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Fair Value Measurements - Assets at Fairvalue - (Tables)

3 Months Ended

Oct. 27, 2012

Fair Value Measurements [Abstract]

Fair Value Disclosures

						Quoted
						Prices in
						Active			Significant
						Markets for			Other			Significant
						Identical			Observable			Unobservable
			October 27, 2012			Assets			Inputs			Inputs
Description						Level 1			Level 2			Level 3
State/Municipal Bonds		$	177,774		$	-		$	177,774		$	-
Corporate Bonds			15,414			-			15,414			-
Auction Rate Securities (ARS)			3,450			-			-			3,450
Variable Rate Demand Notes (VRDN)			10,495			10,495			-			-
US Treasury Notes			3,203			3,203			-			-
Privately Managed Funds			767			-			-			767
Corporate Equities			462			462			-			-
Certificates of Deposit			100			100			-			-
Total		$	211,665		$	14,260		$	193,188		$	4,217

						Quoted
						Prices in
						Active			Significant
						Markets for			Other			Significant
						Identical			Observable			Unobservable
			January 28, 2012			Assets			Inputs			Inputs
Description						Level 1			Level 2			Level 3
State/Municipal Bonds		$	152,650		$	-		$	152,650		$	-
Corporate Bonds			27,732			-			27,732			-
Auction Rate Securities (ARS)			3,450			-			-			3,450
Variable Rate Demand Notes (VRDN)			26,472			26,472			-			-
U.S. Treasury Notes			3,174			3,174			-			-
Privately Managed Funds			1,604			-			-			1,604
Corporate Equities			443			443			-			-
Certificates of Deposit			100			100			-			-
Total		$	215,625		$	30,189		$	180,382		$	5,054

NOTE 7 – FAIR VALUE MEASUREMENTS (CONTINUED):
						Quoted
						Prices in
						Active			Significant
						Markets for			Other			Significant
						Identical			Observable			Unobservable
			October 29, 2011			Assets			Inputs			Inputs
Description						Level 1			Level 2			Level 3
State/Municipal Bonds		$	146,936		$	-		$	146,936		$	-
Corporate Bonds			29,670			-			29,670			-
Auction Rate Securities (ARS)			3,450			-			-			3,450
Variable Rate Demand Notes (VRDN)			30,439			30,439			-			-
US Treasury Notes			1,421			1,421			-			-
Privately Managed Funds			1,910			-			-			1,910
Corporate Equities			481			481			-			-
Certificates of Deposit			100			100			-			-
Total		$	214,407		$	32,441		$	176,606		$	5,360

X

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring and/or nonrecurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 6

-Footnote 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 32

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a),(b)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

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