CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net earnings	$ 56,846	$ 40,685
Adjustments to reconcile net earnings to net cash used for operating activities:
Depreciation and amortization	28,927	27,363
Loss on divestiture	0	4,651
(Gain) loss on sale/disposal of long-lived assets	93	(3,070)
Deferred income taxes	(2,619)	803
Share-based compensation	5,179	3,809
Change in operating assets and liabilities, net of businesses acquired:
Receivables, net	6,153	(13,414)
Inventories, net	(42,773)	(38,149)
Progress payments	(163)	(395)
Accounts payable and accrued expenses	(85,442)	(72,565)
Deferred revenue	(8,252)	(35,154)
Pension and postretirement liabilities, net	(4,946)	(6,034)
Other current and long-term assets and liabilities	(44,602)	(32,845)
Net cash used for operating activities	(91,599)	(124,315)
Cash flows from investing activities:
Proceeds from sale/disposal of long-lived assets	224	5,567
Additions to property, plant, and equipment	(10,661)	(10,896)
Payments for (Proceeds from) Previous Acquisition	0	5,062
Net cash used for investing activities	(10,437)	(10,391)
Cash flows from financing activities:
Borrowings under revolving credit facility	465,025	241,198
Repayments of Lines of Credit	(286,825)	(121,198)
Repayments of Senior Debt	(202,500)	0
Repurchases of common stock	(12,386)	(18,857)
Proceeds from share-based compensation	5,225	5,284
Other	(268)	(248)
Net cash provided by (used for) financing activities	(31,729)	106,179
Effect of exchange-rate changes on cash	7,450	(5,795)
Net decrease in cash and cash equivalents	(126,315)	(34,322)
Cash and cash equivalents at beginning of period	256,974	171,004
Cash and cash equivalents at end of period	$ 130,659	$ 136,682