XML 23 R57.htm IDEA: XBRL DOCUMENT v2.4.0.6
Employee Benefit Plans (Details Textual) (USD $)
 12 Months Ended
Oct. 31, 2012
BenefitPlans
RetirementPlans
Oct. 31, 2011
Oct. 31, 2010
Employee Benefit Plans (Textual) [Abstract]      
Number of defined contribution retirement plans 2    
Number of additional defined contribution retirement plans due to acquisition 3    
Total number of defined benefit plans 5    
Expenses incurred on defined contribution retirement plans $ 810,000 $ 733,000 $ 639,000
Expenses incurred on defined Benefit retirement plans $ 16,000 $ 35,000 $ 34,000