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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income | $ 226,068 | $ 200,041 | $ 257,426
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation, amortization, accretion and other, net | 9,718 | 134,103 | 22,970
Stock-based compensation expense | 8,519 | 9,181 | 7,914
Provision (release) for credit losses | 7,750 | 17,500 | 41,500
Loss (gain) on sale of investment securities | (20) | (342) | (33)
Gain on settlements of bank owned life insurance | 0 | 0 | (821)
Impairment loss on premises and equipment | 992 | 0 | 6
Net realized (gain) loss on sales of premises, equipment and real estate owned | (419) | (2,555) | (1,153)
Decrease (increase) in accrued interest receivable | 4,238 | 9,873 | (23,131)
Decrease (increase) in federal and state income tax receivable | 6,124 | 18,751 | (6,650)
Decrease (increase) in cash surrender value of bank owned life insurance | (7,526) | (6,933) | (5,976)
Decrease (increase) in other assets | (27,885) | 148,001 | (67,342)
Increase (decrease) in federal and state income tax liabilities | 0 | 0 | (3,306)
Increase (decrease) in accrued expenses and other liabilities | 9,393 | (88,387) | (7,447)
Net cash provided by (used in) operating activities | 236,952 | 439,233 | 213,957
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |
Origination of loans and principal repayments, net | 973,280 | (348,528) | (1,330,399)
Loans purchased | (143,605) | 0 | (79,965)
FHLB & FRB stock purchase | (496,542) | (602,941) | (654,805)
FHLB & FRB stock redeemed | 504,092 | 669,975 | 623,058
Available-for-sale securities purchased | (1,482,058) | (549,159) | (376,481)
Principal payments and maturities of available-for-sale securities | 561,808 | 386,564 | 420,154
Proceeds from sales of available-for-sale investment securities | 797 | 182,682 | 1,169
Held-to-maturity securities purchased | (261,842) | (47,092) | 0
Principal payments and maturities of held-to-maturity securities | 53,030 | 36,013 | 39,414
Proceeds from sales of real estate owned | 2,865 | 6,802 | 7,192
Proceeds from settlements of bank owned life insurance | 0 | 0 | 1,809
Equity method investments purchased | (2,861) | (4,197) | (12,500)
Net cash received (paid) in business combinations | (360) | 623,583 | (2,590)
Proceeds from sales of loans | 0 | 2,956,856 | 0
Proceeds from sales of premises and equipment | 1,689 | 1,341 | 1,090
Premises and equipment purchased and REO improvements | (28,707) | (24,681) | (15,063)
Net cash provided by (used in) investing activities | (318,414) | 3,287,218 | (1,377,917)
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |
Net increase (decrease) in customer accounts | 63,666 | (324,506) | 40,759
Proceeds from borrowings | 11,019,793 | 17,037,035 | 17,175,000
Repayments of borrowings | (12,527,894) | (18,842,525) | (15,650,000)
Principal payments and maturities of senior debt | 0 | (95,000) | 0
Proceeds from stock-based awards | 3,943 | 5,187 | 1,089
Dividends paid on common stock | (84,639) | (74,267) | (63,792)
Dividends paid on preferred stock | (14,625) | (14,625) | (14,625)
Proceeds from employee stock purchase | 842 | 992 | 177
Treasury stock purchased | (101,931) | (27,069) | (30,463)
Increase (decrease) in advance payments by borrowers for taxes and insurance | (1,485) | 8,780 | 2,499
Net cash provided by (used by) financing activities | (1,642,330) | (2,325,998) | 1,460,644
Increase (decrease) in cash and cash equivalents | (1,723,792) | 1,400,453 | 296,684
Cash and cash equivalents at beginning of year | 2,381,102 | 980,649 | 683,965
Cash and cash equivalents at end of year | 657,310 | 2,381,102 | 980,649
Non-cash investing activities |  |  |
Real estate acquired through foreclosure | 5,873 | 681 | 121
Non-cash financing activities |  |  |
Preferred stock dividend payable | 3,656 | 3,656 | 3,656
Cash paid during the year for |  |  |
Interest | 746,932 | 739,076 | 364,386
Income taxes | 41,647 | 20,283 | 61,245
Summary of non-cash activities related to acquisitions |  |  |
Fair value of assets and intangibles acquired | 0 | 7,677,177 | 0
Fair value of liabilities assumed | 0 | (7,316,380) | 0
Net fair value of acquired assets (liabilities) | $ 0 | $ 360,797 | $ 0

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- Definition Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481830/320-10-45-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-11 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + Details
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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/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481830/320-10-45-11 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + Details
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- Definition Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481830/320-10-45-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-9 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-11 + Details
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- Definition The net cash inflow from (a) sales of loans held-for-investment, (b) sales of leases held-for-investment, and (c) both. Includes proceeds from securitizations of loans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + 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://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + Details
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- Definition The cash inflow from proceeds From Sales of Wholly Owned Real Estate and Real Estate Acquired in Settlement of Loans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-12 + Details
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- Definition The cash inflow associated with the amount received from the stock plan during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 + Details
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- Definition Amount of cash outflow for the payment of debt classified as other, maturing after one year or the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
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- Definition The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
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