CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash Flows From Operating Activities:
Net Income (Loss)	$ (180,866)	$ 173,644
Less: Income from discontinued operations, net of tax		3,497
Income (loss) from continuing operations	(180,866)	170,147
Non-cash items included in net income:
Depreciation and amortization	60,114	65,956
Drydock amortization	14,179	21,606
Equity in loss of unconsolidated affiliates	12,967	11,026
Gain on asset disposals and impairments-net	(15,492)	(282)
Restructuring charges	19,502
Provision (benefit) from deferred taxes	(3,761)	3,929
Other non-cash items	14,817	17,779
Changes in assets and liabilities, net of effects from dispositions:
Accounts receivable	50,206	(113,460)
Net contracts in progress and advance billings on contracts	44,601	(225,340)
Accounts payable	(27,953)	58,675
Accrued and other current liabilities	3,038	66,125
Pension liability and accrued postretirement and employee benefits	(29,196)	17,322
Derivative instruments and hedging activities	(46,270)	(4,880)
Other assets and liabilities	(77,434)	21,046
Net Cash Provided By (Used In) Operating Activities-Continuing Operations	(168,110)	109,649
Cash Flows From Investing Activities:
Purchases of property, plant and equipment	(225,397)	(179,284)
Increase in restricted cash and cash equivalents	(372)	(1,112)
Purchases of available-for-sale securities	(9,886)	(82,735)
Sales and maturities of available-for-sale securities	39,210	164,807
Proceeds from the sale and disposal of assets	37,189	405
Other investing activities, net	(8,503)	(2,305)
Net Cash Used In Investing Activities-Continuing Operations	(167,759)	(100,224)
Net Cash Provided By Investing Activities-Discontinued Operations		60,671
Total Cash Used In Investing Activities	(167,759)	(39,553)
Cash Flows From Financing Activities:
Increase in debt	80,000	19,033
Payment of debt	(88,567)	(4,482)
Noncontrolling interests distributions and other	(12,493)	(15,728)
Other financing activities, net	(1,033)	(2,642)
Net Cash Used In Financing Activities-Continuing Operations	(22,093)	(3,819)
Effects of exchange rate changes on cash and cash equivalents	185	1,663
Net increase (decrease) in cash and cash equivalents	(357,777)	67,940
Cash and cash equivalents at beginning of period	640,147	570,854
Cash and cash equivalents at end of period-Continuing Operations	282,370	638,794
Cash paid during the period for:
Income taxes (net of refunds)	$ 90,462	$ 58,157