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Valuation and Qualifying Accounts (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2010
Allowance for customer deductions [Member]
     
Valuation and Qualifying Accounts      
Valuation Allowances, Beginning Balance $ 1,796 $ 815 $ 1,253
Additions (1) 9,886 8,674 6,474
Deductions (2) 8,989 7,693 6,912
Valuation Allowances, Ending Balance 2,693 1,796 815
Allowance for doubtful accounts [Member]
     
Valuation and Qualifying Accounts      
Valuation Allowances, Beginning Balance 489 557 1,100
Additions (1) 130 91 127
Deductions (2) 91 159 670
Valuation Allowances, Ending Balance $ 528 $ 489 $ 557