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v3.19.2

Business Overview (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2019 employee option contract market business_area location | Jun. 30, 2019 employee option contract market business_area location | Jun. 30, 2018
Concentration Risk [Line Items] |  |  |
Number of market focus areas | business_area | 3 | 3 |
Number of market leveraging core competencies | market | 7 | 7 |
Revenue concentration | Customer concentration | US Federal Government |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage |  | 100.00% |
Revenue concentration | Customer concentration | VA |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage |  | 65.00% | 64.00%
Number of contracts | 16 | 16 |
Revenue concentration | Customer concentration | VA | Pharmacy Services |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage |  | 58.00% |
Number of contracts | 9 | 9 |
Revenue concentration | Customer concentration | VA | Logistic Services |  |  |
Concentration Risk [Line Items] |  |  |
Number of contracts | 7 | 7 |
Revenue concentration | Customer concentration | HHS |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage |  | 33.00% | 34.00%
Revenue concentration | Customer concentration | Defense/VA |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage |  | 66.00% |
Revenue concentration | Customer concentration | Human Services and Solutions |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage |  | 28.00% |
Revenue concentration | Customer concentration | Public Health/Life Sciences |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage |  | 6.00% |
Revenue concentration | Customer concentration | Head Start Program |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage |  | 27.00% | 32.00%
Revenue concentration | Customer concentration | Head Start Program | Time and materials |  |  |
Concentration Risk [Line Items] |  |  |
Government contract, number of option periods | option | 4 | 4 |
Government contract, term of award |  | 5 years |
Revenue concentration | Revenue from Rights Concentration Risk | Prime |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 95.00% |  |
Revenue concentration | Revenue from Rights Concentration Risk | Subcontractor |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 5.00% |  |
UNITED STATES |  |  |
Concentration Risk [Line Items] |  |  |
Number of employees | employee | 1,900 | 1,900 |
Number of locations in which entity operates | location | 30 | 30 |

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