Acquisitions - Business Acquisition Pro Forma Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 27, 2025	Dec. 28, 2024	Dec. 30, 2023
Business Combination
Net (loss) income	$ (6,613)	$ (14,106)	$ 633
Basler and Dortmund Fab
Business Combination
Net sales	2,515,937	2,354,262	2,364,543
Income before income taxes	11,474	148,476	330,114
Net (loss) income	$ (66,100)	$ 96,901	$ 260,812
Net (loss) income per share — basic (in dollars per share)	$ (2.66)	$ 3.90	$ 10.49
Net (loss) income per share — diluted (in dollars per share)	$ (2.66)	$ 3.87	$ 10.39