Receivables (Schedule Of Loans Receivable) (Details) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2013	Apr. 30, 2012
Emerald Advance lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	$ 23,218	$ 23,717
Long-term	9,819	13,007
Receivables, net	33,037	36,724
Loans to franchisees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	65,413	61,252
Long-term	103,047	109,837
Receivables, net	168,460	171,089
Receivables for tax preparation and related fees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	47,658	56,846
Long-term	0	0
Receivables, net	47,658	56,846
Royalties from franchisees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Short-term	7,733	0
Long-term	15,538	0
Receivables, net	$ 23,271	$ 0