| Schedule of Accounts Receivables and Unbilled Revenue, and Unbilled Services and Unearned Revenue |
Accounts receivable and unbilled revenue were as follows for the periods ended: | | | | | | | | | | | | | March 31,
2025
(As Restated) | June 30,
2025
(As Restated) | September 30,
2025
(As Restated) | | (in thousands) | | Accounts receivable (Billed services) | $ | 1,426,035 | | $ | 1,411,329 | | $ | 1,427,376 | | | Allowance for credit losses | (38,573) | | (44,074) | | (39,686) | | | Accounts receivable (net) | 1,387,462 | | 1,367,255 | | 1,387,690 | | | Unbilled revenue (Unbilled services) | 1,101,511 | | 1,173,021 | | 1,195,747 | | | Accounts receivable and unbilled revenue, net | $ | 2,488,973 | | $ | 2,540,276 | | $ | 2,583,437 | |
| | | | | | | | | | | | | March 31,
2024
(As Restated) | June 30,
2024
(As Restated) | September 30,
2024
(As Restated) | | (in thousands) | | Accounts receivable (Billed services) | $ | 1,737,822 | | $ | 1,608,774 | | $ | 1,431,581 | | | Allowance for credit losses | (35,303) | | (40,122) | | (35,501) | | | Accounts receivable (net) | 1,702,519 | | 1,568,652 | | 1,396,080 | | | Unbilled revenue (Unbilled services) | 949,567 | | 1,021,519 | | 1,118,860 | | | Accounts receivable and unbilled revenue, net | $ | 2,652,086 | | $ | 2,590,171 | | $ | 2,514,940 | |
| | | | | | | | | | | | | March 31,
2023
(As Restated) | June 30,
2023
(As Restated) | September 30,
2023
(As Restated) | | (in thousands) | | Accounts receivable (Billed services) | $ | 1,838,875 | | $ | 1,788,140 | | $ | 1,883,296 | | | Allowance for credit losses | (36,149) | | (29,029) | | (32,934) | | | Accounts receivable (net) | 1,802,726 | | 1,759,111 | | 1,850,362 | | | Unbilled revenue (Unbilled services) | 880,412 | | 902,321 | | 828,453 | | | Accounts receivable and unbilled revenue, net | $ | 2,683,138 | | $ | 2,661,432 | | $ | 2,678,815 | |
Unbilled services and unearned revenue or payments on account (contract assets and liabilities) were as follows for the periods ended: | | | | | | | | | | | | | | | | | March 31,
2025
(As Restated) | June 30,
2025
(As Restated) | September 30,
2025
(As Restated) | | | | (in thousands) | | Unbilled revenue (Unbilled services) | $ | 1,101,511 | | $ | 1,173,021 | | $ | 1,195,747 | | | | | | | Unearned revenue (Payments on account ) | (1,495,847) | | (1,515,422) | | (1,546,887) | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | March 31,
2024
(As Restated) | June 30,
2024
(As Restated) | September 30,
2024
(As Restated) | | | | (in thousands) | | Unbilled revenue (Unbilled services) | $ | 949,567 | | $ | 1,021,519 | | $ | 1,118,860 | | | | | | | Unearned revenue (Payments on account ) | (1,585,694) | | (1,544,275) | | (1,477,952) | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | March 31,
2023
(As Restated) | June 30,
2023
(As Restated) | September 30,
2023
(As Restated) | | | | (in thousands) | | Unbilled revenue (Unbilled services) | $ | 880,412 | | $ | 902,321 | | $ | 828,453 | | | | | | | Unearned revenue (Payments on account ) | (1,480,275) | | (1,493,403) | | (1,563,948) | | | | | | | | | | | | | |
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