COVER PAGE - USD ($)	12 Months Ended
	Dec. 27, 2023	Feb. 07, 2024	Jun. 28, 2023
Document Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 27, 2023
Current Fiscal Year End Date	--12-27
Document Transition Report	false
Entity File Number	001-36823
Entity Registrant Name	SHAKE SHACK INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	47-1941186
Entity Address, Address Line One	225 Varick Street
Entity Address, Address Line Two	Suite 301
Entity Address, City or Town	New York,
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10014
City Area Code	646
Local Phone Number	747-7200
Title of 12(b) Security	Class A Common Stock, par value $0.001
Trading Symbol	SHAK
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction	true
Document Financial Statement Restatement Recovery Analysis	false
Entity Shell Company	false
Entity Public Float			$ 2,867,855,352
Documents Incorporated by Reference	DOCUMENTS INCORPORATED BY REFERENCEPortions of the registrant’s definitive Proxy Statement for its 2024 Annual Meeting of Shareholders are incorporated by reference into Part III of this Form 10-K.
Amendment Flag	false
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Entity Central Index Key	0001620533
Class A Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		39,479,513
Class B Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		2,829,513