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v3.24.2.u1

NON-CONTROLLING INTERESTS - Weighted Average Ownership Percentages (Details) | 3 Months Ended | 6 Months Ended
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Jun. 26, 2024 | Jun. 28, 2023 | Jun. 26, 2024 | Jun. 28, 2023
Noncontrolling Interest [Abstract] |  |  |  |
Non-controlling interest holders' weighted average ownership percentages | 6.30% | 6.70% | 6.50% | 6.70%

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- Definition Noncontrolling Interest, Weighted Average Ownership Percentage + References No definition available. + Details
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Namespace Prefix: | shak_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_NoncontrollingInterestAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration