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v3.23.1

Commitments and Contingencies (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021
U.S. Department of Justice |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Increase in reserve | $ 226.0 |  |  |
Estimate of possible loss | 350.0 | $ 350.0 |  |
U.S. Department of Justice | Minimum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Estimate of possible loss |  |  |  | $ 350.0
U.S. Department of Justice | Maximum |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Estimate of possible loss |  |  |  | $ 378.0
Contracts with U.S. government agencies or other U.S. government contractors | Revenue Benchmark | Total U.S. government |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Concentration risk, percentage |  | 97.00% | 97.00% | 97.00%
Unfavorable Regulatory Action |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Liability for reductions and/or penalties from U.S Government audits | 326.7 | $ 326.7 | $ 290.4 |
Financial Standby Letter of Credit |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Guarantor obligations, carrying value | 6.1 | 6.1 | 8.4 |
Guarantor obligations, reduction to available borrowings |  | 1.3 | 1.0 |
Guarantor obligations, facility | 7.5 | 7.5 | 20.0 |
Guarantor obligations, available amount | $ 2.7 | $ 2.7 | $ 12.6 |

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