v3.26.3
Accounts receivable, unbilled revenue (contract assets) and unearned revenue or payments on account (contract liabilities) (Tables)
 9 Months Ended
Sep. 30, 2026
Revenue from Contract with Customer [Abstract]  
Schedule of Accounts Receivables and Unbilled Revenue, and Unbilled Services and Unearned Revenue
Accounts receivables and unbilled revenue are as follows:
September 30,
2026		December 31,
2025
(in thousands)
Accounts receivable (Billed services)$1,550,525 $1,517,217 
Allowance for credit losses(40,480)(42,319)
Accounts receivable net1,510,045 1,474,898 
Unbilled revenue (Unbilled services)1,023,170 1,096,592 
Accounts receivable and unbilled revenue, net$2,533,215 $2,571,490 
Unbilled services and unearned revenue or payments on account (contract assets and liabilities) were as follows:
September 30,
2026		December 31,
2025		$ Change% Change
(in thousands, except percentages)
Unbilled revenue (Unbilled services)$1,023,170 $1,096,592 $(73,422)(6.7)%
Unearned revenue (Payments on account)(1,727,355)(1,550,471)(176,884)11.4 %