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Segmented Information - Summary of Sales by Classes of Similar Products (Detail) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2018	Mar. 25, 2017		Mar. 26, 2016
Product Information [Line Items]
Net sales, total	$ 114,378	$ 116,436	[1]	$ 128,651	[1]
Jewelry and Other [Member]
Product Information [Line Items]
Net sales, total	80,453	80,503		90,793
Timepieces [Member]
Product Information [Line Items]
Net sales, total	$ 33,925	$ 35,933		$ 37,858
[1] Retrospectively revised (see note 18)

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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

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