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Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Accounting Policies [Abstract]        
Gross Billings From Agency Contracts $ 90,873 $ 101,376 $ 246,866 $ 282,637
Commissions $ 4,555 $ 6,470 $ 12,699 $ 15,791
Sales Revenue Banfield [Member]
       
Product Information [Line Items]        
Sales Revenue Percentage 6.00% 6.00% 6.00% 6.00%
Sales Revenue Feeders [Member]
       
Product Information [Line Items]        
Sales Revenue Percentage 3.00% 3.00% 3.00% 3.00%