XML 131 R111.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stockholders' Equity (Equity Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
2010 Authorization [Member]
      
Authorized repurchase amount $ 200,000    
Repurchase period in years 3 years    
Purchases of treasury stock 45,754 44,110 6,837
Purchases of treasury stock, number of shares 1,233 1,132 208
2013 Authorization [Member]
      
Authorized repurchase amount $ 200,000    
Repurchase period in years 3 years    
Purchases of treasury stock, number of shares 0