Business and Summary of Significant Accounting Policies (Details) |
1 Months Ended | 12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
May 31, 2011 |
Sep. 30, 2011
Y
segments
months
|
Sep. 30, 2011
Total Revenue
State and local government agencies
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Sep. 30, 2011
Total Revenue
Foreign customers
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Sep. 30, 2010
Total Revenue
Foreign customers
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Sep. 30, 2009
Total Revenue
Foreign customers
|
Sep. 30, 2011
Total Revenue
Federal government agencies
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Sep. 30, 2011
Total Revenue
Other sources, such as commercial customers
|
Sep. 30, 2011
Total Revenue
Performance-based contracts
|
Sep. 30, 2011
Total Revenue
Cost-plus contracts
|
Sep. 30, 2011
Total Revenue
Fixed-price contracts
|
Sep. 30, 2011
Total Revenue
Time and materials contracts
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| Description of Business | ||||||||||||
| Number of business segments | 2 | |||||||||||
| Stock Split | ||||||||||||
| Authorized stock split declared and distributed, number of shares per each share held | 2 | |||||||||||
| Number of shares received by stockholders for each share | 1 | |||||||||||
| Revenue Recognition | ||||||||||||
| Percentage of total revenue | 55.00% | 32.00% | 27.00% | 17.00% | 9.00% | 4.00% | 50.00% | 24.00% | 22.00% | 4.00% | ||
| Cash equivalents | ||||||||||||
| Maximum original maturity period of cash equivalents (in months) | 3 | |||||||||||
| X | ||||||||||
- Details
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| X | ||||||||||
- Definition Represents the maximum original maturity period during which the highly liquid investments are treated as cash equivalents.
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| X | ||||||||||
- Details
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| X | ||||||||||
- Definition The number of business segments of the entity.
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| X | ||||||||||
- Definition Number of shares issued to stockholders as a result of a stock split during the period for each share held by stockholders as of the record date.
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
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| X | ||||||||||
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Definition This item represents the conversion ratio used in the calculation of a stock split. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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