Interest Income And Interest Expense (Schedule Of Interest Income And Expense Of Continuing Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2014	Oct. 31, 2013
Schedule Of Interest Income And Expense [Line Items]
Interest Expense, Debt	$ 13,843	$ 13,801	$ 27,638	$ 27,604
Interest Income	9,430	10,626	18,729	21,823
Interest expense	13,983	14,314	27,923	28,760
Mortgage Loans, Net
Schedule Of Interest Income And Expense [Line Items]
Interest Income	2,989	3,631	5,967	7,173
Loans to franchisees
Schedule Of Interest Income And Expense [Line Items]
Interest Income	1,890	2,384	3,961	4,673
AFS Securities
Schedule Of Interest Income And Expense [Line Items]
Interest Income	2,133	2,513	4,403	4,854
Other
Schedule Of Interest Income And Expense [Line Items]
Interest Income	2,418	2,098	4,398	5,123
Borrowings
Schedule Of Interest Income And Expense [Line Items]
Interest Expense, Debt	13,843	13,801	27,638	27,604
Deposits
Schedule Of Interest Income And Expense [Line Items]
Interest Expense, Deposits	$ 140	$ 513	$ 285	$ 1,156