Marketable Securities (Tables)

12 Months Ended

Dec. 29, 2013

Marketable Securities [Abstract]

Marketable Debt and Equity Securities

Our marketable debt and equity securities consisted of the following:

(In thousands)	December 29, 2013		December 30, 2012
Short-term marketable securities
Marketable debt securities
U.S Treasury securities	$	143,510	$	124,831
Corporate debt securities	78,991		—
U.S. agency securities	31,518		—
Municipal securities	48,035		—
Certificates of deposit	31,949		—
Commercial paper	30,877		9,989
Total short-term marketable securities	$	364,880	$	134,820
Long-term marketable securities
Marketable debt securities
Corporate debt securities	$	98,979	$	—
U.S. agency securities	73,697		—
Municipal securities	3,479		—
Total	176,155		—
Marketable equity security
Available-for-sale security	—		4,444
Total long-term marketable securities	$	176,155	$	4,444