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Income Taxes (Details Textuals) (USD $)
12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2009
Sep. 30, 2008
Oct. 01, 2007
Schedule of Equity Method Investments [Line Items]      
Dividends received $ 7,274,000$ 3,841,000$ 1,634,000  
Income Taxes (Textuals) [Abstract]      
Effective income tax rate35.20%35.30%35.80%35.00%  
Recognized liability on adoption 051,000106,000486,000106,000
Penalties and interest     8,600
Additional uncertain tax position   380,000  
Albemarle & Bond Holdings [Member]
      
Schedule of Equity Method Investments [Line Items]      
Dividends received 3,200,0002,300,0001,600,000  
Cash Converters International Limited [Member]
      
Schedule of Equity Method Investments [Line Items]      
Dividends received $ 4,100,000$ 1,500,000