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Benefit Plans - Benefit Plan Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 25, 2021 | Dec. 26, 2020 | Dec. 28, 2019
Change in fair value of plan assets: |  |  |
Beginning balance | $ 78,480 |  |
Surplus assets |  | $ 12,400 |
Ending balance | 79,478 | 78,480 |
Incremental benefit payments |  | 100,000 |
Actuarial net loss | $ 800 |  |
Payable maximum period to be considered current | 12 months |  |
Ultimate health care cost trend rate | 4.10% |  |
Minimum |  |  |
Change in fair value of plan assets: |  |  |
Annual assumed rate of increase in the per capita cost of covered benefits | 4.50% |  |
Maximum |  |  |
Change in fair value of plan assets: |  |  |
Annual assumed rate of increase in the per capita cost of covered benefits | 6.40% |  |
Pension Benefits |  |  |
Change in benefit obligation [Roll Forward] |  |  |
Obligation at beginning of year | $ 90,809 | 182,164 |
Service cost | 0 | 0 |
Interest cost | 1,272 | 3,260 | $ 5,972
Actuarial (gain) loss | (4,062) | 10,790 |
Plan amendments | 0 | 0 |
Benefit payments | (2,832) | (9,214) |
Curtailment | 0 | 0 |
Settlement | 0 | (99,585) |
Foreign currency translation adjustment | (904) | 3,394 |
Obligation at end of year | 84,283 | 90,809 | 182,164
Change in fair value of plan assets: |  |  |
Beginning balance | 78,480 | 183,486 |
Actual return on plan assets | 4,791 | 13,313 |
Employer contributions | 0 | 0 |
Benefit payments | (2,832) | (9,214) |
Settlement | 0 | (99,585) |
Surplus assets | 0 | 12,386 |
Foreign currency translation adjustment | (961) | 2,866 |
Ending balance | 79,478 | 78,480 | 183,486
Funded (underfunded) status at end of year | (4,805) | (12,329) |
Plan termination, termination costs |  | 17,800 |
Plan termination, federal excise tax |  | 6,200 |
Other Benefits |  |  |
Change in benefit obligation [Roll Forward] |  |  |
Obligation at beginning of year | 12,782 | 12,653 |
Service cost | 258 | 212 | 260
Interest cost | 281 | 430 | 609
Actuarial (gain) loss | (812) | 422 |
Plan amendments | 0 | (26) |
Benefit payments | (634) | (716) |
Curtailment | 0 | (183) |
Settlement | 0 | 0 |
Foreign currency translation adjustment | (50) | (10) |
Obligation at end of year | 11,825 | 12,782 | 12,653
Change in fair value of plan assets: |  |  |
Beginning balance | 0 | 0 |
Actual return on plan assets | 0 | 0 |
Employer contributions | 634 | 716 |
Benefit payments | (634) | (716) |
Settlement | 0 | 0 |
Surplus assets | 0 | 0 |
Foreign currency translation adjustment | 0 | 0 |
Ending balance | 0 | 0 | $ 0
Funded (underfunded) status at end of year | $ (11,825) | $ (12,782) |
Foreign Plan | Pension Benefits |  |  |
Change in fair value of plan assets: |  |  |
Percent of above benefit obligation on company sponsored UK pension plan | 100.00% | 100.00% |
Percent above plan assets on company sponsored UK pension plan | 100.00% | 100.00% |

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