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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) | 3 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net income | $ 51,670,000 | $ 41,246,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation, amortization, and accretion expense, net | 15,273,000 | 12,087,000
Stock based compensation expense | 1,012,000 | 2,745,000
Loss (gain) on sale of investment securities | 0 | (968,000)
Decrease (increase) in accrued interest receivable | (503,000) | (449,000)
Decrease (increase) in federal and state income tax receivable | 0 | 16,047,000
Decrease (increase) in cash surrender value of bank owned life insurance | (1,571,000) | (1,739,000)
Gain on bank owned life insurance | (2,416,000) | (649,000)
Net realized (gain) loss on sales of premises, equipment, and real estate owned | (241,000) | 657,000
Decrease (increase) in other assets | (7,715,000) | 14,153,000
Increase (decrease) in accrued expenses and other liabilities | 2,595,000 | (41,265,000)
Net cash provided by (used in) operating activities | 58,104,000 | 41,865,000
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Origination of loans and principal repayments, net | (80,089,000) | (226,080,000)
Loans purchased | (143,605,000) | 0
FHLB & FRB stock purchased | (123,600,000) | (9,000)
FHLB & FRB stock redeemed | 116,000,000 | 24,000
Available-for-sale securities purchased | (40,884,000) | 0
Principal payments and maturities of available-for-sale securities | 58,261,000 | 112,469,000
Proceeds from sales of available-for-sale securities | 0 | 350,890,000
Held-to-maturity securities purchased | (170,836,000) | (415,729,000)
Principal payments and maturities of held-to-maturity securities | 50,653,000 | 78,778,000
Proceeds from sales of real estate owned | 3,440,000 | 6,457,000
Proceeds from settlement of bank owned life insurance | 3,484,000 | 1,231,000
Proceeds from sales of premises and equipment | 1,000 | 1,722,000
Premises and equipment purchased and REO improvements | (6,485,000) | (2,200,000)
Net cash provided by (used in) investing activities | (333,660,000) | (92,447,000)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Net increase (decrease) in customer accounts | 166,647,000 | 46,799,000
Proceeds from borrowings | 3,090,000,000 | 0
Repayments of borrowings | (2,900,000,000) | 0
Proceeds from exercise of common stock options and related tax benefit | 286,000 | 4,362,000
Dividends paid on common stock | (13,043,000) | (12,422,000)
Treasury stock purchased | (38,984,000) | (20,385,000)
Increase (decrease) in borrower advances related to taxes and insurance, net | (32,707,000) | (19,302,000)
Net cash provided by (used in) financing activities | 272,199,000 | (948,000)
Increase (decrease) in cash and cash equivalents | (3,357,000) | (51,530,000)
Cash and cash equivalents at beginning of period | 313,070,000 | 450,368,000
Cash and cash equivalents at end of period | 309,713,000 | 398,838,000
Non-cash investing activities |  |
Real estate acquired through foreclosure | 773,000 | 1,589,000
Non-cash financing activities |  |
Stock issued upon exercise of warrants | 3,761,000 | 1,523,000
Cash paid during the period for |  |
Interest | 29,986,000 | 28,737,000
Income taxes | $ 5,225,000 | $ 0

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- Definition The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26853-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26853-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=96867065&loc=SL79508275-113901 + Details
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- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations. + References No definition available. + Details
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- Definition The fair value of stock issued in noncash financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586 + Details
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- Definition The noncash expense that accounts for the value of stock or unit options distributed to employees as compensation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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- Definition Cash Flow, Noncash Investing Disclosure [Abstract] + References No definition available. + Details
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- Definition Cash Paid During Period For [Abstract] + References No definition available. + Details
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- Definition Gain (Loss) on Settlement of Bank Owned Life Insurance + References No definition available. + Details
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- Definition Loans Originated Net of Principal Collections + References No definition available. + Details
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- Definition The amount of non-covered real estate investments acquired through foreclosure during the period. Title through foreclosure occurs in a legal proceeding in which a secured creditor obtains title typically be bidding the amount of debt owed to it after the borrower has defaulted on the debt instrument. + References No definition available. + Details
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- Definition Premises and Equipment Purchased and REO Improvements + References No definition available. + Details
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