Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 75,620	$ 49,110
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	15,614	15,122
Income of investees, net of dividends	(1,929)	(2,960)
Recognition of losses for pension and postretirement plans	777	647
Stock-based compensation expense	3,102	2,529
Other, net	283	(1,663)
Changes in assets and liabilities:
Accounts receivable	(2,092)	5,812
Accounts payable	(21,158)	1,612
Retainages	(15,760)	(13,949)
Contracts in progress and advance billings on contracts	(35,941)	(43,735)
Income taxes	20,332	7,559
Accrued and other current liabilities	(8,073)	(10,748)
Pension liabilities, accrued postretirement benefit obligations and employee benefits	(36,761)	(25,876)
Other, net	(461)	(1,183)
NET CASH USED IN OPERATING ACTIVITIES	(6,447)	(17,723)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(64,768)	(44,519)
Acquisition of business	(16,174)	0
Purchases of securities	(1,511)	(1,786)
Sales and maturities of securities	3,680	1,800
NET CASH USED IN INVESTING ACTIVITIES	(78,773)	(44,505)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings of long-term debt	214,000	212,500
Repayments of long-term debt	(97,607)	(113,457)
Payment of debt issuance costs	(1,340)	0
Repurchases of common shares	(20,000)	(20,000)
Dividends paid to common shareholders	(18,596)	(16,797)
Exercises of stock options	1,254	823
Cash paid for shares withheld to satisfy employee taxes	(4,998)	(8,574)
Other, net	5,068	943
NET CASH PROVIDED BY FINANCING ACTIVITIES	77,781	55,438
EFFECTS OF EXCHANGE RATE CHANGES ON CASH	(1,419)	104
TOTAL DECREASE IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS	(8,858)	(6,686)
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	92,400	36,408
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH AND CASH EQUIVALENTS AT END OF PERIOD	83,542	29,722
Cash paid during the period for:
Interest	14,668	14,767
Income taxes (net of refunds)	1,327	6,191
SCHEDULE OF NON-CASH INVESTING ACTIVITY:
Accrued capital expenditures included in accounts payable	$ 15,433	$ 11,249

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