Marketable Securities (Tables)

6 Months Ended

Jun. 25, 2011

Marketable Securities

Schedule of marketable securities by major security type

	June 25, 2011
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Time deposits	$	11,780	$	—	$	—		$	11,780
Auction rate securities		11,972		—		(733	)		11,239
	$	23,752	$	—	$	(733	)	$	23,019

	December 25, 2010
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Time deposits	$	9,834	$	—	$	—		$	9,834
Auction rate securities		11,974		—		(597	)		11,377
	$	21,808	$	—	$	(597	)	$	21,211

Schedule of maturities of debt securities

	June 25, 2011				December 25, 2010
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due less than one year	$	11,780	$	11,780	$	9,834	$	9,834
Due after one year through five years		—		—		—		—
Due after ten years		11,972		11,239		11,974		11,377
	$	23,752	$	23,019	$	21,808	$	21,211