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Investments (Tables)
 12 Months Ended
Sep. 30, 2012
Investments [Abstract]  
Investment
Our total equity and cost method investment balances recorded as of September 30, 2012, and 2011, were as follows:
 
September 30,
 
2012
 
2011
Equity method investments
$
14,911

 
$
17,560

Cost method investments
50,710

 
33,866

     Total investments
$
65,621

 
$
51,426