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Significant Accounting Policies Significant Accounting Policies (Tables)
12 Months Ended
Sep. 30, 2011
Summary of Significant Accounting Policies [Abstract] 
Schedule of intangible assets
The balance of the Company's intangible assets was as follows, which includes the additional goodwill discussed above:

 
Goodwill
 
Servicing Rights Intangible
 
Core Deposit Intangible
 
Total
 
(In thousands)
 
 
 
 
 
 
 
 
Balance at September 30, 2009
$
251,653

 
$
2,469

 
$
2,675

 
$
256,797

Additions

 

 
3,064

 
3,064

Amortization

 
(694
)
 
(1,449
)
 
(2,143
)
Balance at September 30, 2010
251,653

 
1,775

 
4,290

 
257,718

Additions

 

 

 

Amortization

 
(529
)
 
(918
)
 
(1,447
)
Balance at September 30, 2011
$
251,653

 
$
1,246

 
$
3,372

 
$
256,271

Schedule of future amortization expense
The table below presents the estimated core deposit intangible asset amortization expense for the next five years:
Year End
 
Expense
(in thousands)
 
 
 
2012
 
$
918

2013
 
918

2014
 
918

2015
 
618

2016