Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 27, 2024	Dec. 29, 2023	Dec. 30, 2022
Income Statement [Abstract]
Net sales	$ 849,040	$ 811,120	$ 1,280,069
Cost of sales	745,706	707,724	1,068,205
Gross profit	103,334	103,396	211,864
Operating expenses:
Research and development	23,018	20,223	19,564
Selling, general, and administrative	79,384	79,334	88,572
Amortization of intangible assets	8,572	14,734	17,905
Total operating expenses	110,974	114,291	126,041
Operating Income (loss)	(7,640)	(10,895)	85,823
Interest expense, net	9,266	19,379	11,056
Other expense (income), net	1,148	804	(563)
Income (Loss) before income taxes	(18,054)	(31,078)	75,330
Income tax expense	2,766	11,907	2,526
Net income (loss)	$ (20,820)	$ (42,985)	$ 72,804
Net income (loss) per share:
Net income per share basic (in usd per share)	$ (0.64)	$ (1.47)	$ 2.54
Net income per share diluted (in usd per share)	$ (0.64)	$ (1.47)	$ 2.51
Shares used to compute Net income (loss) per share:
Shares used to compute net income per share, basic (in shares)	32,759,896	29,200,796	28,714,550
Shares used to compute net income per share, diluted (in shares)	32,759,896	29,200,796	28,963,031