Receivables (Schedule Of Receivables Based On Year Of Origination) (Details) (Emerald Advance lines of credit, USD $) In Thousands, unless otherwise specified	Jan. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	$ 450,145
Year Of Origination2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	415,081
Year Of Origination 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	7,295
Year Of Origination 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	1,006
Year Of Origination 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	1,912
Year Of Origination 2010 And Prior
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	6,199
Revolving Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	$ 18,652