Share-based Compensation - Schedule of RSU Unrecognized Compensation Expense (Details) $ in Thousands |
12 Months Ended |
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Dec. 28, 2025
USD ($)
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| Restricted Stock Units (RSUs) | KK Australia | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Unrecognized Compensation Cost | $ 6 |
| Recognized Over a Weighted- Average Period of | 8 months 12 days |
| Restricted Stock Units (RSUs) | KK Mexico | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Unrecognized Compensation Cost | $ 10 |
| Recognized Over a Weighted- Average Period of | 8 months 12 days |
| Restricted Stock Units (RSUs) and Performance Stock Units (PSUs) | KKI | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Unrecognized Compensation Cost | $ 38,257 |
| Recognized Over a Weighted- Average Period of | 2 years 4 months 24 days |
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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