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Revenue Recognition (Tables) | 3 Months Ended
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Dec. 31, 2022
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue |
Table 4.1: Revenue by Contract Type
| For the Three Months Ended
| December 31, 2022 |  | December 31, 2021
| (dollars in thousands)
Performance-based | $ | 569,217 |  |  | 45.6 | % |  | $ | 490,956 |  |  | 42.7 | %
Cost-plus | 347,319 |  |  | 27.8 | % |  | 340,081 |  |  | 29.5 | %
Fixed price | 175,073 |  |  | 14.0 | % |  | 151,505 |  |  | 13.2 | %
Time and materials | 157,637 |  |  | 12.6 | % |  | 168,334 |  |  | 14.6 | %
Total revenue | $ | 1,249,246 |  |  |  |  | $ | 1,150,876 |  |  |
Table 4.2: Revenue by Customer Type
| For the Three Months Ended
| December 31, 2022 |  | December 31, 2021
| (dollars in thousands)
U. S. federal government agencies | $ | 603,918 |  |  | 48.3 | % |  | $ | 564,094 |  |  | 49.0 | %
U.S. state government agencies | 437,362 |  |  | 35.0 | % |  | 371,547 |  |  | 32.3 | %
International government agencies | 181,760 |  |  | 14.5 | % |  | 171,375 |  |  | 14.9 | %
Other, including local municipalities and commercial customers | 26,206 |  |  | 2.1 | % |  | 43,860 |  |  | 3.8 | %
Total revenue | $ | 1,249,246 |  |  |  |  | $ | 1,150,876 |  |  |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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