Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2012

Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

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

Financial assets and liabilities measured at fair value on a recurring basis as of December 31, 2011 are classified using the fair value hierarchy in the table below:

	Total		Level 1		Level 2
	(In thousands)
Assets
Cash equivalents:
Money market funds	$	310,075	$	310,075	$	—
Restricted cash:
Time deposits		9,754		—		9,754
Derivatives:
Foreign currency forward contracts		1,043		—		1,043
Investments:
Time deposits		592,162		—		592,162
Corporate debt securities		268,664		—		268,664
Total assets	$	1,181,698	$	310,075	$	871,623