Receivables (Schedule Of Receivables Based On Year Of Origination) (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2012
Emerald Advance Lines Of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	$ 458,718
Tax Client Receivables - RALs [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	6,847
Year Of Origination 2012 [Member] | Emerald Advance Lines Of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	410,648
Year Of Origination 2011 [Member] | Emerald Advance Lines Of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	21,913
Year Of Origination 2010 [Member] | Emerald Advance Lines Of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	4,848
Year Of Origination 2009 [Member] | Emerald Advance Lines Of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	4,866
Year Of Origination 2009 [Member] | Tax Client Receivables - RALs [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	2,034
Year Of Origination 2008 And Prior [Member] | Emerald Advance Lines Of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	2,045
Year Of Origination 2008 And Prior [Member] | Tax Client Receivables - RALs [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	4,813
Revolving Loans [Member] | Emerald Advance Lines Of Credit [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, Net	$ 14,398