Gulf Island Fabrication, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

Acquisition - Additional Information (Details)

v3.25.3

Acquisition - Additional Information (Details) - USD ($) $ in Millions					3 Months Ended	6 Months Ended	9 Months Ended
	Jun. 16, 2025	May 12, 2025	Apr. 15, 2025	Mar. 05, 2025	Sep. 30, 2025	Jun. 30, 2025	Sep. 30, 2025	Apr. 10, 2025	Mar. 31, 2025
Asset Acquisition [Line Items]
Bankruptcy proceedings, court where petition was filed							U.S. Bankruptcy Court for the Southern District of Texas, Houston Division
Bankruptcy proceedings, date petition for bankruptcy filed							Mar. 05, 2025
ENGlobal Corporation
Asset Acquisition [Line Items]
Principal payments						$ 3.5
Senior secured loan								$ 2.4
ENGlobal Corporation \| DIP Credit Agreement
Asset Acquisition [Line Items]
Maximum borrowing capacity				$ 3.5
Loan accrues interest rate				12.00%
Increase in loan default rate per annum				4.00%
Principal payments						2.3			$ 1.2
Alliance 2000, Ltd.
Asset Acquisition [Line Items]
Cash payment						$ 1.5
ENGlobal Business
Asset Acquisition [Line Items]
Business consideration transferred, assumption of certain liabilities							$ 3.5
Charge for reserve against the full amount of the Alliance Payment							1.5
Transaction and related costs							0.5
ENGlobal Business \| Asset Purchase Agreement
Asset Acquisition [Line Items]
Asset purchase agreement date			Apr. 15, 2025
Automation Business In Englobal Business
Asset Acquisition [Line Items]
Asset purchase agreement date		May 12, 2025
Engineering and Government Business In Englobal Business
Asset Acquisition [Line Items]
Asset purchase agreement date	Jun. 16, 2025
Englobal Acquisition
Asset Acquisition [Line Items]
Transaction costs					$ 0.1		$ 0.6

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