Fair Value Measurements of Assets and Liabilities (Tables)

6 Months Ended

Jun. 28, 2015

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

Following are the disclosures related to the fair value of our financial assets and (liabilities) (in thousands):

June 28, 2015	Level 1		Level 2		Level 3		Total
Available for sale marketable securities:
U.S. Government-backed securities	$	27,596	$	—	$	—	$	27,596
Agency bonds	—		56,605		—		56,605
Commercial paper	—		—		—		—
Certificates of deposit	—		19,763		—		19,763
Municipal bonds	—		10,625		—		10,625
Corporate bonds	—		10,730		—		10,730
Trading securities:
Equity securities – mutual funds	8,296		—		—		8,296
Derivative contracts, net	—		2,775		—		2,775
Total	$	35,892	$	100,498	$	—	$	136,390

December 31, 2014	Level 1		Level 2			Level 3		Total
Available for sale marketable securities:
U.S. treasury notes	$	17,608	$	—		$	—	$	17,608
Agency bonds	—		51,951			—		51,951
Commercial paper	—		13,500			—		13,500
Certificates of deposit	—		19,122			—		19,122
Municipal bonds	—		27,119			—		27,119
Corporate bonds	—		10,902			—		10,902
Trading securities:
Equity securities – mutual funds	7,351		—			—		7,351
Derivative contracts, net	—		(2,739		)	—		(2,739		)
Total	$	24,959	$	119,855		$	—	$	144,814