v3.26.3
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
OPERATING ACTIVITIES:    
Net income $ 103,134 $ 103,726
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation, depletion, and amortization 19,425 18,492
Amortization of deferred financing costs 18 18
Deferred income taxes 13,495 (245)
Loss on disposition of property, plant, and equipment 12 584
Stock-based compensation 5,346 6,221
Changes in operating assets and liabilities:    
Trade receivables, net (18,117) (15,314)
Inventories (2,167) (995)
Prepaid expenses and other current assets 386 2,288
Other assets 95 164
Accounts payable and accrued expenses 1,756 4,534
Other liabilities (84) (67)
Net cash provided by operating activities 123,299 119,406
INVESTING ACTIVITIES:    
Purchase of property, plant, and equipment (50,221) (42,789)
Proceeds from sale of property, plant, and equipment 452 285
Net cash used in investing activities (49,769) (42,504)
FINANCING ACTIVITIES:    
Cash dividends paid (5,164) (5,155)
Proceeds from exercise of stock options 128 160
Purchase of treasury shares (370) (424)
Net cash used in financing activities (5,406) (5,419)
Net increase in cash and cash equivalents 68,124 71,483
Cash and cash equivalents at beginning of period 371,124 278,031
Cash and cash equivalents at end of period $ 439,248 $ 349,514