CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net earnings	$ 82,779	$ 135,665
Adjustments to reconcile net earnings to net cash provided by (used for) operating activities
Depreciation and amortization	56,568	51,600
Gain on fixed asset disposals	(373)	(6,080)
Deferred income taxes	4,208	1,450
Share-based compensation	7,140	6,980
Foreign exchange loss on substantial liquidation of subsidiary	9,550	0
Inventory Write-down	9,015	0
Change in operating assets and liabilities, net of businesses acquired and divested:
Accounts receivable, net	31,898	(37,621)
Inventories, net	(40,691)	(11,080)
Progress Payments	(470)	(356)
Accounts payable and accrued expenses	(81,848)	(87,430)
Deferred revenue	(12,622)	5,278
Income taxes payable	26,042	2,872
Net pension and postretirement liabilities	(149,514)	311
Other current and long-term assets and liabilities	6,109	(21,203)
Net cash provided by (used for) operating activities	(52,209)	40,386
Cash flows from investing activities:
Proceeds from sales and disposals of long lived assets	2,411	8,920
Payments to Acquire Intangible Assets	0	(147)
Additions to property, plant, and equipment	(29,324)	(33,471)
Acquisition of businesses, net of cash acquired	82,003	50,075
Net cash used for investing activities	(108,916)	(74,773)
Cash flows from financing activities:
Borrowings under revolving credit facility	306,797	7,318
Payment of revolving credit facility	(231,797)	(7,561)
Repurchases of common stock	(124,613)	(25,065)
Proceeds from share-based compensation	5,189	5,411
Dividends paid	(7,089)	(6,420)
Proceeds from (Payments for) Other Financing Activities	(429)	(395)
Net cash used for financing activities	(51,942)	(26,712)
Effect of exchange-rate changes on cash	(22,583)	1,377
Net decrease in cash and cash equivalents	(235,650)	(59,722)
Cash and cash equivalents at beginning of period	391,033	276,066
Cash and cash equivalents at end of period	155,383	216,344
Supplemental disclosure of non-cash activities:
Capital expenditures incurred but not yet paid	$ 152	$ 85