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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Cash flows from operating activities: |  |
Net (loss) income | $ (28,247) | $ 18,568
Adjustments to reconcile net (loss) income to net cash provided by operations: |  |
Depreciation and amortization | 10,033 | 13,574
Provision for (benefit from) credit loss reserve | 3,626 | (418)
Stock-based compensation | 24,827 | 16,767
Non-cash interest expense | 910 | 2,595
Deferred tax (benefit) | (422) | (2,162)
Unrealized foreign currency transaction (gain) losses | (6,461) | 2,320
Other | (608) | 184
Changes in operating assets and liabilities: |  |
Accounts receivable | (14,836) | (3,557)
Prepaid expenses and other assets | 13,014 | (36,354)
Deferred costs | 2,559 | 2,896
Accounts payable | 7,864 | 6,293
Accrued expenses and other liabilities | 2,930 | (2,115)
Deferred revenue | (10,752) | (11,848)
Net cash provided by operating activities | 4,437 | 6,743
Cash flows from investing activities: |  |
Capital expenditures | (2,077) | (9,985)
Purchases of marketable securities | (11,045) | (13,115)
Sale and maturities of marketable securities | 15,900 | 16,453
Payments for equity investments |  | (584)
Other investing activities | (552) | 1,266
Net cash provided by (used in) investing activities | 2,226 | (5,965)
Cash flows from financing activities: |  |
Payments for long-term debt issuance costs | (403) |
Principal payments of long-term debt | (4,688) | (3,126)
Common stock repurchases for tax withholdings for net settlement of equity awards | (4,430) | (46,423)
Principal payment of lease liabilities arising from a finance lease | (316) | (246)
Proceeds from the issuance of common stock | 4,394 | 33,459
Net cash used in financing activities | (5,443) | (16,336)
Effects of exchange rate changes on cash and cash equivalents | (690) | (1,051)
Net change in cash and cash equivalents | 530 | (16,609)
Cash and cash equivalents at beginning of period | 94,847 | 128,428
Cash and cash equivalents at end of period | 95,377 | 111,819
Supplemental information: |  |
Cash paid for income taxes | 4,053 | 6,594
Cash paid for interest | $ 6,492 | $ 4,151

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