Fair Value Measurements (Tables)

3 Months Ended

Apr. 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):



	April 4, 2015
	Level 1		Level 2		Level 3		Total
Marketable debt securities – current
U.S. Treasury securities	$	17,510	$	—	$	—	$	17,510
Corporate bonds	—		20,118		—		20,118
Commercial paper	—		14,987		—		14,987
U.S. Agency bonds	—		12,521		—		12,521
Municipal bonds	—		9,899		—		9,899
	17,510		57,525		—		75,035
Marketable debt securities – non-current
U.S. Treasury securities	15,021		—		—		15,021
Corporate bonds	—		12,683		—		12,683
U.S. Agency bonds	—		10,034		—		10,034
Municipal bonds	—		3,136		—		3,136
	15,021		25,853		—		40,874
	$	32,531	$	83,378	$	—	$	115,909



	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