Fair Value Measurements (Tables)

6 Months Ended

Jul. 04, 2015

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 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):



	July 4, 2015
	Level 1		Level 2		Level 3		Total
Marketable debt securities – current
U.S. Treasury securities	$	15,012	$	—	$	—	$	15,012
Corporate bonds	—		15,059		—		15,059
U.S. Agency bonds	—		15,011		—		15,011
Municipal bonds	—		9,804		—		9,804
Commercial paper	—		7,493		—		7,493
	15,012		47,367		—		62,379
Marketable debt securities – non-current
U.S. Treasury securities	7,515		—		—		7,515
Corporate bonds	—		12,627		—		12,627
U.S. Agency bonds	—		7,530		—		7,530
Municipal bonds	—		1,079		—		1,079
	7,515		21,236		—		28,751
	$	22,527	$	68,603	$	—	$	91,130



	January 3, 2015
	Level 1		Level 2		Level 3		Total
Marketable debt securities – current
U.S. Treasury securities	$	17,506	$	—	$	—	$	17,506
Corporate bonds	—		20,139		—		20,139
U.S. Agency bonds	—		12,525		—		12,525
Commercial paper	—		12,486		—		12,486
Municipal bonds	—		6,953		—		6,953
	17,506		52,103		—		69,609
Marketable debt securities – non-current
U.S. Treasury securities	14,990		—		—		14,990
Corporate bonds	—		15,236		—		15,236
U.S. Agency bonds	—		10,014		—		10,014
Municipal bonds	—		4,201		—		4,201
	14,990		29,451		—		44,441
	$	32,496	$	81,554	$	—	$	114,050