Securities (Tables)

3 Months Ended

Dec. 31, 2011

Securities [Abstract]

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

	December 31, 2011
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
	(Dollars in thousands)
AFS:
GSE debentures	$	879,175	$	3,264	$	111	$	882,328
Municipal bonds		2,450		117		--		2,567
Trust preferred securities		3,547		--		545		3,002
MBS		643,019		39,814		--		682,833
		1,528,191		43,195		656		1,570,730
HTM:
GSE debentures		349,922		1,498		--		351,420
Municipal bonds		56,643		2,130		--		58,773
MBS		1,722,852		61,092		193		1,783,751
		2,129,417		64,720		193		2,193,944
	$	3,657,608	$	107,915	$	849	$	3,764,674
	September 30, 2011
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
	(Dollars in thousands)
AFS:
GSE debentures	$	746,545	$	1,996	$	233	$	748,308
Municipal bonds		2,628		126		--		2,754
Trust preferred securities		3,681		--		740		2,941
MBS		690,675		41,764		3		732,436
		1,443,529		43,886		976		1,486,439
HTM:
GSE debentures		633,483		3,171		--		636,654
Municipal bonds		56,994		2,190		4		59,180
MBS		1,679,640		59,071		153		1,738,558
		2,370,117		64,432		157		2,434,392
	$	3,813,646	$	108,318	$	1,133	$	3,920,831

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

	December 31, 2011
	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		3	$	56,712	$	111		--	$	--	$	--
Trust preferred securities		--		--		--		1		3,002		545
MBS		--		--		--		--		--		--
		3	$	56,712	$	111		1	$	3,002	$	545
HTM:
GSE debentures		--	$	--	$	--		--	$	--	$	--
Municipal bonds		--		--		--		--		--		--
MBS		1		24,356		193		--		--		--
		1	$	24,356	$	193		--	$	--	$	--
	September 30, 2011
	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		7	$	230,848	$	233		--	$	--	$	--
Trust preferred securities		--		--		--		1		2,941		740
MBS		5		1,189		3		--		--		--
		12	$	232,037	$	236		1	$	2,941	$	740
HTM:
GSE debentures		--	$	--	$	--		--	$	--	$	--
Municipal bonds		2		615		4		--		--		--
MBS		1		25,142		153		--		--		--
		3	$	25,757	$	157		--	$	--	$	--

Schedule Of Contractual Maturities

	AFS				HTM
			Estimated				Estimated
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
	(Dollars in thousands)
One year or less	$	271,316	$	271,821	$	2,429	$	2,445
One year through five years		585,866		588,643		381,204		383,871
Five years through ten years		170,854		182,375		452,046		470,494
Ten years and thereafter		500,155		527,891		1,293,738		1,337,134
	$	1,528,191	$	1,570,730	$	2,129,417	$	2,193,944

Carrying Value Of Mortgage Backed Securities In Portfolio

	December 31, 2011		September 30, 2011
	(Dollars in thousands)
Federal National Mortgage Association ("FNMA")	$	1,346,180	$	1,384,396
Federal Home Loan Mortgage Corporation ("FHLMC")		859,644		823,728
Government National Mortgage Association		198,505		202,340
Private Issuer		1,356		1,612
	$	2,405,685	$	2,412,076

Schedule Of Taxable And Non-taxable Components Of Interest Income

	For the Three Months Ended
	December 31,
	2011		2010
	(Dollars in thousands)
Taxable	$	4,196	$	4,271
Non-taxable		441		504
	$	4,637	$	4,775

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

	December 31, 2011				September 30, 2011
			Estimated				Estimated
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
	(Dollars in thousands)
Repurchase agreements	$	408,804	$	429,311	$	571,016	$	597,286
Retail deposits		--		--		44,429		44,991
Public unit deposits		126,161		133,683		116,472		124,785
Federal Reserve Bank		61,486		63,752		26,666		27,939
	$	596,451	$	626,746	$	758,583	$	795,001