Computation of Basic and Diluted Net Loss Per Share - Additional Information (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	8 Months Ended
Mar. 23, 2013
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net loss	$ (3,512)
Denominator:
Weighted-average shares of common stock outstanding	28,882
Weighted-average shares subject to repurchase
Shares used in per-share calculation-basic	28,882
Weighted-average shares of common stock outstanding	28,882
Weighted common stock equivalents
Shares used in per-share calculation-diluted	28,882
Net loss per share:
Basic	$ (0.12)
Diluted	$ (0.12)

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of shares of common stock subject to repurchase or cancellation determined by relating the portion of time within a reporting period that these shares have been outstanding to the total time in that period. Common stock subject to repurchase are outstanding common shares that are contingently returnable (that is, subject to recall).

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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