Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2013

Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

Financial assets measured at fair value on a recurring basis as of March 31, 2013 are classified using the fair value hierarchy in the table below:

	Total		Level 1		Level 2
	(In thousands)
Assets
Cash equivalents:
Money market funds	$	228,346	$	228,346	$	—
Time deposits		155,764		—		155,764
Restricted cash:
Time deposits		9,887		—		9,887
Derivatives:
Foreign currency forward contracts		3,542		—		3,542
Investments:
Time deposits		874,463		—		874,463
Corporate debt securities		239,479		—		239,479
Total assets	$	1,511,481	$	228,346	$	1,283,135

Financial assets and liabilities measured at fair value on a recurring basis as of December 31, 2012 are classified using the fair value hierarchy in the table below:

	Total		Level 1		Level 2
	(In thousands)
Assets
Cash equivalents:
Money market funds	$	677,523	$	677,523	$	—
Time deposits		89,084		—		89,084
Restricted cash:
Time deposits		9,855		—		9,855
Investments:
Time deposits		525,533		—		525,533
Corporate debt securities		245,477		—		245,477
Total assets	$	1,547,472	$	677,523	$	869,949
Liabilities
Derivatives:
Foreign currency forward contracts	$	3,290	$	—	$	3,290