Fair Value Measurements (Tables)

6 Months Ended

Jul. 01, 2016

Fair Value Disclosures [Abstract]

Financial Assets and Liabilities Measured at Fair Value Based on Three-Tier Fair Value Hierarchy

The following table sets forth the fair value of the Company’s financial assets and liabilities measured at fair value on a recurring basis based on the three-tier fair value hierarchy (in thousands):

	Level 1		Level 2		Level 3		Total
As of July 1, 2016
Cash equivalents
Money market funds	$	8,433	$	—	$	—	$	8,433
Short-term investments
Corporate bonds	—		13,760		—		13,760
Prepaids and other current assets
Time deposit pledged for credit card facility	—		580		—		580
Derivative assets	—		59		—		59
Other assets
Long-term investment	1,810		—		—		1,810
Total assets measured and recorded at fair value	$	10,243	$	14,399	$	—	$	24,642
Accrued liabilities
Derivative liabilities	—		125		—		125
Total liabilities measured and recorded at fair value	$	—	$	125	$	—	$	125
	Level 1		Level 2		Level 3		Total
As of December 31, 2015
Cash equivalents
Money market funds	$	53,434	$	—	$	—	$	53,434
U.S. Treasury bills	24,998		—		—		24,998
Short-term investments
Corporate bonds	—		25,505		—		25,505
Commercial paper	—		1,099		—		1,099
Prepaids and other current assets
Time deposit pledged for credit card facility	—		580		—		580
Derivative assets	—		113		—		113
Other assets
Long-term investment	1,840		—		—		1,840
Total assets measured and recorded at fair value	$	80,272	$	27,297	$	—	$	107,569
Accrued liabilities
Derivative liabilities	$	—	$	371	$	—	$	371
Total liabilities measured and recorded at fair value	$	—	$	371	$	—	$	371