Cover - USD ($)	12 Months Ended
	Dec. 31, 2024	Feb. 20, 2025	Jun. 30, 2024
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2024
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	1-13792
Entity Registrant Name	Global Industrial Company
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	11-3262067
Entity Address, Address Line One	11 Harbor Park Drive
Entity Address, City or Town	Port Washington
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	11050
City Area Code	(516)
Local Phone Number	608-7000
Title of 12(b) Security	Common Stock, par value $ .01 per share
Trading Symbol	GIC
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Public Float			$ 412,267,153
Entity Common Stock, Shares Outstanding		38,311,253
Documents Incorporated by Reference	Portions of the Proxy Statement of Global Industrial Company relating to the Annual Meeting of Stockholders to be held in 2025 are incorporated by reference in Part III hereof.
Entity Central Index Key	0000945114
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	FY
Amendment Flag	false