CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 528,822	$ 641,702
Short-term investments	144,220	159,488
Assets held for sale	311,295	352,048
Accounts receivable, net	1,191,182	1,116,510
Inventory	199,899	158,836
Deferred income taxes	38,809	31,510
Other current assets	138,714	152,836
Total current assets	2,552,941	2,612,930
Long-term investments and other receivables	42,119	40,300
Property, plant and equipment, net	8,372,405	7,815,419
Goodwill	494,100	494,372
Investment in unconsolidated affiliates	303,970	267,723
Other long-term assets	350,117	415,825
Total assets	12,115,652	11,646,569
Current liabilities:
Current portion of long-term debt	881	1,379,018
Trade accounts payable	551,010	355,282
Accrued liabilities	462,343	394,292
Income taxes payable	10,716	25,788
Total current liabilities	1,024,950	2,154,380
Long-term debt	4,264,586	3,064,126
Other long-term liabilities	257,696	245,765
Deferred income taxes	830,757	770,247
Total liabilities	6,377,989	6,234,518
Commitments and contingencies (Note 8)
Subsidiary preferred stock	69,188	69,188
Shareholders' equity:
Common shares, par value $.001 per share: Authorized common shares 800,000; issued 316,858 and 315,034, respectively	316	315
Capital in excess of par value	2,273,016	2,255,787
Accumulated other comprehensive income	376,891	342,052
Retained earnings	3,983,154	3,707,881
Less: treasury shares, at cost, 29,414 common shares	(977,873)	(977,873)
Total shareholders' equity	5,655,504	5,328,162
Noncontrolling interest	12,971	14,701
Total equity	5,668,475	5,342,863
Total liabilities and equity	$ 12,115,652	$ 11,646,569