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, 2013	Jul. 31, 2012
Schedule Of Interest Income And Expense [Line Items]
Interest Income	$ 11,197	$ 9,873
Interest expense	14,446	22,077
Mortgage Loans, Net
Schedule Of Interest Income And Expense [Line Items]
Interest Income	3,542	4,417
Loans to franchisees
Schedule Of Interest Income And Expense [Line Items]
Interest Income	2,289	2,355
AFS Securities
Schedule Of Interest Income And Expense [Line Items]
Interest Income	2,341	1,639
Credit cards
Schedule Of Interest Income And Expense [Line Items]
Interest Income	1,228	0
Other
Schedule Of Interest Income And Expense [Line Items]
Interest Income	1,797	1,462
Borrowings
Schedule Of Interest Income And Expense [Line Items]
Interest expense	13,803	20,754
Deposits
Schedule Of Interest Income And Expense [Line Items]
Interest expense	$ 643	$ 1,323