| Fiscal period | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
| Period End Date | 6/30/2025 | 6/30/2024 | 6/30/2023 | 6/30/2022 | 6/30/2021 | 6/30/2020 | 6/30/2019 | 6/30/2018 | 6/30/2017 | 6/30/2016 |
| Revenue | 8,627.82 | 7,659.83 | 6,702.55 | 6,202.92 | 6,044.14 | 5,720.04 | 4,986.34 | 4,467.86 | 4,354.62 | 3,744.05 |
| Total Revenues | 8,627.82 | 7,659.83 | 6,702.55 | 6,202.92 | 6,044.14 | 5,720.04 | 4,986.34 | 4,467.86 | 4,354.62 | 3,744.05 |
| Direct costs | 5,835.56 | 5,147.54 | 4,402.73 | 4,051.19 | 3,930.71 | 3,719.06 | 3,304.05 | 2,978.61 | 2,934.80 | 2,487.63 |
| Gross Profit | -- | -- | -- | -- | -- | -- | -- | 1,489.25 | 1,419.81 | 1,256.42 |
| Depreciation and amortization | 195.13 | 142.15 | 141.56 | 134.68 | 125.36 | 110.69 | 85.88 | 72.20 | 71.76 | 64.75 |
| Goodwill amortization | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Indirect costs and selling expenses | 1,832.96 | 1,720.44 | 1,590.75 | 1,520.72 | 1,448.61 | 1,432.60 | 1,218.54 | 1,076.36 | 1,050.79 | 926.92 |
| Total costs of revenue | 7,863.64 | 7,010.12 | 6,135.05 | 5,706.59 | 5,504.68 | 5,262.35 | 4,608.47 | 4,127.16 | 4,057.36 | 3,479.30 |
| Operating income (Loss) | 764.19 | 649.71 | 567.50 | 496.33 | 539.45 | 457.70 | 377.87 | 340.70 | 297.26 | 264.75 |
| Interest (income) expense, net | 158.84 | 105.06 | 83.86 | 41.76 | 39.84 | 56.06 | 49.96 | 42.04 | 48.64 | 41.14 |
| Interest income | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income (loss) before income taxes | 605.34 | 544.65 | 483.64 | 454.57 | 499.62 | 401.64 | 327.91 | 298.66 | 248.62 | 223.61 |
| Income taxes | 105.51 | 124.73 | 98.90 | 87.78 | 42.17 | 80.16 | 62.31 | (2.51) | 84.95 | 80.81 |
| Deferred: Federal | -- | -- | -- | -- | -- | -- | -- | (80.40) | 13.08 | 11.98 |
| Current- Foreign | -- | -- | -- | -- | -- | -- | -- | 5.34 | 4.04 | 3.34 |
| Deferred- Foreign | -- | -- | -- | -- | -- | -- | -- | (0.41) | (0.85) | (0.44) |
| Current- Federal | -- | -- | -- | -- | -- | -- | -- | 56.47 | 54.43 | 54.51 |
| Current- State and local | -- | -- | -- | -- | -- | -- | -- | 13.01 | 11.33 | 9.40 |
| Deferred: State and local | -- | -- | -- | -- | -- | -- | -- | 3.48 | 2.92 | 2.03 |
| Income from Continuing Operations | -- | -- | 384.74 | 366.79 | -- | -- | -- | 301.17 | -- | -- |
| Gain on disposal of COMNET products business including provision of $118 for ope | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income (loss) from operations from discontinued Marketing Systems Group (less ap | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Loss on disposal of Marketing Systems Group including provision of $284 for oper | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income before noncontrolling interest in earnings of joint venture | 499.83 | 419.92 | 384.74 | -- | 457.44 | -- | -- | -- | 163.67 | 142.80 |
| Noncontrolling interest in earnings of joint venture | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income attributable to CACI | 499.83 | 419.92 | 384.74 | 366.79 | 457.44 | 321.48 | 265.60 | 301.17 | 163.67 | 142.80 |
| Continuing Operations- (Basic) | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| EPS (Basic) : Disc Ops | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| (Loss) Gain on disposal | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings Per Share (Basic) | 22.47 | 18.76 | 16.59 | 15.64 | 18.52 | 12.84 | 10.70 | 12.23 | 6.71 | 5.89 |
| Continuing Operations- (Diluted) | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| EPS (Diluted) : Disc Ops | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| (Loss) Gain on disposal | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings Per Share (Diluted) | 22.32 | 18.60 | 16.43 | 15.49 | 18.30 | 12.61 | 10.46 | 11.93 | 6.53 | 5.76 |
| Weighted Average Shares Outstanding (Basic) | 22.25 | 22.38 | 23.20 | 23.45 | 24.71 | 25.03 | 24.83 | 24.62 | 24.40 | 24.26 |
| Weighted Average Shares Outstanding (Diluted) | 22.39 | 22.57 | 23.41 | 23.68 | 24.99 | 25.49 | 25.40 | 25.26 | 25.07 | 24.80 |