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Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 30, 2019 | Mar. 31, 2018 | Mar. 25, 2017 | Mar. 31, 2019 | Dec. 11, 2016 | Nov. 01, 2016
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Amounts receivable from credit card issuers | $ 1,000 | $ 1,000 |  |  |  |  |  |
Accounts receivable periods | 30 days |  |  |  |  |  |  |
Amortization method of intangible assets | trademarks and tradenames, which are amortized using the straight-line method over a period of 15 to 20 years. |  |  |  |  |  |  |
Intangible assets | $ 5,200 | 4,600 |  |  |  |  |  |
Accumulated amortization of intangible assets | $ 800 | 700 |  |  |  |  |  |
Period of warranties | 5 years |  |  |  |  |  |  |
Asset impairment charges | $ 100 | 2,800 |  |  |  |  |  |
Reimbursement of advertising cost | 1,000 | 1,100 |  | $ 1,100 |  |  |  |
Advertising and marketing expense | 8,700 | 9,500 |  | 7,300 |  |  |  |
Deferred operating lease liabilities | 10,200 | 6,200 |  |  |  |  |  |
Non-cash gain |  |  |  |  |  | $ 2,000 |  |
Restructuring Charges | 1,182 | 894 | [1] | $ 897 | [1] |  |  |
Accrued Liabilities, Current | $ 9,657 | $ 7,496 | [1] |  |  |  |  |
Deferred lease Inducements |  |  |  |  |  | 7,000 |  |
Head Office [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Capital lease asset |  |  |  |  |  |  |  | $ 8,700
Capital lease obligation |  |  |  |  |  |  |  | 11,600
Lease period | 20 years |  |  |  |  |  |  |
Annual rent rate |  |  |  |  |  |  | $ 2,200 |
Head Office [Member] | Other Noncurrent Liabilities [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Non-cash gain | $ 2,300 |  |  |  |  |  |  | $ 2,900
Equity Option [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Outstanding | 288,000 | 382,693 |  | 417,377 |  |  |  |
Warrant [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Outstanding | 382,693 | 381,487 |  | 382,693 |  |  |  |
Cost of Goods Sold [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Foreign exchange gains (losses) | $ (100) | $ 300 |  | $ (200) |  |  |  |
Interest and Other Financial Costs [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Foreign exchange gains (losses) | (300) | $ 100 |  | $ 100 |  |  |  |
Restructuring Charges [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Accrued Liabilities, Current | $ 800 |  |  |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Product return, Days | 90 days |  |  |  |  |  |  |
Consumer credit receivable charges | 9.99% |  |  |  |  |  |  |
Operating Lease, Liability |  |  |  |  |  | 82,000 |  |
Operating Lease, Right-of-Use Asset |  |  |  |  |  | 73,000 |  |
Minimum [Member] |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Product return, Days | 10 days |  |  |  |  |  |  |
Consumer credit receivable charges | 0.00% |  |  |  |  |  |  |
Operating Lease, Liability |  |  |  |  |  | 74,000 |  |
Operating Lease, Right-of-Use Asset |  |  |  |  |  | $ 65,000 |  |
[1] | Recast (refer to note 1)

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