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Pension and Other Postretirement Benefits - Narrative (Details) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Jan. 01, 2022
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Pension and other postretirement benefits |  | $ (2,079,000) | $ (7,964,000) | $ (6,330,000) |
Total contribution amount |  | 6,100,000 | 7,200,000 | 4,800,000 |
Pension Benefits |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Accumulated benefit obligation |  | 217,500,000 | 204,500,000 |  |
Defined benefit plan, plan assets, liquidated assets | $ 50,000,000 |  |  |  |
Minimum expected cash contributions in next fiscal year |  | 5,700,000 |  |  |
Pension and other postretirement benefits |  | 2,535,000 | (1,118,000) | 572,000 |
Pension Benefits | Cleveland Bakers and Teamsters Pension Fund |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Multiemployer plan liabilities |  | 0 |  |  | $ 576,000,000
Multiemployer plan pension assets |  |  | 340,000,000 |  |
Multiemployer plan contributions |  | 100,000 |  |  |
Pension Benefits | U.S. |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Accumulated benefit obligation |  | 79,100,000 | 79,100,000 |  |
Minimum expected cash contributions in next fiscal year |  | 3,300,000 |  |  |
Pension and other postretirement benefits |  | 1,121,000 | (987,000) | 932,000 |
Pension Benefits | Foreign |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Accumulated benefit obligation |  | 138,400,000 | 125,400,000 |  |
Minimum expected cash contributions in next fiscal year |  | 2,400,000 |  |  |
Pension and other postretirement benefits |  | $ 1,414,000 | $ (131,000) | (360,000) |
Commingled funds measured at NAV | Defined Benefit Plan, Equity Securities |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Investments percentage |  | 35.00% | 34.00% |  |
Commingled funds measured at NAV | Fixed Income Securities |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Investments percentage |  | 50.00% | 50.00% |  |
Commingled funds measured at NAV | Other Debt Obligations |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Investments percentage |  | 14.00% | 16.00% |  |
Pooled separate accounts | Defined Benefit Plan, Equity Securities |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Investments percentage |  | 25.00% |  |  |
Pooled separate accounts | Fixed Income Securities |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Investments percentage |  | 75.00% |  |  |
Other Postretirement Benefits |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Minimum expected cash contributions in next fiscal year |  | $ 200,000 |  |  |
Other Postretirement Benefits | U.S. |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Pension and other postretirement benefits |  | (75,000) | $ (74,000) | (85,000) |
Supplemental Retirement Benefits Plan | U.S. |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Pension and other postretirement benefits |  | $ 600,000 | $ 700,000 | $ 3,000,000 |

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