CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash Flows From Operating Activities:
Net Income (Loss)	$ (121,819)	$ 119,353
Less: Income from discontinued operations, net of tax		3,497
Income (loss) from continuing operations	(121,819)	115,856
Non-cash items included in net income:
Depreciation and amortization	39,318	45,874
Drydock amortization	9,931	13,607
Equity in loss of unconsolidated affiliates	9,592	6,334
Gain on asset disposals and impairments-net	(14,729)	(197)
Restructuring charges	15,462
Provision (benefit) from deferred taxes	(4,314)	1,194
Other non-cash items	9,790	10,858
Changes in assets and liabilities, net of effects from dispositions:
Accounts receivable	117,307	36,237
Net contracts in progress and advance billings on contracts	(4,051)	(150,712)
Accounts payable	24,413	4,074
Accrued and other current liabilities	(23,299)	10,145
Pension liability and accrued postretirement and employee benefits	(25,973)	15,426
Derivative instruments and hedging activities	(71,013)	(24,204)
Other assets and liabilities	(53,739)	6,695
Net Cash Provided By (Used In) Operating Activities-Continuing Operations	(96,482)	91,187
Cash Flows From Investing Activities:
Purchases of property, plant and equipment	(144,475)	(131,661)
Increase in restricted cash and cash equivalents	(6,370)	(2,062)
Purchases of available-for-sale securities	(8,637)	(66,266)
Sales and maturities of available-for-sale securities	34,031	125,895
Proceeds from the sale and disposal of assets	35,672	221
Other investing activities, net	(6,939)	(2,292)
Net Cash Used In Investing Activities-Continuing Operations	(96,718)	(76,165)
Net Cash Provided By Investing Activities-Discontinued Operations		60,671
Total Cash Used In Investing Activities	(96,718)	(15,494)
Cash Flows From Financing Activities:
Increase in debt		19,033
Payment of debt	(7,073)	(2,988)
Noncontrolling interests distributions and other	(11,243)	(15,726)
Other financing activities, net	(1,038)	(2,638)
Net Cash Used In Financing Activities-Continuing Operations	(19,354)	(2,319)
Effects of exchange rate changes on cash and cash equivalents	118	(168)
Net increase (decrease) in cash and cash equivalents	(212,436)	73,206
Cash and cash equivalents at beginning of period	640,147	570,854
Cash and cash equivalents at end of period-Continuing Operations	427,711	644,060
Cash paid during the period for:
Income taxes (net of refunds)	$ 72,363	$ 47,403