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Stock Repurchase Program
9 Months Ended
Sep. 30, 2011
Stock Repurchase Program [Abstract] 
Stock Repurchase Program
 
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Stock Repurchase Program
 
On September 26, 2011, the Company's Board of Directors approved a stock repurchase program. Under the program, CAI is authorized to repurchase up to one million shares of its outstanding common stock from time to time and at prices considered appropriate by the Company. The repurchase program may be suspended or discontinued at any time. As of September 30, 2011, the Company had not repurchased any of its outstanding common stock under this program.