Per Share Data - Computation of Basic and Diluted Net Loss Per Share Data (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
Apr. 02, 2022	Apr. 03, 2021
Numerator:
Net loss	$ (8,243)	$ (18,227)
Denominator:
Weighted average shares of common stock outstanding	70,086	69,084
Weighted average diluted common shares outstanding	70,086	69,084
Net loss per share
Basic	$ (0.12)	$ (0.26)
Diluted	$ (0.12)	$ (0.26)

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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- Definition

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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