Receivables (Schedule Of Receivables Based On Year Of Origination) (Details) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	$ 34,455
2012 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	7,187
2011 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	6,260
2010 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	3,509
2009 And Prior [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	5,085
Revolving Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	$ 12,414