Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash Flows from Operating Activities
Net income	$ 137,340	$ 110,533	$ 82,406
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	27,312	27,378	26,167
Intangible asset impairment	11,300	3,797	0
Stock compensation expense	10,963	9,750	8,334
Gain on sale of business	(25,265)	0	0
Exit activity costs, non-cash	31	2,771	16,266
(Benefit of) provision for deferred income taxes	(486)	10,800	6,337
Other, net	5,865	12,492	1,506
Changes in operating assets and liabilities net of effects from acquisitions:
Trade receivables and costs in excess of billings	17,914	(15,375)	32,754
Inventories	(18,623)	45,908	14,377
Other current assets and other assets	(22,515)	514	2,062
Accounts payable	26,528	(14,387)	(76,260)
Accrued expenses and other non-current liabilities	3,900	24,295	(11,258)
Net cash provided by operating activities	174,264	218,476	102,691
Cash Flows from Investing Activities
Purchases of property, plant, and equipment, net	(19,930)	(13,906)	(20,062)
Acquisitions, net of cash acquired	0	(9,863)	(51,621)
Net proceeds from sale of business	28,474	8,047	0
Net cash provided by (used in) investing activities	8,544	(15,722)	(71,683)
Cash Flows from Financing Activities
Long-term debt payments	0	(141,000)	(138,000)
Proceeds from long-term debt	0	50,000	204,500
Payment of debt issuance costs	0	0	(2,013)
Purchase of common stock at market prices	(12,189)	(29,329)	(89,494)
Net cash used in financing activities	(12,189)	(120,329)	(25,007)
Effect of exchange rate changes on cash	(565)	(607)	(1,242)
Net increase in cash and cash equivalents	170,054	81,818	4,759
Cash and cash equivalents at beginning of year	99,426	17,608	12,849
Cash and cash equivalents at end of year	269,480	99,426	17,608
Supplemental disclosure of cash flow information
Cash paid for interest	1,050	3,553	3,542
Cash paid for income taxes	$ 31,044	$ 23,447	$ 27,017