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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities
Net loss	$ (88,058)	$ (296,551)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	26,510	29,135
Deferred income taxes	(4,253)	19,514
(Income) loss from discontinued operations	(286)	833
Restructuring charges	3,613	1,111
Impairment charges		202,400
Gains on dispositions of property and other assets	(9,360)	(1,373)
Share-based compensation expense (benefit)	4,216	(1,288)
Multi-employer pension plan withdrawal	57	462
Other non-cash items, net	(33)	11,470
Change in operating assets and liabilities:
Receivables	(7,056)	97,979
Inventories	(2,602)	(2,120)
Current contract costs	(4,372)	16,185
Accounts payable	6,456	(59,887)
Restructuring liabilities	(3,106)	(2,359)
Accrued compensation	7,145	(22,562)
Contract liabilities	27,770	(22,499)
Income taxes payable	160	489
Other assets and liabilities, net	3,650	(2,104)
Net cash used in operating activities	(39,549)	(31,165)
Cash flows from investing activities
Capital expenditures	(24,763)	(32,516)
Cash surrender value of life insurance policies		24,767
Cash paid for acquisitions, net	(7,606)
Proceeds from dispositions of property and other assets	14,227	4,654
Net cash used in investing activities	(18,142)	(3,095)
Cash flows from financing activities
Proceeds from borrowings	65,608	192,111
Payments on debt and finance lease obligations	(9,027)	(56,078)
Dividends paid on common stock		(4,064)
Distributions to noncontrolling interest, net of contributions from noncontrolling interest	(678)	(1,526)
Payments of debt issuance costs	(128)
Payment of payroll taxes on stock-based compensation through shares withheld or repurchased	(601)	(1,062)
Common stock purchased for treasury		(2,785)
Proceeds from exercise of stock options		2,077
Net cash provided by financing activities	55,174	128,673
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	538	(2,196)
Net change in cash, cash equivalents, and restricted cash	(1,979)	92,217
Cash, cash equivalents, and restricted cash, beginning of year	41,971	62,004
Cash, cash equivalents, and restricted cash, end of period	$ 39,992	$ 154,221

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Multiemployer pension plan withdrawal.

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