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Summary of Significant Accounting Policies - Basic and Diluted Net Income Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Disclosure Basic And Diluted Net Income Per Share [Abstract]
Net loss	$ (21,526)	$ (6,371)	$ (131,607)	$ (68,410)
Basic	34,866	30,348	33,128	29,276
Basic income per share	$ (0.62)	$ (0.21)	$ (3.97)	$ (2.34)
Diluted income per share	$ (0.62)	$ (0.21)	$ (3.97)	$ (2.34)

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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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