UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income		$ 517,032	$ 576,451	$ 850,359	$ 907,669
Other comprehensive income, net of tax
Foreign currency translation adjustments	[1]	56,983	(14,499)	(70,028)	(6,585)
Unrealized gain on marketable securities	[2]	124,439	83	286,807	191
Comprehensive income		$ 698,454	$ 562,035	$ 1,067,138	$ 901,275

[1] Net of tax benefit of $34,586 and tax of $42,019 for the three and six months ended June 30, 2015, respectively, and net of tax of $14,208 and $15,345 for the three and six months ended June 30, 2014, respectively, associated with net investment hedges. See Note 11.

[2] Net of tax benefit of $11,596 and $1,620 for the three and six months ended June 30, 2015, respectively, and net of tax of $5 and $54 for the three and six months ended June 30, 2014, respectively.