Securities (Tables)

6 Months Ended

Mar. 31, 2014

Securities [Abstract]

Amortized Cost, Estimated Fair Value, And Gross Unrealized Gains And Losses Of AFS And HTM Securities

	March 31, 2014
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
		(Dollars in thousands)
AFS:
GSE debentures	$	579,853	$	364	$	8,677	$	571,540
MBS		304,034		16,603		70		320,567
Trust preferred securities		2,539		--		170		2,369
Municipal bonds		1,117		30		--		1,147
		887,543		16,997		8,917		895,623
HTM:
MBS		1,684,571		32,599		18,531		1,698,639
Municipal bonds		35,712		769		36		36,445
		1,720,283		33,368		18,567		1,735,084
	$	2,607,826	$	50,365	$	27,484	$	2,630,707

	September 30, 2013
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
		(Dollars in thousands)
AFS:
GSE debentures	$	709,118	$	996	$	7,886	$	702,228
MBS		345,263		18,701		--		363,964
Trust preferred securities		2,594		--		171		2,423
Municipal bonds		1,308		44		--		1,352
		1,058,283		19,741		8,057		1,069,967
HTM:
MBS		1,683,744		39,878		16,984		1,706,638
Municipal bonds		34,279		943		14		35,208
		1,718,023		40,821		16,998		1,741,846
	$	2,776,306	$	60,562	$	25,055	$	2,811,813

Schedule Of Estimated Fair Value And Gross Unrealized Losses Of Securities In Continuous Unrealized Loss Position

	March 31, 2014
	Less Than					Equal to or Greater
	12 Months					Than 12 Months
		Estimated		Unrealized			Estimated		Unrealized
	Count	Fair Value		Losses		Count	Fair Value		Losses
	(Dollars in thousands)
AFS:
GSE debentures	20	$	457,820	$	7,467	2	$	37,941	$	1,210
MBS	1		10,191		70	--		--		--
Trust preferred securities	--		--		--	1		2,369		170
	21	$	468,011	$	7,537	3	$	40,310	$	1,380
HTM:
MBS	44	$	784,469	$	17,239	2	$	22,566	$	1,292
Municipal bonds	8		5,386		36	--		--		--
	52	$	789,855	$	17,275	2	$	22,566	$	1,292

	September 30, 2013
	Less Than					Equal to or Greater
	12 Months					Than 12 Months
		Estimated		Unrealized			Estimated		Unrealized
	Count	Fair Value		Losses		Count	Fair Value		Losses
	(Dollars in thousands)
AFS:
GSE debentures	19	$	426,482	$	7,213	1	$	24,327	$	673
Trust preferred securities	--		--		--	1		2,423		171
	19	$	426,482	$	7,213	2	$	26,750	$	844
HTM:
MBS	40	$	710,291	$	16,984	--	$	--	$	--
Municipal bonds	3		1,299		14	--		--		--
	43	$	711,590	$	16,998	--	$	--	$	--

Schedule Of Contractual Maturities

		AFS				HTM
			Estimated				Estimated
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
		(Dollars in thousands)
One year or less	$	201	$	204	$	7,225	$	7,296
One year through five years		531,332		525,271		70,001		73,335
Five years through ten years		142,417		146,593		491,727		490,835
Ten years and thereafter		213,593		223,555		1,151,330		1,163,618
	$	887,543	$	895,623	$	1,720,283	$	1,735,084

Carrying Value Of Mortgage-Backed Securities In Portfolio

	March 31, 2014		September 30, 2013
		(Dollars in thousands)
Federal National Mortgage Association (“FNMA”)	$	1,166,881	$	1,250,948
Federal Home Loan Mortgage Corporation (“FHLMC”)		666,209		629,216
Government National Mortgage Association		172,048		167,544
	$	2,005,138	$	2,047,708

Schedule Of Taxable And Non-taxable Components Of Interest Income

	For the Three Months Ended				For the Six Months Ended
	March 31,				March 31,
		2014		2013		2014		2013
	(Dollars in thousands)
Taxable	$	1,632	$	2,147	$	3,439	$	4,685
Non-taxable		237		310		496		637
	$	1,869	$	2,457	$	3,935	$	5,322

Schedule Of Amortized Cost And Estimated Fair Value Of Securities Pledged As Collateral

		March 31, 2014				September 30, 2013
			Estimated				Estimated
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
		(Dollars in thousands)
Repurchase agreements	$	345,697	$	356,488	$	353,648	$	364,593
Public unit deposits		273,769		274,775		272,016		274,917
Federal Reserve Bank		29,425		30,351		34,261		35,477
	$	648,891	$	661,614	$	659,925	$	674,987