CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (USD $) In Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income	Common Stock in Treasury	Total
Balance at Dec. 31, 2010	$ 3,477	$ 862,423	$ 2,018,445	$ 83,975	$ (3,444)	$ 2,964,876
Balance, shares at Dec. 31, 2010	347,734
Comprehensive income:
Net income	0	0	479,236	0	0	479,236
Change in derivatives	0	0	0	146,016	0	146,016
Change in pension and other postretirement liabilities	0	0	0	590	0	590	[1]
Currency translation adjustment	0	0	0	(831)	0	(831)
Total Comprehensive income	0	0	0	0	0	625,011
Stock-based compensations	0	12,622	0	0	0	12,622
Exercise of stock options, shares	563
Exercise of stock options	6	4,838	0	0	0	4,844
Issuance of restricted stock, shares	8
Issuance of restricted stock	0	0	0	0	0	0
Cancellation of restricted stock, shares	(40)
Cancellation of restricted stock	0	0	0	0	0	0
Treasury stock - non-qualified plan	0	542	0	0	658	1,200
Balance at Sep. 30, 2011	$ 3,483	$ 880,425	$ 2,497,681	$ 229,750	$ (2,786)	$ 3,608,553
Balance, shares at Sep. 30, 2011	348,265

[1] (4) Net of $0.2, $0.1, $0.4 and $0.3 million in taxes for the three months ended September 30, 2011 and 2010, and the nine months ended September 30, 2011 and 2010, respectively.