Interest Income And Interest Expense (Schedule Of Interest Income And Expense Of Continuing Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jul. 31, 2014	Jul. 31, 2013
Schedule Of Interest Income And Expense [Line Items]
Interest Income	$ 9,299	$ 11,197
Interest expense	13,940	14,446
Mortgage Loans, Net
Schedule Of Interest Income And Expense [Line Items]
Interest Income	2,978	3,542
Loans to franchisees
Schedule Of Interest Income And Expense [Line Items]
Interest Income	2,071	2,289
AFS Securities
Schedule Of Interest Income And Expense [Line Items]
Interest Income	2,270	2,341
Other
Schedule Of Interest Income And Expense [Line Items]
Interest Income	1,980	3,025
Borrowings
Schedule Of Interest Income And Expense [Line Items]
Interest expense	13,795	13,803
Deposits
Schedule Of Interest Income And Expense [Line Items]
Interest expense	$ 145	$ 643