CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net loss	$ (15,313)	$ (134,497)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization of long-lived assets	12,296	19,123
Amortization of deferred financing costs, debt discount and payment-in-kind interest	16,013	42,185
Amortization of guaranty fee	698	0
Non-cash operating lease expense	3,600	4,134
Loss on sale of business	108	3,601
Loss on debt extinguishment	6,194	3,969
(Gains) losses on asset disposals and impairments	(916)	(224)
Benefit from deferred income taxes, including valuation allowances	(788)	(722)
Mark to market gains and prior service cost amortization for pension and postretirement plans	(738)	(107)
Stock-based compensation, net of associated income taxes	3,327	1,841
Equitized non-cash interest expense	8,031	0
Changes in assets and liabilities:
Accounts receivable	28,577	41,274
Accrued insurance receivable	(26,000)	0
Contracts in progress	21,633	23,106
Advance billings on contracts	(23,161)	(68,109)
Inventories	(4,865)	(6,571)
Income taxes	(4,820)	1,620
Accounts payable	(33,450)	(71,284)
Accrued and other current liabilities	13,793	(21,097)
Accrued contract loss	(5,294)	(49,820)
Pension liabilities, accrued postretirement benefits and employee benefits	(25,922)	(5,750)
Other, net	(40,299)	16,211
Net cash used in operating activities	(67,296)	(201,117)
Cash flows from investing activities:
Purchase of property, plant and equipment	(2,274)	(1,634)
Proceeds from sale of business	8,000	7,445
Purchases of available-for-sale securities	(19,149)	(3,469)
Sales and maturities of available-for-sale securities	14,597	5,132
Other, net	784	(382)
Net cash from investing activities	1,958	7,092
Cash flows from financing activities:
Shares of our common stock returned to treasury stock	(278)	(44)
Proceeds from rights offering	0	40,376
Costs related to rights offering	0	(682)
Debt issuance costs	(10,343)	(15,509)
Issuance of common stock	0	1,392
Other, net	98	(270)
Net cash from financing activities	52,377	181,042
Effects of exchange rate changes on cash	4,389	(3,951)
Net decrease in cash, cash equivalents and restricted cash	(8,572)	(16,934)
Cash, cash equivalents and restricted cash, beginning of period	56,941	60,279
Cash, cash equivalents and restricted cash, end of period	48,369	43,345
U.S. Revolving Credit Facility
Cash flows from financing activities:
Borrowings under credit facilities	126,300	251,917
Repayments of lines of credit	(123,400)	(205,117)
Last Out Term Loans
Cash flows from financing activities:
Borrowings under credit facilities	60,000	151,350
Repayments of lines of credit	0	(41,766)
Foreign Revolvers
Cash flows from financing activities:
Repayments of lines of credit	$ 0	$ (605)