Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Operating Activities
Net income	$ 61,478	$ 52,572
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	25,624	22,532
Amortization of debt issuance costs	32	31
Amortization of right of use assets	191	0
Provision for credit losses on accounts receivable, net of adjustments	300	0
Provision for excess and obsolete inventories	1,380	378
Share-based compensation	10,229	8,784
Gain on disposal of assets	(12)	(15)
Foreign currency transaction loss (gain)	42	(1)
Interest income on note receivable	(17)	(19)
Deferred	(563)	2,766
Changes in assets and liabilities:
Accounts receivable	(63,593)	(11,369)
Income tax receivable	3,782	2,588
Inventories	(47,998)	(22,712)
Contract assets	(3,843)	0
Prepaid expenses and other	(70)	937
Accounts payable	18,616	16,390
Contract liabilities	24,249	0
Deferred revenue	730	316
Accrued liabilities and other long-term liabilities	12,857	1,525
Net cash provided by operating activities	43,414	74,703
Investing Activities
Capital expenditures	(41,586)	(42,636)
Cash paid for building (see Note 3)	(22,000)	0
Cash paid in business combination, net of cash acquired	(249)	0
Proceeds from sale of property, plant and equipment	12	19
Principal payments from note receivable	41	41
Net cash used in investing activities	(63,782)	(42,576)
Financing Activities
Borrowings under revolving credit facility	151,103	0
Payments under revolving credit facility	(114,812)	0
Principal payments on financing lease	(115)	0
Stock options exercised	10,990	14,573
Repurchase of stock	(7,943)	(15,014)
Employee taxes paid by withholding shares	(978)	(1,537)
Cash dividends paid to stockholders	10,096	9,964
Net cash provided by (used in) financing activities	28,149	(11,942)
Net increase in cash, cash equivalents and restricted cash	7,781	20,185
Cash, cash equivalents and restricted cash, beginning of period	3,487	82,288
Cash, cash equivalents and restricted cash, end of period	$ 11,268	$ 102,473