CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net earnings	$ 218,175	$ 192,914
Adjustments to reconcile net earnings to net cash provided by operating activities
Depreciation and amortization	76,998	77,146
Gain (Loss) on Disposition of Business	0	(2,149)
Gain on fixed asset disposals	(6,295)	(531)
Deferred income taxes	652	4,942
Share-based compensation	11,262	11,846
Change in operating assets and liabilities, net of businesses acquired and divested:
Accounts receivable, net	(44,788)	(79,372)
Inventories, net	(8,587)	(50,463)
Progress payments	(4,955)	764
Accounts payable and accrued expenses	(86,900)	(32,389)
Deferred revenue	18,750	11,643
Income taxes payable	2,676	(7,620)
Net pension and postretirement liabilities	(928)	(46,320)
Other current and long-term assets and liabilities	(17,045)	18,564
Net cash provided by operating activities	159,015	98,975
Cash flows from investing activities:
Proceeds from sales and disposals of long lived assets	10,099	5,495
Proceeds from Divestiture of Businesses		(268)
Payments to Acquire Intangible Assets	(157)	(1,500)
Additions to property, plant, and equipment	(49,919)	(30,287)
Acquisition of businesses, net of cash acquired	(50,075)	(210,167)
Payments for (Proceeds from) Previous Acquisition		(460)
Net cash used for investing activities	(90,052)	(237,187)
Cash flows from financing activities:
Borrowings under revolving credit facility	35,387	370,595
Payment of revolving credit facility	(35,550)	(369,721)
Repurchases of common stock	(37,864)	(78,898)
Proceeds from share-based compensation	10,943	11,135
Dividends paid	(13,683)	(13,223)
Proceeds from (Payments for) Other Financing Activities	(600)	(557)
Net cash used for financing activities	(41,367)	(80,669)
Effect of exchange-rate changes on cash	(5,950)	(10,322)
Net increase (decrease) in cash and cash equivalents	21,646	(229,203)
Cash and cash equivalents at beginning of period	276,066	475,120
Cash and cash equivalents at end of period	297,712	245,917
Supplemental disclosure of non-cash activities:
Capital expenditures incurred but not yet paid	$ 88	$ 684