CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2012	Mar. 31, 2011
Net income	$ 152,167	$ 133,066
Other comprehensive income - derivative instruments:
Unrealized holding gains arising during the year	3,218	6,082
Losses reclassified into earnings from other comprehensive income	3,563	956
Other comprehensive (loss) income - other instruments:
Unrealized holding (losses) gains arising during the period	(36)	146
Other comprehensive (loss) income	6,745	7,184
Comprehensive income	158,912	140,250
Comprehensive (income) attributable to Noncontrolling Interests	(6,868)	(5,735)
Comprehensive income attributable to controlling interests	$ 152,044	$ 134,515

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.

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