Investments And Restricted Investments (Tables)

12 Months Ended

Jan. 31, 2015

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 January 31, 2015 were:

($000)	Amortized cost		Unrealized gains		Unrealized losses			Fair value		Short-term		Long-term
Investments
Corporate securities	$	3,298	$	243	$	(5	)	$	3,536	$	500	$	3,036
Mortgage-backed securities	69		5		—			74		—		74
Total investments	3,367		248		(5		)	3,610		500		3,110
Restricted Investments
U.S. government and agency securities	3,563		265		—			3,828		—		3,828
Total restricted investments	3,563		265		—			3,828		—		3,828
Total	$	6,930	$	513	$	(5	)	$	7,438	$	500	$	6,938

The amortized cost and fair value of the Company's available-for-sale securities as of February 1, 2014 were:

($000)	Amortized cost		Unrealized gains		Unrealized losses			Fair value		Short-term		Long-term
Investments
Corporate securities	$	3,298	$	325	$	(4	)	$	3,619	$	—	$	3,619
U.S. government and agency securities	12,005		1		—			12,006		12,006		—
Mortgage-backed securities	86		5		—			91		—		91
Total investments	15,389		331		(4		)	15,716		12,006		3,710
Restricted Investments
Corporate securities	110		5		—			115		115		—
U.S. government and agency securities	3,728		266		—			3,994		145		3,849
Total restricted investments	3,838		271		—			4,109		260		3,849
Total	$	19,227	$	602	$	(4	)	$	19,825	$	12,266	$	7,559

Investments And Restricted Investments

Investments and restricted investments measured at fair value at January 31, 2015 are summarized below:

	Fair Value Measurements at Reporting Date
	January 31, 2015		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	$	3,536	$	—	$	3,536	$	—
Mortgage-backed securities	74		—		74		—
Total investments	3,610		—		3,610		—
Restricted Investments
U.S. government and agency securities	3,828		3,828		—		—
Total restricted investments	3,828		3,828		—		—
Total	$	7,438	$	3,828	$	3,610	$	—

Investments and restricted investments measured at fair value at February 1, 2014 are summarized below:

	Fair Value Measurements at Reporting Date
	February 1, 2014		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	$	3,619	$	—	$	3,619	$	—
U.S. government and agency securities	12,006		12,006		—		—
Mortgage-backed securities	91		—		91		—
Total investments	15,716		12,006		3,710		—
Restricted Investments
Corporate securities	115		—		115		—
U.S. government and agency securities	3,994		3,994		—		—
Total restricted investments	4,109		3,994		115		—
Total	$	19,825	$	16,000	$	3,825	$	—

Maturities Of Investment And Restricted Investment Securities

The future maturities of investment and restricted investment securities at January 31, 2015 were:

	Investments				Restricted Investments
($000)	Cost basis		Estimated fair value		Cost basis		Estimated fair value
Maturing in one year or less	$	500	$	500	$	—	$	—
Maturing after one year through five years	2,867		3,110		3,563		3,828
Total	$	3,367	$	3,610	$	3,563	$	3,828

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The fair value measurement for funds with quoted market prices in active markets (Level 1) and for funds without quoted market prices in active markets (Level 2) are as follows:

($000)	2014		2013
Level 1	$	81,926	$	76,913
Level 2	12,128		11,356
Total	$	94,054	$	88,269