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Common Stock Data (Tables) | 12 Months Ended
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Jun. 30, 2011
Common Stock Data |
Sales Price Of Common Stock Reported By New York Stock Exchange |
|  | 2011 |  |  | 2010 |
Quarter |  | High |  |  | Low |  |  | High |  |  | Low |
1 st |  | $ | 48.70 |  |  | $ | 40.00 |  |  | $ | 48.85 |  |  | $ | 42.00 |
2 nd |  | $ | 54.11 |  |  | $ | 43.61 |  |  | $ | 49.92 |  |  | $ | 44.65 |
3 rd |  | $ | 62.75 |  |  | $ | 50.91 |  |  | $ | 52.92 |  |  | $ | 45.36 |
4 th |  | $ | 64.40 |  |  | $ | 58.15 |  |  | $ | 51.93 |  |  | $ | 41.44 |

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Namespace Prefix: | caci
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration