Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2024	Sep. 28, 2023	Sep. 26, 2024	Sep. 28, 2023
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 23,314	$ 12,234	$ (8,773)	$ 16,234
Other comprehensive loss, net of tax:
Amortization of the net actuarial loss and prior service credit related to the pension, net of tax benefit of $4, $4, $13 and $13, respectively	(12)	(12)	(35)	(35)
Fair market value adjustment of interest rate swap, net of tax benefit of $8	0	0	0	(22)
Reclassification adjustment on interest rate swap included in interest expense, net of tax benefit of $20	0	0	0	(58)
Other comprehensive loss	(12)	(12)	(35)	(115)
Comprehensive income (loss)	$ 23,302	$ 12,222	$ (8,808)	$ 16,119