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v3.25.2

Business Segments (Tables) | 9 Months Ended
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Jun. 30, 2025
Segment Reporting [Abstract] |
Schedule of Financial Information for each of the Company's Business Segments |
Table 3.1: Results of Operations by Business Segment
| For the Three Months Ended |  | For the Nine Months Ended
| June 30, 2025 |  | June 30, 2024 |  | June 30, 2025 |  | June 30, 2024
| Amount |  | % (1) |  | Amount |  | % (1) |  | Amount |  | % (1) |  | Amount |  | % (1)
| (dollars in thousands)
Revenue: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Federal Services | $ | 761,174 |  |  |  |  | $ | 683,347 |  |  |  |  | $ | 2,319,756 |  |  |  |  | $ | 2,062,127 |  |  |
U.S. Services | 439,818 |  |  |  |  | 472,298 |  |  |  |  | 1,334,418 |  |  |  |  | 1,448,258 |  |  |
Outside the U.S. | 147,408 |  |  |  |  | 159,284 |  |  |  |  | 458,687 |  |  |  |  | 479,942 |  |  |
Revenue | $ | 1,348,400 |  |  |  |  | $ | 1,314,929 |  |  |  |  | $ | 4,112,861 |  |  |  |  | $ | 3,990,327 |  |  |
Gross profit: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Federal Services | $ | 226,134 |  |  | 29.7 | % |  | $ | 186,075 |  |  | 27.2 | % |  | $ | 601,507 |  |  | 25.9 | % |  | $ | 506,074 |  |  | 24.5 | %
U.S. Services | 105,932 |  |  | 24.1 | % |  | 121,012 |  |  | 25.6 | % |  | 312,706 |  |  | 23.4 | % |  | 369,497 |  |  | 25.5 | %
Outside the U.S. | 27,447 |  |  | 18.6 | % |  | 25,227 |  |  | 15.8 | % |  | 85,678 |  |  | 18.7 | % |  | 74,386 |  |  | 15.5 | %
Gross profit | $ | 359,513 |  |  | 26.7 | % |  | $ | 332,314 |  |  | 25.3 | % |  | $ | 999,891 |  |  | 24.3 | % |  | $ | 949,957 |  |  | 23.8 | %
Selling, general, and administrative expenses: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Federal Services | $ | 88,272 |  |  | 11.6 | % |  | $ | 79,949 |  |  | 11.7 | % |  | $ | 245,563 |  |  | 10.6 | % |  | $ | 247,671 |  |  | 12.0 | %
U.S. Services | 60,975 |  |  | 13.9 | % |  | 59,531 |  |  | 12.6 | % |  | 173,096 |  |  | 13.0 | % |  | 174,032 |  |  | 12.0 | %
Outside the U.S. | 21,507 |  |  | 14.6 | % |  | 26,647 |  |  | 16.7 | % |  | 66,822 |  |  | 14.6 | % |  | 75,249 |  |  | 15.7 | %
Divestiture-related charges (2) | — |  |  | NM |  | — |  |  | NM |  | 39,343 |  |  | NM |  | 1,018 |  |  | NM
Other (3) | 77 |  |  | NM |  | 906 |  |  | NM |  | 599 |  |  | NM |  | 6,712 |  |  | NM
Selling, general, and administrative expenses | $ | 170,831 |  |  | 12.7 | % |  | $ | 167,033 |  |  | 12.7 | % |  | $ | 525,423 |  |  | 12.8 | % |  | $ | 504,682 |  |  | 12.6 | %
Operating income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Federal Services | $ | 137,862 |  |  | 18.1 | % |  | $ | 106,126 |  |  | 15.5 | % |  | $ | 355,944 |  |  | 15.3 | % |  | $ | 258,403 |  |  | 12.5 | %
U.S. Services | 44,957 |  |  | 10.2 | % |  | 61,481 |  |  | 13.0 | % |  | 139,610 |  |  | 10.5 | % |  | 195,465 |  |  | 13.5 | %
Outside the U.S. | 5,940 |  |  | 4.0 | % |  | (1,420) |  |  | (0.9) | % |  | 18,856 |  |  | 4.1 | % |  | (863) |  |  | (0.2) | %
Amortization of intangible assets | (23,010) |  |  | NM |  | (23,542) |  |  | NM |  | (69,041) |  |  | NM |  | (68,532) |  |  | NM
Divestiture-related charges (2) | — |  |  | NM |  | — |  |  | NM |  | (39,343) |  |  | NM |  | (1,018) |  |  | NM
Other (3) | (77) |  |  | NM |  | (906) |  |  | NM |  | (599) |  |  | NM |  | (6,712) |  |  | NM
Operating income | $ | 165,672 |  |  | 12.3 | % |  | $ | 141,739 |  |  | 10.8 | % |  | $ | 405,427 |  |  | 9.9 | % |  | $ | 376,743 |  |  | 9.4 | %
(1)Percentage of respective revenue, as applicable. Percentages not considered meaningful are marked "NM." (2)During fiscal years 2025 and 2024, we have divested businesses from our Outside the U.S. Segment. See "Note 6. Divestitures" for additional information. (3)Other expenses include credits and costs that are not allocated to a particular segment.

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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