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RECEIVABLES, NET - Receivables by Category and Concentration (Details) $ in Thousands | Sep. 30, 2024 USD ($) Customer | Dec. 31, 2023 USD ($) Customer
--- | --- | ---
Current and long-term receivables balances |  |
Accounts receivable | $ 322,363 | $ 299,814
Unbilled accounts receivable | 243,951 | 193,963
Long-term receivables | 16,254 | 10,755
Total receivables | 582,568 | 504,532
Less allowance for doubtful accounts | (5,341) | (4,553)
Total receivables, net | $ 577,227 | $ 499,979
Number of Customers with Accounts Receivable and Installment Contract Receivable Balance Greater than Ten Percent of Balance | Customer | 0 | 0
Percentage of Company's Receivables Net and Installment Contract Receivables Net Attributable to Single Customer | 10.00% | 10.00%

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