Consolidated Statements Of Comprehensive (Loss) Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Net income	$ 66,461	$ 73,356
Other comprehensive income, before tax:
Gains on hedging instrument	0	0
Other comprehensive income, before tax:	0	0
Income tax expense related to gains on hedging instrument	0	0
Other comprehensive income, net of tax:	0	0
Comprehensive income	$ 66,461	$ 73,356

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

+ References+ Details

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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+ Details

- Definition

Before tax amount of other comprehensive income (loss) attributable to the parent entity.

+ References

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+ Details

- Definition

Net of tax amount of other comprehensive income (loss) attributable to the parent entity.

+ References

+ Details