Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024		Jun. 30, 2023
Operating Activities
Net income	$ 91,244	[1]	$ 82,496
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	27,923		21,236
Amortization of debt issuance costs	71		32
Amortization of right of use assets	73		67
Provision for (recoveries of) credit losses on accounts receivable, net of adjustments	1,169		(171)
Provision for excess and obsolete inventories, net of write-offs	641		1,458
Share-based compensation	8,451		7,823
(Gain) loss on disposal of assets	(16)		12
Foreign currency transaction loss (gain)	15		(13)
Interest income on note receivable	(9)		(10)
Deferred	41		(4,438)
Changes in assets and liabilities:
Accounts receivable	(12,210)		(26,782)
Income taxes	(6,139)		(15,171)
Inventories	29,903		(17,927)
Contract assets	(22,977)		(4,711)
Prepaid expenses and other long-term assets	(2,708)		(2,502)
Accounts payable	(1,804)		(14,874)
Contract liabilities	13,105		(1,162)
Extended warranties	1,195		1,526
Accrued liabilities and other long-term liabilities	(56)		33,051
Net cash provided by operating activities	127,912		59,940
Investing Activities
Capital expenditures	(65,381)		(60,629)
Proceeds from sale of property, plant and equipment	16		104
Software development expenditures	(10,058)		0
Principal payments from note receivable	26		28
Net cash used in investing activities	(75,397)		(60,497)
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	272,526		279,961
Payments under revolving credit facility	(224,970)		(272,429)
Stock options exercised	15,821		23,244
Repurchase of stock	100,034		0
Employee taxes paid by withholding shares	(3,493)		(1,162)
Cash dividends paid to stockholders	13,079		13,004
Net cash (used in) provided by financing activities	(49,460)		22,273
Net increase in cash, cash equivalents and restricted cash	3,055		21,716
Cash, cash equivalents and restricted cash, beginning of period	9,023		5,949
Cash, cash equivalents and restricted cash, end of period	$ 12,078		$ 27,665

[1] 1 Reflects three-for-two stock split effective August 16, 2023