Cover - shares	6 Months Ended
	Jun. 30, 2024	Jul. 26, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2024
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 ($.01 par value)
Trading Symbol	GIC
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		38,200,397
Entity Central Index Key	0000945114
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q2
Amendment Flag	false