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Significant accounting policies (Tables) | 12 Months Ended
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Mar. 30, 2013
Accounting Policies [Abstract] |
Estimated Useful Lives of Assets | Depreciation and amortization are computed using the straight-line method based on the estimated useful lives of the assets as follows:
Asset |  | Period
Buildings |  | Lesser of term of the lease or the economic life
Leasehold improvements |  | Lesser of term of the lease or the economic life
Software and electronic equipment |  | 3 - 10 years
Molds |  | 2 - 5 years
Furniture and fixtures |  | 5 - 8 years
Equipment and vehicles |  | 3 - 8 years
Basic and Diluted Earnings Per Common Share | The following table sets forth the computation of basic and diluted earnings per common share for the years ended March 30, 2013, March 31, 2012 and March 26, 2011:
|  | Fiscal Year Ended |
|  | March 30, 2013 |  |  | March 31, 2012 |  |  | March 26, 2011 |
|  | (In thousands, except per share data) |
Basic income (loss) per common share computation: |  |  |  |  |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | 1,513 |  |  | $ | 219 |  |  | $ | (7,746 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common shares outstanding |  |  | 13,538 |  |  |  | 11,392 |  |  |  | 11,390 |
Income (loss) per common share |  | $ | 0.11 |  |  | $ | 0.02 |  |  | $ | (0.68 | )
Diluted income (loss) per common share computation: |  |  |  |  |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | 1,513 |  |  | $ | 219 |  |  | $ | (7,746 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common shares outstanding |  |  | 13,538 |  |  |  | 11,392 |  |  |  | 11,390 |
Dilutive effect of stock options, warrants and stock appreciation rights (SARs) |  |  | 6 |  |  |  | 46 |  |  |  | — |
Weighted-average common shares outstanding – diluted |  |  | 13,544 |  |  |  | 11,438 |  |  |  | 11,390 |
Diluted income (loss) per common share |  | $ | 0.11 |  |  | $ | 0.02 |  |  | $ | (0.68 | )

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