Fair Value Measurements (Tables)

9 Months Ended

Oct. 01, 2016

Fair Value Disclosures [Abstract]

Assets and Liabilities that are Measured at Fair Value on a Recurring Basis

The following tables set forth by level within the fair value hierarchy, our financial assets at October 1, 2016 and January 2, 2016, that were accounted for at fair value on a recurring basis, according to the valuation techniques we used to determine their fair value (in thousands):

	October 1, 2016
	Level 1		Level 2		Level 3		Total
Marketable debt securities – current
Corporate bonds	$	—	$	3,212	$	—	$	3,212
U.S. Treasury securities	2,004		—		—		2,004
Commercial paper	—		747		—		747
	$	2,004	$	3,959	$	—	$	5,963

	January 2, 2016
	Level 1		Level 2		Level 3		Total
Marketable debt securities – current
Municipal bonds	$	—	$	4,055	$	—	$	4,055
Corporate bonds	—		2,512		—		2,512
	—		6,567		—		6,567
Marketable debt securities – non-current
Corporate bonds	—		5,001		—		5,001
U.S. Agency bonds	—		2,496		—		2,496
Municipal bonds	—		1,056		—		1,056
	—		8,553		—		8,553
	$	—	$	15,120	$	—	$	15,120