v3.25.2
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Operating Activities:    
Net income $ 129,327 $ 103,796
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation 5,215 5,074
Stock-based compensation 3,675 3,820
Unrealized mark-to-market gain on derivative contracts (433) (113)
Bad debt (recovery) expense, net (149) 294
Deferred income taxes (2,847) (148)
Changes in operating assets and liabilities:    
Accounts receivable, net 2,747 33,099
Contract assets and liabilities, net (18,381) (27,304)
Inventories (2,728) (21,254)
Income taxes (2,543) 1,037
Prepaid expenses and other current assets 1,051 (374)
Accounts payable (7,513) 22,415
Accrued liabilities (2,216) (4,337)
Other, net 1,657 (1,353)
Net cash provided by operating activities 106,862 114,652
Investing Activities:    
Purchases of short-term investments (37,262) (27,537)
Maturities of short-term investments 44,407 18,312
Purchases of property, plant and equipment (11,380) (3,527)
Purchase of intangible assets 0 (250)
Proceeds from sale of property, plant and equipment 20 26
Net cash used in investing activities (4,215) (12,976)
Financing Activities:    
Shares withheld in lieu of employee tax withholding (12,030) (6,476)
Dividends paid (9,640) (9,475)
Net cash used in financing activities (21,670) (15,951)
Net increase in cash and cash equivalents 80,977 85,725
Effect of exchange rate changes on cash and cash equivalents 2,158 412
Cash and cash equivalents at beginning of period 315,331 245,875
Cash and cash equivalents at end of period $ 398,466 $ 332,012