Marketable Securities Marketable Securities (Tables)

9 Months Ended

Sep. 29, 2013

Investments, Debt and Equity Securities [Abstract]

Components of marketable debt and equity securities

Our marketable debt and equity securities consisted of the following:

(In thousands)	September 29, 2013		December 30, 2012
Short-term marketable securities
Marketable debt securities
U.S Treasury securities	$	143,524	$	124,831
Corporate debt securities	79,331		—
U.S. agency securities	51,145		—
Municipal securities	45,495		—
Certificates of deposit	32,523		—
Commercial paper	30,777		9,989
Total short-term marketable securities	$	382,795	$	134,820
Long-term marketable securities
Marketable debt securities
Corporate debt securities	$	100,129	$	—
U.S. agency securities	53,537		—
Municipal securities	7,018		—
Total	160,684		—
Marketable equity security
Available-for-sale security	4,694		4,444
Total long-term marketable securities	$	165,378	$	4,444