CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
INTEREST INCOME
Loans	$ 107,227	$ 116,843
Mortgage-backed securities	19,368	11,732
Investment securities and cash equivalents	4,663	2,734
Investment Income, Interest and Dividend	131,258	131,309
INTEREST EXPENSE
Customer accounts	15,499	18,772
FHLB advances and other borrowings	17,447	17,103
Interest Expense	32,946	35,875
Net interest income	98,312	95,434
Provision (recovery) for loan losses	(4,600)	3,600
Net interest income after provision (recovery) for loan losses	102,912	91,834
OTHER INCOME	5,788	4,957
OTHER EXPENSE
Compensation and benefits	25,126	21,072
Occupancy	5,618	4,446
FDIC insurance premiums	2,934	3,342
Information technology	2,929	2,438
Amortization of intangible assets	820	354
Other	6,693	6,646
Noninterest Expense	44,120	38,298
Loss on real estate acquired through foreclosure, net	(1,951)	(3,319)
Income before income taxes	62,629	55,174
Income tax provision	22,393	19,892
NET INCOME	$ 40,236	$ 35,282
PER SHARE DATA
Basic earnings (in dollars per share)	$ 0.39	$ 0.33
Diluted earnings (in dollars per share)	$ 0.39	$ 0.33
Basic weighted average number of shares outstanding (in shares)	102,329,578	105,998,184
Diluted weighted average number of shares outstanding, including dilutive stock options (in shares)	102,813,154	106,043,914