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Note 8 - Receivables, Net | 9 Months Ended
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Sep. 30, 2021
Notes to Financial Statements |
Financing Receivables [Text Block] | 8. Receivables, net Receivables include billed and unbilled amounts for services provided to clients for which we have an unconditional right to payment as of the end of the applicable period and do not bear interest. The following table presents major categories of receivables:
(in thousands) |  |  | September 30, 2021 |  |  |  | December 31, 2020 |  |  |  | September 30, 2020 |
Contracts completed and in progress: |  |  |  |  |  |  |  |  |  |  |  |
Billed |  | $ | 278,313 |  |  | $ | 293,376 |  |  | $ | 355,293 |
Unbilled |  |  | 217,534 |  |  |  | 148,159 |  |  |  | 167,311 |
Total contracts completed and in progress |  |  | 495,847 |  |  |  | 441,535 |  |  |  | 522,604 |
Material sales |  |  | 80,357 |  |  |  | 49,991 |  |  |  | 70,918 |
Other |  |  | 110,302 |  |  |  | 52,736 |  |  |  | 71,691 |
Total gross receivables |  |  | 686,506 |  |  |  | 544,262 |  |  |  | 665,213 |
Less: allowance for credit losses |  |  | 1,684 |  |  |  | 3,450 |  |  |  | 3,265 |
Total net receivables |  | $ | 684,822 |  |  | $ | 540,812 |  |  | $ | 661,948 |
Included in other receivables at September 30, 2021, December 31, 2020 and September 30, 2020, were items such as estimated recovery from insurance receivable, notes receivable and income tax refunds. Other than the $63.0 million insurance receivable related to the settlement discussed in Note 16 included in the September 30, 2021 balance, no other receivables individually exceeded 5% of total net receivables at any of these dates.

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