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Stock Repurchase Program
12 Months Ended
Sep. 30, 2012
Equity [Abstract]  
Stock Repurchase Program
Stock Repurchase Program
Our Board of Directors has authorized a stock repurchase of up to 12.0 million shares under a stock repurchase program that expires in January 2015. As of September 30, 2012, we remained authorized to repurchase up to an additional 7.1 million shares under this program.
We repurchased the following shares of common stock under the above-described repurchase program:
Year Ended September 30,
 
Shares Repurchased
 
Average Purchase Price
 
Total Amount
2012
 
28

 
$
46.78

 
$
1,301

2011
 
48

 
36.72

 
1,753

2010