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v3.21.2

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2019
Cash flows from operating activities: |  |  |
Net income | $ 16,588 | $ 27,464 | $ 47,580
Adjustments to reconcile net income to net cash flows provided by operating activities: |  |  |
Depreciation and amortization | 82,847 | 82,296 | 77,994
Stock compensation expense | 3,126 | 4,414 | 5,508
Loss on investments, net | 6,816 |  |
Deferred income taxes | 5,665 | 9,234 | 15,503
Amortization of deferred credits | (2,357) | (3,742) | (5,121)
Unfavorable lease liabilities |  |  | (5,718)
Amortization of debt discount and issuance costs and accretion of interest into long-term debt | 11,379 | 4,202 | 4,203
Loss (gain) on extinguishment of debt | (950) |  | 3,616
Loss (gain) on disposal of assets | 78 | 401 | (5)
Provision for obsolete expendable parts and supplies | 380 |  | 642
Lease termination | 4,508 |  | 9,540
Changes in assets and liabilities: |  |  |
Receivables | 10,545 | 9,368 | (9,275)
Expendable parts and supplies | (1,865) | (1,529) | (6,310)
Prepaid expenses and other operating assets and liabilities | (56) | (1,368) | (713)
Accounts payable | 7,861 | 3,418 | 12,119
Deferred heavy maintenance, net | (3,857) |  |
Deferred revenue | 10,742 | 23,758 |
Accrued expenses and other liabilities | (8,911) | 20,801 | 2,113
Change in operating lease right-of-use assets and liabilities | (9,668) | (4,055) |
Net cash provided by operating activities | 132,871 | 174,662 | 151,676
Cash flows from investing activities: |  |  |
Capital expenditures | (17,149) | (26,667) | (125,350)
Investments in equity securities | (10,000) |  |
Purchases of short-term investment securities |  |  | (14,884)
Sales of short-term investment securities |  |  | 34,961
Net returns (payments) on equipment & other deposits | (6,322) |  | 431
Net cash used in investing activities | (33,471) | (26,667) | (104,842)
Cash flows from financing activities: |  |  |
Proceeds from long-term debt | 195,000 | 23,000 | 171,658
Principal payments on long-term debt and finance leases | (271,033) | (138,289) | (244,087)
Payments of debt and warrant issuance costs | (1,326) | (1,780) | (5,680)
Debt prepayment costs |  |  | (1,672)
Proceeds from issuance of common stock under ESPP | 471 |  |
Stock issuance costs |  |  | 185
Repurchase of stock | (1,486) | (586) | (1,871)
Net cash used in financing activities | (78,374) | (117,655) | (81,467)
Net change in cash, cash equivalents and restricted cash | 21,026 | 30,340 | (34,633)
Cash, cash equivalents and restricted cash at beginning of period | 102,841 | 72,501 | 107,134
Cash, cash equivalents and restricted cash at end of period | 123,867 | 102,841 | 72,501
Supplemental cash flow information |  |  |
Cash paid for interest | 32,767 | 41,501 | 53,503
Cash paid for income taxes, net | 404 | 398 | 419
Operating lease payments in operating cash flows | 47,612 | 44,173 |
Supplemental disclosure of non-cash transactions |  |  |
Right-of-use assets obtained in exchange for lease liabilities | 4,309 | 145,054 |
Accrued capital expenditures | 439 | $ 61 | $ 179
Warrants received for entering into agreements with Archer Aviation Inc. ("Archer") | 21,964 |  |
Debt issuance cost related to loan agreement with U.S. Department of the Treasury | $ (1,887) |  |

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