EMPLOYEE BENEFIT PLANS	12 Months Ended
Dec. 27, 2023
Compensation Related Costs [Abstract]
EMPLOYEE BENEFIT PLANS	EMPLOYEE BENEFIT PLANS Defined Contribution Plan Team members are eligible to participate in a defined contribution savings plan maintained by Shake Shack. The plan is funded by participant and employer contributions. Employer contributions are paid directly to the third-party trustee and are at the Company's discretion. Employer contributions are based on matching a portion of certain participants' contributions. The Company matches 100% of certain participants' contributions for the first 3% of eligible compensation contributed and 50% of contributions made in excess of 3% of eligible compensation up to 5% of eligible compensation. Employer contributions totaled $1,888, $1,553 and $1,337, respectively, for fiscal 2023, fiscal 2022 and fiscal 2021.

The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 710
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//710/tableOfContent

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 712
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 715
-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//718/tableOfContent

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