Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Statement of Other Comprehensive Income [Abstract]
Net income before noncontrolling interests	$ 116,598	$ 135,232
Other comprehensive income (loss):
Change in unrealized foreign exchange gains (losses)	(46,623)	15,583
Unrealized investment gain related to non-controlling interest	7,810	22,024
Amounts reclassified from AOCI	1,814	824
Other comprehensive income (loss)	(36,999)	38,431
Comprehensive income	79,599	173,663
Comprehensive income (loss), net of Tax, Attributable to noncontrolling interests	(23)	63
Comprehensive income to common stockholders	$ 79,576	$ 173,726

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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