Premises And Equipment, Net (Summary Of The Carrying Value Of Banking Premises And Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 128,435	$ 127,496
Accumulated depreciation, property, plant and equipment	57,905	57,384
Property, plant and equipment, net	70,530	70,112
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	11,041	11,029
Building and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	76,029	73,199
Furniture, Fixtures and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 41,365	$ 43,268