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Employee Benefit Plans - Unfunded nonqualified, defined-benefit and account-based retirement plan (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 30, 2021 | Dec. 31, 2020
Change in benefit obligation: |  |
Benefit obligation at beginning of period | $ 48,604 | $ 43,824
Service cost | 1,122 | 1,095
Interest cost | 1,201 | 1,371
Actuarial (gain) loss | (2,630) | 3,806
Benefits paid | (1,470) | (1,492)
Benefit obligation at end of year | 46,827 | 48,604
Amounts recognized in the statement of financial position consist of: |  |
Current accrued benefit liability (included in Other accrued liabilities) | (1,674) | (1,401)
Noncurrent accrued benefit liability (included in Other long-term obligations) | (45,153) | (47,203)
Total | (46,827) | (48,604)
Amounts recognized in accumulated other comprehensive loss consist of: |  |
Net actuarial loss | 15,120 | 19,125
Prior service credit | (323) | (387)
Total | $ 14,797 | $ 18,738

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- Definition Amount of liability, recognized in statement of financial position, for defined benefit pension plan. Excludes other postretirement benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(15)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(15)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123453770&loc=d3e1703-114919 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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