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Property and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2011
Net Property and Equipment | As of December 31, 2011 and 2010, net property and equipment consisted of the following (in thousands):
|  |  | September 30, |  |  |  | September 30, |
|  | December 31, |
|  | 2011 |  |  | 2010 |
Computer and office equipment (1) |  | $ | 38,295 |  |  | $ | 34,788 |
Furniture and fixtures |  |  | 11,493 |  |  |  | 10,803 |
Leasehold improvements |  |  | 7,193 |  |  |  | 6,708 |
Vehicles and other |  |  | 106 |  |  |  | 306 |
|  |  | 57,087 |  |  |  | 52,605 |
Less: accumulated depreciation and amortization |  |  | (36,608 | ) |  |  | (34,066 | )
Property and equipment, net |  | $ | 20,479 |  |  | $ | 18,539 |
(1) | Includes $4.6 million and $4.2 million of computer and office equipment under capital lease for the years ended December 31, 2011 and 2010, respectively.

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- Definition Property and Equipment. + References No definition available. + Details
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Namespace Prefix: | aciw_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration