CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net earnings	$ 111,557	$ 120,877
Adjustments to reconcile net earnings to net cash provided by (used for) operating activities
Depreciation and amortization	53,645	57,616
Loss on divestiture	4,651	0
Gain on sale/disposal of long-lived assets	(3,004)	(590)
Deferred income taxes	(4,516)	6,293
Share-based compensation	7,580	6,725
Change in operating assets and liabilities, net of businesses acquired and divested:
Accounts receivable, net	(47,826)	(53,787)
Inventories, net	(58,620)	(15,214)
Progress Payments	(954)	(2,680)
Accounts payable and accrued expenses	(55,406)	(58,217)
Deferred revenue	(45,397)	6,663
Net pension and postretirement liabilities	(4,376)	(4,017)
Other current and long-term assets and liabilities	(50,605)	(15,193)
Net cash provided by (used for) operating activities	(93,271)	48,476
Cash flows from investing activities:
Proceeds from sale/disposal of long-lived assets	6,319	2,982
Additions to property, plant, and equipment	(19,492)	(17,771)
Payments for Previous Acquisition	5,062	5,340
Net cash used for investing activities	(18,235)	(20,129)
Cash flows from financing activities:
Borrowings under revolving credit facility	653,547	163,507
Payments of revolving credit facilities	(494,347)	(163,507)
Repurchases of common stock	(31,645)	(24,395)
Proceeds from share-based compensation	5,284	4,919
Dividends paid	(14,220)	(6,961)
Proceeds from (Payments for) Other Financing Activities	(499)	(462)
Net cash (used for)/provided by financing activities	118,120	(26,899)
Effect of exchange-rate changes on cash	(6,204)	(2,188)
Net increase (decrease) in cash and cash equivalents	410	(740)
Cash and cash equivalents at beginning of period	171,004	198,248
Cash and cash equivalents at end of period	$ 171,414	$ 197,508