Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2014

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, 2014 are classified using the fair value hierarchy in the table below:

	Total		Level 1		Level 2
	(In thousands)
Assets
Cash equivalents:
Money market funds	$	161,059	$	161,059	$	—
Time deposits		298,968		—		298,968
Restricted cash:
Time deposits		19,980		—		19,980
Derivatives:
Foreign currency forward contracts		9,176		—		9,176
Investments:
Time deposits		312,762		—		312,762
Corporate debt securities		142,575		—		142,575
Total assets	$	944,520	$	161,059	$	783,461

Financial assets and liabilities measured at fair value on a recurring basis as of December 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	$	229,425	$	229,425	$	—
Time deposits		138,956		—		138,956
Restricted cash:
Time deposits		17,085		—		17,085
Derivatives:
Foreign currency forward contracts		2,225		—		2,225
Investments:
Time deposits		258,308		—		258,308
Corporate debt securities		200,386		—		200,386
Total assets	$	846,385	$	229,425	$	616,960