CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net earnings	$ 234,623	$ 185,325
Adjustments to reconcile net earnings to net cash provided by operating activities
Depreciation and amortization	86,836	83,520
Loss on divestiture	0	4,651
Loss/(gain) on sale/disposal of long-lived assets	157	(4,241)
Deferred income taxes	(6,392)	5,759
Share-based compensation	13,213	12,027
Change in operating assets and liabilities, net of businesses acquired and divested:
Accounts receivable, net	(56,138)	(70,548)
Inventories, net	(56,753)	(89,318)
Progress Payments	64	(1,330)
Accounts payable and accrued expenses	(42,020)	(42,360)
Deferred revenue	37,598	(39,230)
Net pension and postretirement liabilities	(14,128)	(3,913)
Other current and long-term assets and liabilities	(31,343)	(37,955)
Net cash provided by operating activities	165,717	2,387
Cash flows from investing activities:
Proceeds from sale/disposal of long-lived assets	464	9,110
Purchases of investments	0	(10,000)
Additions to property, plant, and equipment	(32,037)	(28,789)
Acquisition of business, net of cash acquired	0	(247,215)
Additional consideration paid on prior year acquisitions	0	5,062
Net cash used for investing activities	(31,573)	(281,956)
Cash flows from financing activities:
Borrowings under revolving credit facility	586,230	1,332,219
Payments of revolving credit facilities	(586,230)	(1,038,019)
Principal payments on debt	(202,500)	0
Repurchases of common stock	(37,366)	(44,434)
Proceeds from share-based compensation	10,583	9,997
Dividends paid	(14,950)	(14,220)
Proceeds from (Payments for) Other Financing Activities	(813)	(755)
Net cash (used for)/provided by financing activities	(245,046)	244,788
Effect of exchange-rate changes on cash	2,737	(22,671)
Net decrease in cash and cash equivalents	(108,165)	(57,452)
Cash and cash equivalents at beginning of period	256,974	171,004
Cash and cash equivalents at end of period	$ 148,809	$ 113,552