Receivables (Schedule Of Short-Term Receivables) (Details) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2013	Apr. 30, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	$ 257,234	$ 238,447
Allowance for doubtful accounts	(50,399)	(44,589)
Receivables, net	206,835	193,858
Loans to franchisees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	65,413	61,252
Receivables for tax preparation and related fees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	47,658	56,846
CashBack receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	49,356	42,286
Emerald Advance lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	23,218	23,717
Royalties from franchisees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	7,733	0
Credit cards
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	10,722	5,781
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	$ 53,134	$ 48,565