v3.24.1.1.u2
COVER - shares
shares in Millions
3 Months Ended
Mar. 31, 2024
May 20, 2024
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2024  
Document Transition Report false  
Entity File Number 001-41704  
Entity Registrant Name FORTREA HOLDINGS INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 92-2796441  
Entity Address, Address Line One 8 Moore Drive  
Entity Address, City or Town Durham  
Entity Address, State or Province NC  
Entity Address, Postal Zip Code 27709  
City Area Code (480)  
Local Phone Number 295-7600  
Title of 12(b) Security Common Stock, $0.001 par value  
Trading Symbol FTRE  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   89.4
Amendment Flag false  
Entity Central Index Key 0001965040  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2024  
Current Fiscal Year End Date --12-31