CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Net income	$ 1,424,037		$ 1,059,131		$ 528,142
Other comprehensive income (loss), net of tax
Foreign currency translation adjustments(1)	69,683	[1]	(55,128)	[1]	(26,740)	[1]
Unrealized gain (loss) on marketable securities, net of tax benefit of $158 in 2012 and tax of $96 and $175 in 2012 and 2010, respectively	(620)	[2]	212	[2]	294	[2]
Other	0		0		(3,758)
Comprehensive income	1,493,100		1,004,215		497,938
Less: Comprehensive income attributable to noncontrolling interests	9,628		2,537		4,044
Comprehensive income attributable to common stockhoolders	1,483,472		1,001,678		493,894
Other Comprehensive Income Foreign Currency Translation Gain (Loss) For Net Investment Hedge Arising During Period BeforeTax	(40,390)		51,950		24,116
Other Comprehensive Income Foreign Currency Translation For Net Investment Hedge Arising During Period, Tax	(18,001)		21,547		11,311
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax	$ (158)		$ 96		$ 175

[1] Foreign currency translation adjustments includes a net loss of $40,390, net of tax benefits of $18,001, for the year ended December 31, 2012 and net gains of $51,950 and $24,116, net of taxes of $21,547 and $11,311, for the years ended December 31, 2011 and 2010, respectively, associated with hedges of foreign denominated net assets. The remaining balance in currency translation adjustments excludes income taxes due to the Company's practice and intention to reinvest the earnings of its foreign subsidiaries in those operations. See Note 14.

[2] Net of tax benefits of $158 for the year ended December 31, 2012 and taxes of $96 and $175 for the years ended December 31, 2011, and 2010, respectively.