Document and Entity Information - USD ($) $ in Millions	12 Months Ended
Document and Entity Information - USD ($) $ in Millions	Jan. 02, 2026	Mar. 10, 2026	Jul. 04, 2025
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2025
Current Fiscal Year End Date	--01-02
Entity Central Index Key	0001887944
Document Annual Report	true
Document Period End Date	Jan. 02, 2026
Document Transition Report	false
Entity File Number	001-41867
Entity Registrant Name	Shimmick Corporation
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	84-3749368
Entity Address, Address Line One	530 Technology Drive
Entity Address, Address Line Two	Suite 300
Entity Address, City or Town	Irvine
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	92618
City Area Code	833
Local Phone Number	723-2021
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	SHIM
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
ICFR Auditor Attestation Flag	false
Entity Shell Company	false
Entity Voluntary Filers	No
Document Financial Statement Error Correction	false
Entity Well-known Seasoned Issuer	No
Entity Public Float			$ 13.1
Entity Common Stock, Shares Outstanding		36,091,730
Auditor Firm ID	34
Auditor Name	DELOITTE & TOUCHE LLP
Auditor Location	Denver, Colorado
Auditor Opinion [Text Block]	Opinion on the Financial Statements We have audited the accompanying consolidated balance sheets of Shimmick Corporation and subsidiaries (the "Company") as of January 2, 2026 and January 3, 2025, the related consolidated statements of operations, stockholders’ (deficit) equity, and cash flows, for each of the two years in the period ended January 2, 2026, and the related notes (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of January 2, 2026 and January 3, 2025, and the results of its operations and its cash flows for each of the two years in the period ended January 2, 2026, in conformity with accounting principles generally accepted in the United States of America.
Documents Incorporated by Reference	DOCUMENTS INCORPORATED BY REFERENCE Certain sections of the registrant's definitive Proxy Statement relating to the registrant's 2026 annual meeting of stockholders, which definitive Proxy Statement will be filed within 120 days of the end of the registrant's fiscal year, are incorporated by reference into Part III of this Annual Report on Form 10-K.

Shimmick Corp 10-K