CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net earnings	$ 137,845	$ 111,557
Adjustments to reconcile net earnings to net cash provided by (used for) operating activities
Depreciation and amortization	57,975	53,645
Loss on divestiture	0	4,651
Loss/(gain) on sale/disposal of long-lived assets	16	(3,004)
Deferred income taxes	(6,553)	(4,516)
Share-based compensation	8,859	7,580
Change in operating assets and liabilities, net of businesses acquired and divested:
Accounts receivable, net	(22,370)	(47,826)
Inventories, net	(57,557)	(58,620)
Progress Payments	1,830	(954)
Accounts payable and accrued expenses	(72,019)	(55,406)
Deferred revenue	21,586	(45,397)
Net pension and postretirement liabilities	(9,392)	(4,376)
Other current and long-term assets and liabilities	(40,867)	(50,605)
Net cash provided by (used for) operating activities	19,353	(93,271)
Cash flows from investing activities:
Proceeds from sale/disposal of long-lived assets	473	6,319
Additions to property, plant, and equipment	(22,664)	(19,492)
Payments for Previous Acquisition	0	5,062
Net cash used for investing activities	(22,191)	(18,235)
Cash flows from financing activities:
Borrowings under revolving credit facility	481,099	653,547
Payments of revolving credit facilities	(356,099)	(494,347)
Principal payments on debt	(202,500)	0
Repurchases of common stock	(24,365)	(31,645)
Proceeds from share-based compensation	5,225	5,284
Dividends paid	(7,290)	(14,220)
Proceeds from (Payments for) Other Financing Activities	(537)	(499)
Net cash (used for)/provided by financing activities	(104,467)	118,120
Effect of exchange-rate changes on cash	9,068	(6,204)
Net increase (decrease) in cash and cash equivalents	(98,237)	410
Cash and cash equivalents at beginning of period	256,974	171,004
Cash and cash equivalents at end of period	$ 158,737	$ 171,414