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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Cash flows from operating activities:    
Net loss $ (159,611) $ (60,688)
Adjustments:    
Depreciation and amortization 174,020 178,611
Long-lived asset impairment 132,665 2,063
Deferred financing cost amortization 4,339 4,393
Loss from discontinued operations, net of tax 44,053 6,011
Amortization of debt discount 9,971 8,902
Provision for doubtful accounts 1,373 (45)
Gain on sale of property, plant and equipment (1,809) (2,752)
Equity in income of non-consolidated affiliates (42,067)  
Amortization of payments to terminate interest rate swaps 7,833 9,722
(Gain) loss on remeasurement of intercompany balances 5,121 (1,026)
Stock-based compensation expense 8,302 10,326
Deferred income tax provision (52,962) (27,667)
Changes in assets and liabilities:    
Accounts receivable and notes (70,534) 1,910
Inventory (62,950) (2,463)
Costs and estimated earnings versus billings on uncompleted contracts 33,693 (46,037)
Other current assets 14,927 (4,121)
Accounts payable and other liabilities (9,414) (48,709)
Deferred revenue 8,859 (31,404)
Other 6,795 (3,894)
Net cash provided by (used in) continuing operations 52,604 (6,868)
Net cash provided by discontinued operations 1,123 1,990
Net cash provided by (used in) operating activities 53,727 (4,878)
Cash flows from investing activities:    
Capital expenditures (227,854) (104,302)
Proceeds from sale of property, plant and equipment 26,033 30,633
Return of investments in non-consolidated affiliates 42,291  
(Increase) decrease in restricted cash (162) 184
Cash invested in non-consolidated affiliates (224)  
Net cash used in continuing operations (159,916) (73,485)
Net cash used in discontinued operations (973) (1,269)
Net cash used in investing activities (160,889) (74,754)
Cash flows from financing activities:    
Proceeds from borrowings of long-term debt 1,179,000 1,003,409
Repayments of long-term debt (1,158,104) (1,205,258)
Payments for debt issue costs (549) (980)
Net proceeds from the sale of Partnership units 114,530 289,908
Proceeds from stock options exercised   487
Proceeds from stock issued pursuant to our employee stock purchase plan 888 940
Purchases of treasury stock (1,842) (2,415)
Stock-based compensation excess tax benefit 208 816
Distributions to noncontrolling partners in the Partnership (27,017) (15,841)
Net cash provided by financing activities 107,114 71,066
Effect of exchange rate changes on cash and equivalents (476) (1,012)
Net decrease in cash and cash equivalents (524) (9,578)
Cash and cash equivalents at beginning of period 21,903 44,361
Cash and cash equivalents at end of period $ 21,379 $ 34,783