Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2016

Fair Value Disclosures [Abstract]

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 September 30, 2016 are classified using the fair value hierarchy in the table below:

	Total		Level 1		Level 2
	(In thousands)
Assets
Cash equivalents:
Money market funds	$	226,451	$	226,451	$	—
Time deposits	315,600		—		315,600
Derivatives:
Foreign currency forward contracts	558		—		558
Investments:
Time deposits	19,327		—		19,327
Corporate debt securities	69,936		—		69,936
Total assets	$	631,872	$	226,451	$	405,421

Financial assets measured at fair value on a recurring basis as of December 31, 2015 are classified using the fair value hierarchy in the table below:

	Total		Level 1		Level 2
	(In thousands)
Assets
Cash equivalents:
Money market funds	$	218,340	$	218,340	$	—
Time deposits	29,126		—		29,126
Derivatives:
Foreign currency forward contracts	8,045		—		8,045
Investments:
Corporate debt securities	98,403		—		98,403
Total assets	$	353,914	$	218,340	$	135,574