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Employee Retirement Plans
6 Months Ended
Apr. 30, 2011
Employee Retirement Plans [Abstract]  
Employee Retirement Plans
5. Employee Retirement Plans
The Company has two unfunded supplemental retirement plans for certain employees. For the six-month and three-month periods ended April 30, 2011 and 2010, the Company recognized costs and made payments related to its supplemental retirement plans as follows (amounts in thousands):
                                 
    Six months ended April 30,     Three months ended April 30,  
    2011     2010     2011     2010  
Service cost
  $ 153     $ 121     $ 76     $ 60  
Interest cost
    645       694       323       347  
Amortization of prior service obligation
    347       614       173       307  
 
                       
Total costs
  $ 1,145     $ 1,429     $ 572     $ 714  
 
                       
Benefits paid
  $ 62     $ 62     $ 29     $ 28