v3.26.1
BASIS OF FINANCIAL STATEMENT PRESENTATION (Details)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Sep. 30, 2025
USD ($)
Jun. 30, 2025
Mar. 31, 2025
USD ($)
Jun. 30, 2026
segment
country
Jun. 30, 2025
Dec. 31, 2025
Mar. 09, 2024
USD ($)
Concentration Risk [Line Items]                
Number of countries with primary office locations | country         5      
Number of operating segments | segment         1      
Number of reportable segments | segment         1      
Customer one | Accounts receivable and unbilled services | Customer concentration risk                
Concentration Risk [Line Items]                
Concentration risk, percentage         18.20%   18.30%  
Customer one | Revenue | Customer concentration risk                
Concentration Risk [Line Items]                
Concentration risk, percentage 16.80%   19.50%   17.00% 17.50%    
Discontinued operations, disposed of by sale | Enabling Services segment disposal                
Concentration Risk [Line Items]                
Discontinued operations, consideration               $ 340.0
Discontinued operations, consideration, cash               295.0
Discontinued operations, consideration, liability               $ 45.0
Milestone payment   $ 25.0   $ 20.0