Benefit Plans - The Company's Pension Plan Assets Measured at Fair Value (Details) - USD ($) $ in Thousands	Dec. 27, 2025	Dec. 28, 2024	Dec. 30, 2023
Defined Benefit Plan Disclosure
Total pension plan assets	$ 41,613	$ 39,338
Insurance contracts and other
Defined Benefit Plan Disclosure
Total pension plan assets	154	131
Cash and cash equivalents
Defined Benefit Plan Disclosure
Total pension plan assets	808	422
Equities
Defined Benefit Plan Disclosure
Total pension plan assets	2,635	2,921
Fixed income
Defined Benefit Plan Disclosure
Total pension plan assets	13,029	12,422
Bulk annuity contract
Defined Benefit Plan Disclosure
Total pension plan assets	24,987	23,442
Level 1
Defined Benefit Plan Disclosure
Total pension plan assets	10,685	10,567
Level 1 | Insurance contracts and other
Defined Benefit Plan Disclosure
Total pension plan assets	0	0
Level 1 | Cash and cash equivalents
Defined Benefit Plan Disclosure
Total pension plan assets	808	422
Level 1 | Equities
Defined Benefit Plan Disclosure
Total pension plan assets	2,635	2,921
Level 1 | Fixed income
Defined Benefit Plan Disclosure
Total pension plan assets	7,242	7,224
Level 1 | Bulk annuity contract
Defined Benefit Plan Disclosure
Total pension plan assets	0	0
Level 2
Defined Benefit Plan Disclosure
Total pension plan assets	0	0
Level 2 | Insurance contracts and other
Defined Benefit Plan Disclosure
Total pension plan assets	0	0
Level 2 | Cash and cash equivalents
Defined Benefit Plan Disclosure
Total pension plan assets	0	0
Level 2 | Equities
Defined Benefit Plan Disclosure
Total pension plan assets	0	0
Level 2 | Fixed income
Defined Benefit Plan Disclosure
Total pension plan assets	0	0
Level 2 | Bulk annuity contract
Defined Benefit Plan Disclosure
Total pension plan assets	0	0
Level 3
Defined Benefit Plan Disclosure
Total pension plan assets	25,141	23,573	$ 133
Level 3 | Insurance contracts and other
Defined Benefit Plan Disclosure
Total pension plan assets	154	131
Level 3 | Cash and cash equivalents
Defined Benefit Plan Disclosure
Total pension plan assets	0	0
Level 3 | Equities
Defined Benefit Plan Disclosure
Total pension plan assets	0	0
Level 3 | Fixed income
Defined Benefit Plan Disclosure
Total pension plan assets	0	0
Level 3 | Bulk annuity contract
Defined Benefit Plan Disclosure
Total pension plan assets	24,987	23,442
NAV
Defined Benefit Plan Disclosure
Total pension plan assets	5,787	5,198
NAV | Insurance contracts and other
Defined Benefit Plan Disclosure
Total pension plan assets	0	0
NAV | Cash and cash equivalents
Defined Benefit Plan Disclosure
Total pension plan assets	0	0
NAV | Equities
Defined Benefit Plan Disclosure
Total pension plan assets	0	0
NAV | Fixed income
Defined Benefit Plan Disclosure
Total pension plan assets	5,787	5,198
NAV | Bulk annuity contract
Defined Benefit Plan Disclosure
Total pension plan assets	$ 0	$ 0