Regulatory Capital Requirements (Tables)

12 Months Ended

Sep. 30, 2014

Regulatory Capital Requirements [Abstract]

Summary Of Capital And Total Risk-Based Capital Ratios

									To Be Well
									Capitalized
									Under Prompt
					For Capital				Corrective Action
	Actual				Adequacy Purposes				Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio
	(Dollars in thousands)
As of September 30, 2014
Tier 1 leverage ratio	$	1,299,365	13.2	%	$	394,945	4.0	%	$	493,682	5.0	%
Tier 1 risk-based capital	1,299,365		33.0		157,674		4.0		236,511		6.0
Total risk-based capital	1,308,592		33.2		315,348		8.0		394,185		10.0
As of September 30, 2013
Tier 1 leverage ratio	$	1,363,103	14.8	%	$	368,028	4.0	%	$	460,034	5.0	%
Tier 1 risk-based capital	1,363,103		35.6		153,015		4.0		229,523		6.0
Total risk-based capital	1,371,925		35.9		306,030		8.0		382,538		10.0