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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Cash flows from operating activities:      
Net loss $ (37,169) $ (339,618) $ (113,241)
Adjustments:      
Depreciation and amortization 350,847 356,972 392,153
Long-lived asset impairment 183,445 6,068 143,874
Goodwill impairment   196,807  
Amortization of deferred financing cost 7,243 8,977 5,303
(Income) loss from discontinued operations, net of tax (66,843) 10,105 (40,739)
Amortization of debt discount 20,523 18,323 16,364
Provision for doubtful accounts 8,754 1,488 4,749
Gain on sale of property, plant and equipment (4,688) (8,063) (5,500)
Equity in (income) loss of non-consolidated affiliates (51,483) 471 609
Interest rate swaps     751
Amortization of payments to terminate interest rate swaps 10,688 20,267 2,006
(Gain) loss on remeasurement of intercompany balances 7,406 14,174 (6,255)
Stock-based compensation expense 15,381 20,018 23,266
Deferred income tax provision (93,884) (50,211) (124,168)
Changes in assets and liabilities, net of acquisition:      
Accounts receivable and notes (10,298) (53,289) 34,701
Inventory (34,926) 27,438 94,467
Costs and estimated earnings versus billings on uncompleted contracts 44,359 (21,601) 2,910
Other current assets 9,452 (16,350) 17,952
Accounts payable and other liabilities 30,196 35,184 9,510
Deferred revenue 4,738 (78,846) (88,385)
Other (5,870) (36,597) 4,950
Net cash provided by continuing operations 387,871 111,717 375,277
Net cash provided by (used in) discontinued operations 2,054 8,726 (8,964)
Net cash provided by (used in) operating activities 389,925 120,443 366,313
Cash flows from investing activities:      
Capital expenditures (428,731) (272,185) (231,607)
Proceeds from sale of property, plant and equipment 36,000 43,042 21,728
Cash paid for business acquisition   (3,000)  
Return of investments in non-consolidated affiliates 51,707    
(Increase) decrease in restricted cash (162) 820 12,930
Cash invested in non-consolidated affiliates (224) (471) (609)
Net cash used in continuing operations (341,410) (231,794) (197,558)
Net cash provided by (used in) discontinued operations 135,959 (7,390) 94,593
Net cash used in investing activities (205,451) (239,184) (102,965)
Cash flows from financing activities:      
Proceeds from borrowings of long-term debt 1,878,000 1,893,740 2,098,244
Repayments of long-term debt (2,106,639) (2,036,171) (2,478,397)
Payments for debt issuance costs (1,011) (8,823) (12,034)
Net proceeds from the sale of Partnership units 114,530 289,908 109,365
Proceeds from stock options exercised 562 526 840
Proceeds from stock issued pursuant to our employee stock purchase plan 1,635 1,887 2,224
Purchases of treasury stock (2,422) (2,941) (2,061)
Stock-based compensation excess tax benefit 1,139 1,034 1,182
Distributions to noncontrolling partners in the Partnership (57,084) (39,870) (18,030)
Net cash provided by (used in) financing activities (171,290) 99,290 (298,667)
Effect of exchange rate changes on cash and equivalents (486) (3,007) (1,872)
Net increase (decrease) in cash and cash equivalents 12,698 (22,458) (37,191)
Cash and cash equivalents at beginning of period 21,903 44,361 81,552
Cash and cash equivalents at end of period 34,601 21,903 44,361
Supplemental disclosure of cash flow information:      
Interest paid, net of capitalized amounts 95,416 100,735 109,952
Income taxes paid, net $ 29,089 $ 59,735 $ 48,306