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Benefit Plans - Narrative (Details) $ in Thousands, £ in Millions |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Apr. 06, 2020 USD ($) | Apr. 06, 2020 GBP (£) | Jan. 01, 2022 USD ($) | Jan. 01, 2022 GBP (£) | Jun. 27, 2020 USD ($) | Jun. 27, 2020 GBP (£) | Dec. 29, 2022 USD ($) | Jan. 01, 2022 USD ($) | Dec. 26, 2020 USD ($) | Dec. 28, 2019 USD ($) | Apr. 07, 2020 USD ($)
Defined Benefit Plan Disclosure |  |  |  |  |  |  |  |  |  |  |
One-time non cash settlement charge |  |  |  |  |  |  |  | $ (19,855) | $ (236) | $ (260) |
Prior service cost |  |  |  |  |  |  |  | 179 |  |  |
Expected contributions |  |  | $ 2,600 |  |  |  |  | 2,600 |  |  |
Post-employment plan expense |  |  |  |  |  |  |  | 2,100 | 2,000 | $ 1,400 |
Benefit obligation |  |  | 4,100 |  |  |  |  | 4,100 | 3,500 |  |
Amount recognized in other comprehensive income loss as a component of net periodic benefit cost |  |  |  |  |  |  |  | 300 | 100 |  |
Defined benefit plan reclassification adjustments before tax |  |  |  |  |  |  |  | 700 | 700 |  |
Forecast | Subsequent Event |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |  |  |  |  |
Benefits paid |  |  |  |  |  |  | $ 1,800 |  |  |  |
Accrued Liabilities |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |  |  |  |  |
Benefit obligation |  |  | 1,500 |  |  |  |  | 1,500 | 1,200 |  |
Other Long-Term Liabilities |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |  |  |  |  |
Benefit obligation |  |  | 2,600 |  |  |  |  | 2,600 | 2,300 |  |
Foreign Plan |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |  |  |  |  |  |
Increase to defined benefit obligation | $ 13,400 | £ 10.9 |  |  |  |  |  |  |  |  |
Benefits paid |  |  |  |  | $ 10,400 | £ 8.4 |  |  |  |  |
One-time non cash settlement charge |  |  | 19,900 | £ 14.9 |  |  |  |  |  |  |
Prior service cost |  |  | 500 | £ 0.4 |  |  |  |  |  |  |
Estimated reduction in benefit obligation |  |  |  |  |  |  |  |  |  |  | $ 47,100
Pension benefit obligation (in percent) |  |  |  |  |  |  |  |  |  |  | 35.00%
Accumulated benefit obligation |  |  | $ 75,700 |  |  |  |  | $ 75,700 | $ 137,700 |  |

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