Summary of Significant Accounting Policies - Weighted Average Number of Shares Outstanding Used to Compute Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended		9 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Jun. 28, 2025	Jun. 29, 2024	Sep. 27, 2025	Sep. 28, 2024
Accounting Policies [Abstract]
Net (Loss) Income	$ (64,446)	$ 10,148	$ 23,064	$ 14,573	$ (41,382)	$ 24,721
Weighted-average number of common shares outstanding
Basic weighted-average common shares outstanding (in shares)	14,978	14,806			14,925	14,758
Dilutive potential common shares (in shares)	0	233			0	223
Diluted weighted-average common shares outstanding (in shares)	14,978	15,039			14,925	14,981
(Loss) earnings per share
Basic (in dollars per share)	$ (4.30)	$ 0.69			$ (2.77)	$ 1.68
Diluted (in dollars per share)	$ (4.30)	$ 0.67			$ (2.77)	$ 1.65