Fair Value Measurements - Assets at Fairvalue - (Tables)

3 Months Ended

12 Months Ended

Apr. 30, 2016

Jan. 30, 2016

Fair Value Measurements [Abstract]

Fair Value Disclosures

			Quoted
			Prices in
			Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
		April 30, 2016	Assets		Inputs		Inputs
Description			Level 1		Level 2		Level 3
Assets:
State/Municipal Bonds	$	207,580	$	-	$	207,580	$	-
Corporate Bonds		23,882		-		23,882		-
U.S. Treasury Notes		3,005		3,005		-		-
Cash Surrender Value of Life Insurance		7,452		-		-		7,452
Asset-backed Securities (ABS)		10,909		-		10,909		-
Corporate Equities		607		607		-		-
Certificates of Deposit		100		100		-		-
Total Assets	$	253,535	$	3,712	$	242,371	$	7,452
Liabilities:
Deferred Compensation		(7,313)		-		-		(7,313)
Total Liabilities	$	(7,313)	$	-	$	-	$	(7,313)

			Quoted
			Prices in
			Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
		January 30, 2016	Assets		Inputs		Inputs
Description			Level 1		Level 2		Level 3
Assets:
State/Municipal Bonds	$	193,500	$	-	$	193,500	$	-
Corporate Bonds		10,941		-		10,941		-
U.S. Treasury Notes		1,203		1,203		-		-
Cash Surrender Value of Life Insurance		6,409		-		-		6,409
Asset-backed Securities (ABS)		11,054		-		11,054		-
Corporate Equities		578		578		-		-
Certificates of Deposit		100		100		-		-
Total Assets	$	223,785	$	1,881	$	215,495	$	6,409
Liabilities:
Deferred Compensation		(6,187)		-		-		(6,187)
Total Liabilities	$	(6,187)	$	-	$	-	$	(6,187)