Summary Of Significant Accounting Policies (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Summary Of Significant Accounting Policies [Line Items]
Interest-bearing deposits held at the Federal Reserve Bank	$ 797.3	$ 98.7
Average daily balance of required reserves at the Federal Reserve Bank	$ 9.1	$ 9.0
FHLB borrowings threshold percentage of regulatory assets	40.00%
FHLB borrowings threshold percentage of regulatory assets, temporary increase	55.00%
Traditional Banking Offices [Member]
Summary Of Significant Accounting Policies [Line Items]
Number of Stores	37
In-Store Banking Offices [Member]
Summary Of Significant Accounting Policies [Line Items]
Number of Stores	10
Building [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life, years	39 years
Structural Building Components [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life, years	15 years
Maximum [Member] | Furniture, Fixtures And Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life, years	7 years
Maximum [Member] | Leasehold Improvements [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life, years	15 years
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Period of service required for ESOP eligibility	1 year
Employee age required for ESOP eligibility, years	21
Number of hours required for ESOP eligibility	1,000
Minimum [Member] | Furniture, Fixtures And Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life, years	3 years
Minimum [Member] | Leasehold Improvements [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life, years	3 years