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v3.21.2

Segment Reporting (Segment Reporting Information) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Revenues: |  |  |  |
Revenues | $ 974.9 | $ 831.9 | $ 1,881.9 | $ 1,697.3
Gross Profit: |  |  |  |
Total Gross Profit | 276.3 | 227.5 | 520.0 | 470.1
Operating Income (Loss): |  |  |  |
Total Operating Income | 87.9 | 69.1 | 155.3 | 133.8
Depreciation | 7.1 | 6.5 | 14.6 | 13.2
Amortization of intangible assets | 12.0 | 12.4 | 24.0 | 24.4
Commercial Business |  |  |  |
Revenues: |  |  |  |
Revenues | 712.5 | 592.2 | 1,361.7 | 1,244.9
Gross Profit: |  |  |  |
Total Gross Profit | 228.3 | 183.7 | 426.9 | 389.2
Operating Income (Loss): |  |  |  |
Total Operating Income | 89.6 | 65.3 | 160.1 | 134.9
Depreciation | 3.4 | 3.6 | 7.0 | 7.2
Amortization of intangible assets | 5.6 | 5.4 | 11.3 | 10.8
Federal Government Business |  |  |  |
Revenues: |  |  |  |
Revenues | 262.4 | 239.7 | 520.2 | 452.4
Gross Profit: |  |  |  |
Total Gross Profit | 48.0 | 43.8 | 93.1 | 80.9
Operating Income (Loss): |  |  |  |
Total Operating Income | 18.7 | 16.3 | 33.4 | 27.5
Depreciation | 2.2 | 1.9 | 4.6 | 4.1
Amortization of intangible assets | 6.4 | 7.0 | 12.7 | 13.6
Assignment | Commercial Business |  |  |  |
Revenues: |  |  |  |
Revenues | 568.1 | 506.9 | 1,099.8 | 1,070.0
Consulting | Commercial Business |  |  |  |
Revenues: |  |  |  |
Revenues | 144.4 | 85.3 | 261.9 | 174.9
Firm-fixed-price | Federal Government Business |  |  |  |
Revenues: |  |  |  |
Revenues | 62.0 | 63.5 | 122.6 | 120.5
Time and materials | Federal Government Business |  |  |  |
Revenues: |  |  |  |
Revenues | 100.2 | 81.4 | 190.9 | 153.8
Cost reimbursable | Federal Government Business |  |  |  |
Revenues: |  |  |  |
Revenues | $ 100.2 | $ 94.8 | $ 206.7 | $ 178.1

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