Employee Benefit Plans - Change in Benefit Obligation and Plan Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2024	Dec. 27, 2023	Dec. 28, 2022
Change in Benefit Obligation:
Benefit obligation at beginning of year	$ 1,078	$ 1,606
Interest cost	31	53	$ 36
Actuarial gain	(83)	(29)
Benefits paid	(106)	(131)
Settlements	(430)	(421)
Benefit obligation at end of year	490	1,078	1,606
Accumulated benefit obligation	490	1,078
Change in Plan Assets:
Fair value of plan assets at beginning of year	0	0
Employer contributions	536	552
Benefits paid	(106)	(131)
Settlements	(430)	(421)
Fair value of plan assets at end of year	0	0	$ 0
Unfunded status at end of year	(490)	(1,078)
Amounts recognized on the balance sheet:
Other current liabilities	(105)	(582)
Other noncurrent liabilities	(385)	(496)
Net amount recognized	(490)	(1,078)
Amounts in accumulated other comprehensive loss not yet reflected in net period benefit cost:
Unamortized actuarial losses, net	(277)	(449)
Other changes in plan assets and benefit obligations recognized in accumulated other comprehensive loss, net:
Benefit obligation actuarial gain (loss)	83	(98)
Amortization of net loss	63	56
Settlement loss recognized	26	35
Plan closure loss	0	74
Other comprehensive income	$ 172	$ 67