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Pay vs Performance Disclosure - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021
Pay vs Performance Disclosure |  |  |  |
Pay vs Performance Disclosure, Table |
|  |  | Avg. Summary Compensation Table Total for Non-PEO NEOs(1) ($) | Avg. Compensation Actually Paid to Non-PEO NEOs(1)(3) ($) | Value of Initial Fixed $100 Investment Based On: |  |
Year | Summary Compensation Table Total for PEO(1) ($) | Compensation Actually Paid to PEO(1)(2) ($) | Total Shareholder Return (4) ($) | Peer Group Total Shareholder Return(4) ($) | Net Income ($, in millions) | Adjusted EPS (5) ($)
(a) | (b) | (c) | (d) | (e) | (f) | (g) | (h) | (i)
2024 | 10,180,914 |  | 15,951,517 |  | 3,004,577 |  | 3,039,479 |  | 144 |  | 165 |  | 306.9 |  | 6.11 |
2023 | 7,349,940 |  | 9,425,799 |  | 1,836,998 |  | 2,177,700 |  | 114 |  | 132 |  | 161.8 |  | 3.83 |
2022 | 6,286,385 |  | 808,795 |  | 1,525,980 |  | 510,074 |  | 87 |  | 114 |  | 203.8 |  | 4.37 |
2021 | 7,906,006 |  | 10,682,785 |  | 2,136,923 |  | 2,779,404 |  | 123 |  | 135 |  | 291.2 |  | 5.19 |
Company Selected Measure Name |  | Adjusted EPS |  |
Named Executive Officers, Footnote | The PEO and non-PEO NEOs for each year were:
| 2021 | 2022 | 2023 | 2024
PEO | Bruce Caswell | Bruce Caswell | Bruce Caswell | Bruce Caswell
NEO | Richard Nadeau | Richard Nadeau | David Mutryn | David Mutryn
NEO | Ilene Baylinson | David Mutryn | Ilene Baylinson | Ilene Baylinson
NEO | Thomas Romeo | Teresa Weipert | Teresa Weipert | Teresa Weipert
NEO | David Francis | David Francis | David Francis | John Martinez
NEO | Michelle Link |  |  | Michelle Link
Peer Group Issuers, Footnote | The Peer Group TSR represents TSR of the Company's peer group using the same peer group included in the Company's stock performance graph in Item 5 of the Annual Report on Form 10-K for fiscal year 2024 based upon an investment of $100 as of September 30, 2020. The S&P 400 Commercial and Professional Services index was used as the peer group for fiscal year 2024 in lieuof the prior peer group composed of Booz Allen Hamilton Holding Corp., CACI International Inc., Conduent, Inc., ICF International, Inc., Leidos Inc., and Science Applications International Corporation (SAIC) which had a Total Shareholder Return of $205.71 for 2024, $130.74 for 2023, $113.26 for 2022, and $110.72. The decision to align our peer group with an index was to ease administrative burden and better align with prevalent market practice. |  |  |
PEO Total Compensation Amount | $ 10,180,914 | $ 7,349,940 | $ 6,286,385 | $ 7,906,006
PEO Actually Paid Compensation Amount | $ 15,951,517 | 9,425,799 | 808,795 | 10,682,785
Adjustment To PEO Compensation, Footnote | Compensation Actually Paid reflects the exclusions and inclusions of certain amounts for the PEO as set forth below:
| PEO |
Calculation of Compensation Actually Paid | 2024 ($) |
SCT Total | 10,180,914 |  |
- Grant Date Fair Value of Option Awards and Stock Awards Granted in Fiscal Year | (6,303,063) |  |
+ Fair Value at Fiscal Year-End of Outstanding and Unvested Option Awards and Stock Awards Granted in Fiscal Year | 7,923,065 |  |
+ Change in Fair Value of Outstanding and Unvested Option Awards and Stock Awards Granted in Prior Fiscal Years | 2,669,023 |  |
+ Fair Value at Vesting of Option Awards and Stock Awards Granted in Fiscal Year That Vested During Fiscal Year | — |  |
+ Change in Fair Value as of Vesting Date of Option Awards and Stock Awards Granted in Prior Fiscal Years For Which Applicable Vesting Conditions Were Satisfied During Fiscal Year | 1,481,578 |  |
- Fair Value as of Prior Fiscal Year-End of Option Awards and Stock Awards Granted in Prior Fiscal Years That Failed to Meet Applicable Vesting Conditions During Fiscal Year | — |  |
Compensation Actually Paid | 15,951,517 |  |
Non-PEO NEO Average Total Compensation Amount | $ 3,004,577 | 1,836,998 | 1,525,980 | 2,136,923
Non-PEO NEO Average Compensation Actually Paid Amount | $ 3,039,479 | 2,177,700 | 510,074 | 2,779,404
Adjustment to Non-PEO NEO Compensation Footnote | Compensation Actually Paid reflects the exclusions and inclusions of certain amounts for the non-PEO NEOs as set forth below.
| NEO |
Calculation of Compensation Actually Paid | 2024 ($) |
SCT Total | 3,004,577 |  |
- Grant Date Fair Value of Option Awards and Stock Awards Granted in Fiscal Year | (1,287,616) |  |
+ Fair Value at Fiscal Year-End of Outstanding and Unvested Option Awards and Stock Awards Granted in Fiscal Year | 1,037,241 |  |
+ Change in Fair Value of Outstanding and Unvested Option Awards and Stock Awards Granted in Prior Fiscal Years | 188,462 |  |
+ Fair Value at Vesting of Option Awards and Stock Awards Granted in Fiscal Year That Vested During Fiscal Year | 180,012 |  |
+ Change in Fair Value as of Vesting Date of Option Awards and Stock Awards Granted in Prior Fiscal Years For Which Applicable Vesting Conditions Were Satisfied During Fiscal Year | 172,117 |  |
- Fair Value as of Prior Fiscal Year-End of Option Awards and Stock Awards Granted in Prior Fiscal Years That Failed to Meet Applicable Vesting Conditions During Fiscal Year | (255,314) |  |
Compensation Actually Paid | 3,039,479 |  |
Compensation Actually Paid vs. Total Shareholder Return |  |  |  |
Compensation Actually Paid vs. Net Income |  |  |  |
Compensation Actually Paid vs. Company Selected Measure |  |  |  |
Total Shareholder Return Vs Peer Group |  |  |  |
Tabular List, Table |
Financial Performance Measures
Adjusted EPS Growth
Adjusted Net Operating Income
Revenue
Adjusted Net Operating Margin %
Relative TSR
Total Shareholder Return Amount | $ 144 | 114 | 87 | 123
Peer Group Total Shareholder Return Amount | 165 | 132 | 114 | 135
Net Income (Loss) | $ 306,900,000 | $ 161,800,000 | $ 203,800,000 | $ 291,200,000
Company Selected Measure Amount | 6.11 | 3.83 | 4.37 | 5.19
PEO Name | Bruce Caswell | Bruce Caswell | Bruce Caswell | Bruce Caswell
Additional 402(v) Disclosure |  | The Company selected measure is Adjusted EPS. Adjusted EPS is defined as diluted earnings per share excluding the effect of the amortization of intangible assets and divestiture-related charges. A GAAP to Non-GAAP reconciliation for fiscal year 2021, 2022, 2023 and 2024 is included in Item 7 of the Annual Report on Form 10-K for fiscal year 2021,2022,2023, and 2024 |  |
PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | $ (6,303,063) |  |  |
PEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 7,923,065 |  |  |
PEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 2,669,023 |  |  |
PEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 0 |  |  |
PEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 1,481,578 |  |  |
PEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | $ 0 |  |  |
Non-PEO NEO | Measure:: 1 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Adjusted EPS Growth |  |  |
Non-PEO NEO | Measure:: 2 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Adjusted Net Operating Income |  |  |
Non-PEO NEO | Measure:: 3 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Revenue |  |  |
Non-PEO NEO | Measure:: 4 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Adjusted Net Operating Margin % |  |  |
Non-PEO NEO | Measure:: 5 |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Name | Relative TSR |  |  |
Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | $ (1,287,616) |  |  |
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 1,037,241 |  |  |
Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 188,462 |  |  |
Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 180,012 |  |  |
Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | 172,117 |  |  |
Non-PEO NEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year |  |  |  |
Pay vs Performance Disclosure |  |  |  |
Adjustment to Compensation, Amount | $ (255,314) |  |  |

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