Fair Value Measurements (Tables)

3 Months Ended

Apr. 05, 2015

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 April 5, 2015 (in thousands):

	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)
Assets:
Money market instruments	$	1,240	$	—
Corporate bonds	—		241,634
Treasury bills	—		96,168
Asset-backed securities	—		77,840
Euro liquidity fund	—		62,045
Agency bonds	—		12,887
Sovereign bonds	—		11,645
Municipal bonds	—		6,699
Supranational bonds	—		1,902
Cash flow hedge forward contracts	—		327
Economic hedge forward contracts	—		7
Liabilities:
Cash flow hedge forward contracts	—		762
Economic hedge forward contracts	—		17