Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Operating Activities
Net income	$ 143,869	$ 130,574
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	45,185	33,439
Amortization of debt issuance costs	111	57
Amortization of right of use assets	133	166
Provision for (recoveries of) credit losses on accounts receivable, net of adjustments	815	(92)
Provision for excess and obsolete inventories, net of write-offs	1,848	2,979
Share-based compensation	12,814	12,102
Loss (gain) on disposal of assets	(15)	(13)
Foreign currency transaction loss	10	0
Interest income on note receivable	(14)	(15)
Deferred	(4,112)	(3,917)
Changes in assets and liabilities:
Accounts receivable	(6,513)	(32,040)
Income taxes	(2,295)	(12,472)
Inventories	33,953	(18,547)
Contract assets	(49,926)	(10,155)
Prepaid expenses and other long-term assets	(304)	(896)
Accounts payable	1,733	(15,631)
Contract liabilities	2,634	(1,848)
Extended warranties	1,249	2,049
Accrued liabilities and other long-term liabilities	10,512	21,405
Net cash provided by operating activities	191,687	107,145
Investing Activities
Capital expenditures	(99,371)	(82,900)
Proceeds from sale of property, plant and equipment	21	129
Software development expenditures	(14,436)	0
Principal payments from note receivable	38	39
Net cash used in investing activities	(113,748)	(82,732)
Financing Activities
Proceeds from financing obligation, net of issuance costs	4,186	6,061
Payment related to financing costs	(417)	(398)
Borrowings under revolving credit facility	410,503	444,072
Payments under revolving credit facility	(393,154)	(436,656)
Stock options exercised	25,645	25,251
Repurchase of stock	100,034	25,009
Employee taxes paid by withholding shares	(7,455)	(1,202)
Cash dividends paid to stockholders	19,571	19,946
Net cash used in financing activities	(80,297)	(7,827)
Net (decrease) increase in cash, cash equivalents and restricted cash	(2,358)	16,586
Cash, cash equivalents and restricted cash, beginning of period	9,023	5,949
Cash, cash equivalents and restricted cash, end of period	$ 6,665	$ 22,535