Gain on insurance settlements (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 25, 2022 |
Dec. 26, 2021 |
Dec. 27, 2020 |
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| Gain on insurance settlements [Abstract] | |||
| Gain on insurance settlements | $ 0 | $ 0 | $ 1,000 |
| X | ||||||||||
- Definition Gain on insurance settlements [Abstract] No definition available.
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| X | ||||||||||
- Definition Amount of excess (deficiency) of insurance recovery over the loss incurred from an insured event. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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