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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
Operating Activities: |  |  |
Net income | $ 631 | $ 16,660 | $ 9,890
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |  |
Depreciation and amortization | 10,335 | 10,538 | 12,032
Stock-based compensation | 2,583 | 3,474 | 3,839
Bad debt expense | 48 | 258 | 233
Deferred income taxes | (995) | 1,473 | 820
Gain on cash surrender value of life insurance | 0 | (506) | 0
Changes in operating assets and liabilities: |  |  |
Accounts receivable, net | (7,509) | 41,969 | (20,193)
Contract assets and liabilities, net | (39,951) | 12,546 | 55,333
Inventories | (599) | 304 | (7,989)
Income taxes | (473) | 720 | 6,681
Prepaid expenses and other current assets | 412 | 662 | (2,626)
Accounts payable | 9,760 | (15,309) | 9,550
Accrued liabilities | (3,151) | 465 | 1,419
Other, net | (1,552) | (860) | (230)
Net cash provided by (used in) operating activities | (30,461) | 72,394 | 68,759
Investing Activities: |  |  |
Purchases of short-term investments | (27,735) | (18,553) | (5,869)
Maturities of short-term investments | 27,688 | 6,146 | 13,088
Purchases of property, plant and equipment, net | (2,891) | (5,130) | (4,255)
Proceeds from life insurance policy | 474 | 0 | 0
Net cash provided by (used in) investing activities | (2,464) | (17,537) | 2,964
Financing Activities: |  |  |
Payments on industrial development revenue bonds | (400) | (400) | (400)
Shares withheld in lieu of employee tax withholding | (632) | (629) | (1,454)
Dividends paid | (12,142) | (12,066) | (11,998)
Net cash used in financing activities | (13,174) | (13,095) | (13,852)
Net increase (decrease) in cash, cash equivalents and restricted cash | (46,099) | 41,762 | 57,871
Effect of exchange rate changes on cash, cash equivalents and restricted cash | 197 | (185) | (957)
Cash, cash equivalents and restricted cash at beginning of period | 160,216 | 118,639 | 61,725
Cash, cash equivalents and restricted cash at end of period | $ 114,314 | $ 160,216 | $ 118,639

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