384
Long-lived assets, total | 13,921 | 18,610 | 17,072
United States [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net sales, total | 170,485 | 157,175 | 158,253
Long-lived assets, total | 9,259 | 11,302 | 11,957
Jewelry and Other [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net sales, total | 122,405 | 127,220 | 141,781
Timepieces [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Net sales, total | $ 164,516 | $ 158,606 | $ 159,856

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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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