Receivables (Schedule Of Short-Term Receivables) (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2013	Apr. 30, 2013	Jul. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	$ 173,915	$ 257,234	$ 159,834
Allowance for doubtful accounts	(52,606)	(50,399)	(43,477)
Receivables, net	121,309	206,835	116,357
Loans to franchisees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	64,041	65,413	60,459
Canadian CashBack receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	37,547	49,356	35,194
Receivables for tax preparation and related fees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	2,412	47,658	6,601
Emerald Advance lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	22,649	23,218	24,215
Credit cards
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	4,070	10,722	2,096
Royalties from franchisees
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	7,309	7,733	0
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables, gross	$ 35,887	$ 53,134	$ 31,269