Securities (Tables)

3 Months Ended

Dec. 31, 2012

Securities [Abstract]

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

	December 31, 2012
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
		(Dollars in thousands)
AFS:
GSE debentures	$	762,673	$	3,401	$	545	$	765,529
MBS		459,706		30,314		1		490,019
Trust preferred securities		2,900		--		436		2,464
Municipal bonds		1,312		68		--		1,380
		1,226,591		33,783		982		1,259,392
HTM:
MBS		1,834,168		71,384		1,123		1,904,429
Municipal bonds		43,067		1,549		6		44,610
GSE debentures		24,993		83		--		25,076
		1,902,228		73,016		1,129		1,974,115
	$	3,128,819	$	106,799	$	2,111	$	3,233,507

	September 30, 2012
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
		(Dollars in thousands)
AFS:
GSE debentures	$	857,409	$	4,317	$	2	$	861,724
MBS		505,169		35,137		--		540,306
Municipal bonds		2,435		81		--		2,516
Trust preferred securities		2,912		--		614		2,298
		1,367,925		39,535		616		1,406,844
HTM:
MBS		1,792,636		79,883		--		1,872,519
GSE debentures		49,977		247		--		50,224
Municipal bonds		45,334		1,822		--		47,156
		1,887,947		81,952		--		1,969,899
	$	3,255,872	$	121,487	$	616	$	3,376,743

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

	December 31, 2012
	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	6	$	138,605	$	545	--	$	--	$	--
MBS	1		37		1	--		--		--
Trust preferred securities	--		--		--	1		2,464		436
	7	$	138,642	$	546	1	$	2,464	$	436
HTM:
MBS	9	$	188,944	$	1,123	--	$	--	$	--
Municipal bonds	2		977		6	--		--		--
GSE debentures	--		--		--	--		--		--
	11	$	189,921	$	1,129	--	$	--	$	--

	September 30,  2012
	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	2	$	42,733	$	2	--	$	--	$	--
MBS	--		--		--	--		--		--
Trust preferred securities	--		--		--	1		2,298		614
	2	$	42,733	$	2	1	$	2,298	$	614
HTM:
MBS	--	$	--	$	--	--	$	--	$	--
Municipal bonds	--		--		--	--		--		--
GSE debentures	--		--		--	--		--		--
	--	$	--	$	--	--	$	--	$	--

Schedule Of Contractual Maturities

		AFS				HTM
			Estimated				Estimated
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
		(Dollars in thousands)
One year or less	$	191	$	195	$	5,136	$	5,181
One year through five years		639,588		643,338		54,557		55,836
Five years through ten years		267,606		278,305		390,391		404,936
Ten years and thereafter		319,206		337,554		1,452,144		1,508,162
	$	1,226,591	$	1,259,392	$	1,902,228	$	1,974,115

Carrying Value Of Mortgage Backed Securities In Portfolio

	December 31,  2012		September 30, 2012
		(Dollars in thousands)
Federal National Mortgage Association (“FNMA”)	$	1,358,418	$	1,324,293
Federal Home Loan Mortgage Corporation (“FHLMC”)		789,337		824,197
Government National Mortgage Association		176,124		183,778
Private Issuer		308		674
	$	2,324,187	$	2,332,942

Schedule Of Taxable And Non-taxable Components Of Interest Income

	For the Three Months Ended
	December 31,
		2012		2011
	(Dollars in thousands)
Taxable	$	2,539	$	4,196
Non-taxable		326		441
	$	2,865	$	4,637

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

		December 31,  2012				September 30, 2012
			Estimated				Estimated
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
		(Dollars in thousands)
Repurchase agreements	$	400,529	$	426,106	$	400,827	$	427,864
Public unit deposits		217,839		228,423		219,913		232,514
Federal Reserve Bank		45,952		48,053		49,472		52,122
	$	664,320	$	702,582	$	670,212	$	712,500