Interest Income And Interest Expense (Schedule Of Interest Income And Expense Of Continuing Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2015	Jul. 31, 2014
Schedule Of Interest Income And Expense [Line Items]
Interest Income	$ 8,378	$ 9,299
Interest expense on borrowings	8,575	13,795
Interest expense	8,711	13,940
Mortgage Loans, Net
Schedule Of Interest Income And Expense [Line Items]
Interest Income	2,812	2,978
Loans to franchisees
Schedule Of Interest Income And Expense [Line Items]
Interest Income	1,654	2,071
AFS Securities
Schedule Of Interest Income And Expense [Line Items]
Interest Income	2,058	2,270
Other
Schedule Of Interest Income And Expense [Line Items]
Interest Income	1,854	1,980
Borrowings
Schedule Of Interest Income And Expense [Line Items]
Interest expense on borrowings	8,575	13,795
Deposits
Schedule Of Interest Income And Expense [Line Items]
Interest Expense, Deposits	$ 136	$ 145