Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net income	$ 47,010	$ 23,351
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation	24,874	26,335
Amortization	8,113	6,628
Provision for doubtful accounts	(380)	40
Deferred income taxes	(4,138)	(2,110)
Asset impairments	(0)	4,358
Loss (gain) on the sale of property, plant and equipment	(246)	164
Gain on assets held for sale	(393)	0
Stock-based compensation expense	13,282	10,856
Changes in operating assets and liabilities
Accounts receivable	(123,600)	(2,342)
Contract assets	(32,487)	(17,415)
Inventories	(228,501)	(151,518)
Prepaid expenses and other assets	(9,820)	(9,470)
Accounts payable	84,588	114,477
Advance payments from customers	93,476	7,341
Accrued liabilities	(2,043)	(9,087)
Operating leases	(638)	(196)
Income taxes	6,186	(2,720)
Net cash used in operations	(124,717)	(1,308)
Cash flows from investing activities:
Additions to property, plant and equipment	(30,179)	(29,497)
Proceeds from the sale of property, plant and equipment	289	222
Proceeds from the sale of assets held for sale	5,372	0
Additions to purchased software	(3,415)	(2,940)
Other	5	72
Net cash used in investing activities	(27,928)	(32,143)
Cash flows from financing activities:
Debt issuance costs	(574)	0
Proceeds from stock options exercised	471	346
Employee taxes paid for with shares withheld	(3,184)	(3,152)
Dividends paid	(17,414)	(17,448)
Borrowings under credit agreement	593,000	30,000
Principal payments on credit agreement	(423,000)	(35,625)
Principal payments on finance leases	(123)	(833)
Share repurchases	(9,391)	(40,216)
Net cash provided by (used in) financing activities	139,785	(66,928)
Effect of exchange rate changes	(9,552)	(4,414)
Net decrease in cash and cash equivalents and restricted cash	(22,412)	(104,793)
Cash and cash equivalents and restricted cash at beginning of year	271,749	395,990
Cash and cash equivalents and restricted cash at end of period	$ 249,337	$ 291,197