CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
INTEREST INCOME
Loans	$ 113,211	$ 109,274	$ 226,074	$ 217,567
Mortgage-backed securities	16,846	18,143	33,833	37,318
Investment securities and cash equivalents	5,006	5,213	10,280	11,029
Interest Income	135,063	132,630	270,187	265,914
INTEREST EXPENSE
Customer accounts	13,071	12,574	25,788	26,018
FHLB advances and other borrowings	15,667	16,176	31,205	33,832
Interest Expense	28,738	28,750	56,993	59,850
Net interest income	106,325	103,880	213,194	206,064
Provision for (release of) allowance for loan losses	(1,500)	(3,949)	(1,500)	(9,449)
Net interest income after provision for (release of) allowance for loan losses	107,825	107,829	214,694	215,513
OTHER INCOME
Loan fee income	1,166	2,048	2,683	4,112
Deposit fee income	5,350	5,405	11,267	11,383
Other income	4,213	3,388	7,414	726
Noninterest income	10,729	10,841	21,364	16,221
OTHER EXPENSE
Compensation and benefits	29,184	30,469	58,883	59,629
Occupancy	8,969	8,239	17,561	16,374
FDIC insurance premiums	2,785	2,380	5,374	3,055
Product delivery	4,294	5,420	9,817	11,047
Information technology	7,453	3,882	16,163	7,912
Other expense	6,541	6,934	15,937	12,909
Noninterest Expense	59,226	57,324	123,735	110,926
Gain on real estate owned, net	3,894	1,473	5,314	1,788
Income before income taxes	63,222	62,819	117,637	122,596
Income tax expense	21,499	22,458	40,816	43,828
NET INCOME	$ 41,723	$ 40,361	$ 76,821	$ 78,768
PER SHARE DATA
Basic earnings (in dollars per share)	$ 0.45	$ 0.42	$ 0.83	$ 0.81
Diluted earnings (in dollars per share)	0.45	0.42	0.83	0.81
Dividends paid on common stock (in dollars per share)	$ 0.14	$ 0.13	$ 0.27	$ 0.28
Basic weighted average number of shares outstanding (in shares)	91,777,771	96,373,366	92,385,367	97,270,403
Diluted weighted average number of shares outstanding, including dilutive stock options (in shares)	92,147,998	96,725,234	92,860,052	97,635,201