CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 471,562	$ 398,575
Short-term investments	148,001	140,914
Assets held for sale	404,234	401,500
Accounts receivable, net	1,529,232	1,576,555
Inventory	257,158	272,852
Deferred income taxes	111,673	127,874
Other current assets	211,789	170,044
Total current assets	3,133,649	3,088,314
Long-term investments and other receivables	5,301	11,124
Property, plant and equipment, net	8,894,084	8,629,946
Goodwill	472,462	501,258
Investment in unconsolidated affiliates	70,172	371,021
Other long-term assets	348,893	310,477
Total assets	12,924,561	12,912,140
Current liabilities:
Current portion of long-term debt	389	275,326
Trade accounts payable	560,641	782,753
Accrued liabilities	573,636	744,483
Total current liabilities	1,134,666	1,802,562
Long-term debt	4,678,896	4,348,490
Other long-term liabilities	448,418	292,758
Deferred income taxes	737,269	797,925
Total liabilities	6,999,249	7,241,735
Commitments and contingencies (Note 12)
Subsidiary preferred stock	69,188	69,188
Shareholders' equity:
Common shares, par value $.001 per share: Authorized common shares 800,000; issued 318,797 and 317,042, respectively	319	317
Capital in excess of par value	2,332,387	2,287,743
Accumulated other comprehensive income	362,480	321,264
Retained earnings	4,093,321	3,956,364
Less: treasury shares, at cost, 28,414 and 29,414 common shares, respectively	(944,627)	(977,873)
Total shareholders' equity	5,843,880	5,587,815
Noncontrolling interest	12,244	13,402
Total equity	5,856,124	5,601,217
Total liabilities and equity	$ 12,924,561	$ 12,912,140