UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Net income	$ 244,292		$ 181,816
Other comprehensive income, net of tax
Foreign currency translation adjustments (1)	(76,606)	[1]	41,455	[1]
Unrealized gain (loss) on marketable securities (2)	39	[2]	(774)	[2]
Comprehensive income	167,725		222,497
Less: Comprehensive income (loss) attributable to noncontrolling interests (See Note 11)	(12,162)		4,057
Comprehensive income attributable to common stockholders	$ 179,887		$ 218,440

[1] Net of tax of $26,898 and tax benefit of $12,962 for the three months ended March 31, 2013 and 2012, respectively, associated with hedges of foreign denominated net assets. See Note 12.

[2] Net of tax of $7 and tax benefit of $352 for the three months ended March 31, 2013 and 2012, respectively.