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Stock Repurchase Program (Details) (USD $)
In Millions, except Share data, unless otherwise specified
1 Months Ended 9 Months Ended
Nov. 30, 2011
Sep. 30, 2012
Stock Repurchase Program (Textual) [Abstract]    
Shares authorized to repurchase 5,000,000  
Stock repurchase period 2 years  
Number of shares repurchased   375,000
Cost of shares repurchased   $ 0.8