Fair Value Measurements (Tables)

3 Months Ended

Mar. 27, 2016

Fair Value Disclosures [Abstract]

Summary Of Assets And Liabilities Measured At Fair Value On A Recurring Basis

The following tables present information about the Company’s assets and liabilities measured at fair value on a recurring basis (in thousands):

	March 27, 2016
	Balance		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents	$	531,823	$	426,700	$	105,123	$	—
Marketable securities	83,689		38,567		45,122		—
Derivatives	3,651		—		3,651		—
	$	619,163	$	465,267	$	153,896	$	—
Liabilities:
Derivatives	$	3,176	$	—	$	3,176	$	—
	December 31, 2015
	Balance		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents	$	555,910	$	390,706	$	165,204	$	—
Marketable securities	81,448		36,256		45,192		—
Derivatives	16,235		—		16,235		—
	$	653,593	$	426,962	$	226,631	$	—
Liabilities:
Derivatives	$	1,300	$	—	$	1,300	$	—
	March 29, 2015
	Balance		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents	$	975,411	$	510,090	$	465,321	$	—
Marketable securities	94,886		37,667		57,219		—
Derivatives	49,290		—		49,290		—
	$	1,119,587	$	547,757	$	571,830	$	—
Liabilities:
Derivatives	$	1,886	$	—	$	1,886	$	—