Fair Value Measurements (Tables)

6 Months Ended

Jul. 03, 2016

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following table summarizes the financial assets and liabilities required to be measured at fair value on a recurring basis as of July 3, 2016 (in thousands):

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant  Other Observable Inputs (Level 2)		Unobservable Inputs (Level 3)
Assets:
Money market instruments	$	7,178	$	—	$	—
Corporate bonds	—		248,922		—
Treasury bills	—		110,979		—
Asset-backed securities	—		105,185		—
Euro liquidity fund	—		48,941		—
Sovereign bonds	—		48,181		—
Agency bonds	—		31,781		—
Municipal bonds	—		7,365		—
Cash flow hedge forward contracts	—		205		—
Liabilities:
Cash flow hedge forward contracts	—		757		—
Economic hedge forward contracts	—		26		—
Contingent consideration liability	—		—		2,200

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation

The following table summarizes the activity for the Company's liability measured at fair value using Level 3 inputs for the six-month period ended July 3, 2016 (in thousands):

Balance as of December 31, 2015	$	3,000
Payment of contingent consideration	(337		)
Fair value adjustment to the contingent consideration	(463		)
Balance as of July 3, 2016	$	2,200