Marketable Securities

3 Months Ended

Mar. 29, 2015

Investments, Debt and Equity Securities [Abstract]

Marketable Securities

MARKETABLE SECURITIES

Our marketable debt securities consisted of the following:

(In thousands)	March 29, 2015		December 28, 2014
Short-term marketable securities
Marketable debt securities
U.S Treasury securities	$	89,926	$	238,488
Corporate debt securities	183,842		208,346
U.S. agency securities	24,013		32,009
Municipal securities	5,294		13,622
Certificates of deposit	85,245		109,293
Commercial paper	9,997		34,985
Total short-term marketable securities	$	398,317	$	636,743
Long-term marketable securities
Marketable debt securities
Corporate debt securities	$	74,605	$	71,191
U.S. agency securities	108,693		95,204
Municipal securities	—		1,425
Total long-term marketable securities	$	183,298	$	167,820

As of March 29, 2015, our short-term and long-term marketable securities had remaining maturities of less than 1 month to 12 months and 14 months to 36 months, respectively. See Note 8 for additional information regarding the fair value of our marketable securities.