Investments And Restricted Investments (Tables)

9 Months Ended

Oct. 27, 2012

Investments And Restricted Investments [Abstract]

Amortized Cost And Fair Value Of Available-For-Sale Securities

The amortized cost and fair value of the Company’s available-for-sale securities as of October 27, 2012 were:

($000)	Amortized cost		Unrealized gains		Unrealized losses			Fair value		Short-term		Long-term
Investments
Corporate securities	$	5,102	$	507	$	(18	)	$	5,591	$	1,413	$	4,178
Mortgage-backed securities	321		18		—			339		120		219
Total investments	5,423		525		(18		)	5,930		1,533		4,397
Restricted Investments
Corporate securities	1,358		52		—			1,410		1,290		120
U.S. government and agency securities	3,754		432		—			4,186		—		4,186
Total restricted investments	5,112		484		—			5,596		1,290		4,306
Total	$	10,535	$	1,009	$	(18	)	$	11,526	$	2,823	$	8,703

The amortized cost and fair value of the Company's available-for-sale securities as of January 28, 2012 were:

($000)	Amortized cost		Unrealized gains		Unrealized losses			Fair value		Short-term		Long-term
Investments
Corporate securities	$	5,080	$	501	$	(78	)	$	5,503	$	401	$	5,102
Mortgage-backed securities	728		29		—			757		257		500
Total investments	5,808		530		(78		)	6,260		658		5,602
Restricted Investments
Corporate securities	1,357		94		—			1,451		—		1,451
U.S. government and agency securities	3,769		431		—			4,200		—		4,200
Total restricted investments	$	5,126	$	525	$	—		$	5,651	$	—	$	5,651
Total	10,934		1,055		(78		)	11,911		658		11,253

The amortized cost and fair value of the Company’s available-for-sale securities as of October 29, 2011 were:

($000)	Amortized cost		Unrealized gains		Unrealized losses			Fair value		Short-term		Long-term
Investments
Corporate securities	$	5,079	$	443	$	(72	)	$	5,450	$	—	$	5,450
Mortgage-backed securities	800		32		—			832		298		534
Total investments	5,879		475		(72		)	6,282		298		5,984
Restricted Investments
Corporate securities	1,357		95		—			1,452		—		1,452
U.S. government and agency securities	3,774		325		—			4,099		—		4,099
Total restricted investments	5,131		420		—			5,551		—		5,551
Total	$	11,010	$	895	$	(72	)	$	11,833	$	298	$	11,535

Investments And Restricted Investments

Investments and restricted investments measured at fair value at October 27, 2012 are summarized below:

			Fair Value Measurements at Reporting Date
	October 27, 2012		Quoted prices in active markets for identical assets		Significant other observable inputs		Significant unobservable inputs
($000)			(Level 1)		(Level 2)		(Level 3)
Investments
Corporate securities	$	5,591	$	—	$	5,591	$	—
Mortgage-backed securities	339		—		339		—
Total investments	5,930		—		5,930		—
Restricted Investments
Corporate securities	1,410		—		1,410		—
U.S. government and agency securities	4,186		4,186		—		—
Total restricted investments	5,596		4,186		1,410		—
Total	$	11,526	$	4,186	$	7,340	$	—

Investments and restricted investments measured at fair value at January 28, 2012 are summarized below:

			Fair Value Measurements at Reporting Date
	January 28, 2012		Quoted prices in active markets for identical assets		Significant other observable inputs		Significant unobservable inputs
($000)			(Level 1)		(Level 2)		(Level 3)
Investments
Corporate securities	$	5,503	$	—	$	5,503	$	—
Mortgage-backed securities	757		—		757		—
Total investments	6,260		—		6,260		—
Restricted Investments
Corporate securities	1,451		—		1,451		—
U.S. government and agency securities	4,200		4,200		—		—
Total restricted investments	5,651		4,200		1,451		—
Total	$	11,911	$	4,200	$	7,711	$	—

Investments and restricted investments measured at fair value at October 29, 2011 are summarized below:

			Fair Value Measurements at Reporting Date
	October 29, 2011		Quoted prices in active markets for identical assets		Significant other observable inputs		Significant unobservable inputs
($000)			(Level 1)		(Level 2)		(Level 3)
Investments
Corporate securities	$	5,450	$	—	$	5,450	$	—
Mortgage-backed securities	832		—		832		—
Total investments	6,282		—		6,282		—
Restricted Investments
Corporate securities	1,452		—		1,452		—
U.S. government and agency securities	4,099		4,099		—		—
Total restricted investments	5,551		4,099		1,452		—
Total	$	11,833	$	4,099	$	7,734	$	—

Maturities Of Investment And Restricted Investment Securities

	Investments				Restricted Investments
($000)	Cost basis		Estimated fair value		Cost basis		Estimated fair value
Maturing in one year or less	$	1,503	$	1,533	$	1,249	$	1,290
Maturing after one year through five years	2,821		3,040		253		268
Maturing after five years through ten years	1,099		1,357		3,610		4,038
	$	5,423	$	5,930	$	5,112	$	5,596