Fair Value Measurements (Tables)

6 Months Ended

Jul. 03, 2015

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 based on the three-tier fair value hierarchy (in thousands):

	Level 1		Level 2		Level 3		Total
As of July 3, 2015
Cash equivalents
Money market funds	$	25,956	$	—	$	—	$	25,956
Short-term investments
State, municipal and local government agencies bonds	—		8,872		—		8,872
Corporate bonds	—		20,162		—		20,162
Prepaids and other current assets
Derivative assets	—		682		—		682
Other assets
Long-term investment	3,574		—		—		3,574
Total assets measured and recorded at fair value	$	29,530	$	29,716	$	—	$	59,246
Accrued liabilities
Derivative liabilities	$	—	$	81	$	—	$	81
Total liabilities measured and recorded at fair value	$	—	$	81	$	—	$	81
	Level 1		Level 2		Level 3		Total
As of December 31, 2014
Cash equivalents
Money market funds	$	23,121	$	—	$	—	$	23,121
Short-term investments
State, municipal and local government agencies bonds	—		13,961		—		13,961
Corporate bonds	—		17,886		—		17,886
Prepaids and other current assets
Derivative assets	—		341		—		341
Other assets
Long-term investment	2,606		—		—		2,606
Total assets measured and recorded at fair value	$	25,727	$	32,188	$	—	$	57,915
Accrued liabilities
Derivative liabilities	$	—	$	7	$	—	$	7
Total liabilities measured and recorded at fair value	$	—	$	7	$	—	$	7