Cash, Cash Equivalents and Investments (Tables)

6 Months Ended

Jul. 02, 2011

Cash, Cash Equivalents and Investments

Schedule of cash, cash equivalents, and investments

	July 2, 2011
	Cost		Gross Unrealized Losses			Gross Unrealized Gains		Fair Value
Cash and Cash Equivalents:
Cash on hand	$	34,590						$	34,590
Available-for-sale securities:
Money market funds	98,736		$	—		$	—	98,736
U.S. government agency	1,000		(2		)	—		998
U.S. Treasury bills	500		—			—		500
Total available-for-sale securities	100,236		(2		)	—		100,234
Total cash and cash equivalents	$	134,826	$	(2	)	$	—	$	134,824
Short-term Investments:
Available-for-sale securities:
Corporate bonds	$	80,806	$	(17	)	$	443	$	81,232
Municipal bonds	47,342		(3		)	115		47,454
Variable-rate demand notes	36,725		—			—		36,725
U.S. Treasury bills	11,898		—			—		11,898
U.S. government agency	10,043		—			27		10,070
International government bonds	7,815		(1		)	5		7,819
Commercial paper	1,998		—			—		1,998
Certificates of deposit	1,570		—			—		1,570
Total short-term investments	$	198,197	$	(21	)	$	590	$	198,766
Long-term Investments:
Available-for-sale securities:
Auction rate securities	$	19,425	$	(2,229	)	$	—	$	17,196
Total long-term investments	$	19,425	$	(2,229	)	$	—	$	17,196

	January 1, 2011
	Cost		Gross Unrealized Losses			Gross Unrealized Gains		Fair Value
Cash and Cash Equivalents:
Cash on hand	$	40,644						$	40,644
Available-for-sale securities:
U.S. Treasury bills	50,096		$	—		$	1	50,097
Money market funds	45,167		—			—		45,167
Commercial paper	2,659		—			—		2,659
Total available-for-sale securities	97,922		—			1		97,923
Total cash and cash equivalents	$	138,566	$	—		$	1	$	138,567
Short-term Investments:
Available-for-sale securities:
Corporate bonds	$	88,183	$	(46	)	$	381	$	88,518
Variable-rate demand notes	39,425		—			—		39,425
Municipal bonds	38,408		(18		)	24		38,414
U.S. government agency	34,635		(5		)	50		34,680
International government bonds	10,792		—			38		10,830
U.S. Treasury bills	6,998		—			1		6,999
Certificates of deposit	5,744		(2		)	—		5,742
Commercial paper	2,687		—			—		2,687
Total short-term investments	$	226,872	$	(71	)	$	494	$	227,295
Long-term Investments:
Available-for-sale securities:
Auction rate securities	$	19,725	$	(2,225	)	$	—	$	17,500
Total long-term investments	$	19,725	$	(2,225	)	$	—	$	17,500

Schedule of available-for-sale securities in continuous unrealized loss position by length of time

	Less Than 12 Months					12 Months or Greater					Total
As of July 2, 2011	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Auction rate securities	$	—	$	—		$	17,196	$	(2,229	)	$	17,196	$	(2,229	)
Municipal bonds	6,354		(3		)	—		—			6,354		(3		)
Corporate bonds	6,279		(17		)	—		—			6,279		(17		)
International government bonds	5,014		(1		)	—		—			5,014		(1		)
U.S. government agency	6,003		(2		)	—		—			6,003		(2		)
	$	23,650	$	(23	)	$	17,196	$	(2,229	)	$	40,846	$	(2,252	)

	Less Than 12 Months					12 Months or Greater					Total
As of January 1, 2011	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Municipal bonds	$	22,272	$	(18	)	$	—	$	—		$	22,272	$	(18	)
Corporate bonds	17,538		(44		)	1,298		(2		)	18,836		(46		)
Auction rate securities	—		—			17,500		(2,225		)	17,500		(2,225		)
U.S. government agency	17,007		(5		)	—		—			17,007		(5		)
Certificates of deposit	1,569		(2		)	—		—			1,569		(2		)
	$	58,386	$	(69	)	$	18,798	$	(2,227	)	$	77,184	$	(2,296	)

Summarization of contractual underlying maturities of available-for-sale investments

	Cost		Fair Value
Due in one year or less	$	199,095	$	199,279
Due after one year through ten years	63,813		64,196
Due after ten years	54,950		52,721
	$	317,858	$	316,196