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FAIR VALUE MEASUREMENTS (Changes in Fair Value) (Details) - Fair Value Measurements, Recurring [Member] - USD ($) $ in Thousands	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Level 3 securities, beginning of year	$ 1,555	$ 1,625
Realized gains (losses) on Level 3 securities included in net income	0	0
Unrealized gains (losses) on Level 3 securities included in other comprehensive income	120	5
Sales of Level 3 securities	(1,675)	(75)
Balance, Level 3 securities, end of year	0	1,555
Auction-rate securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Level 3 securities, beginning of year	1,555	1,625
Realized gains (losses) on Level 3 securities included in net income	0	0
Unrealized gains (losses) on Level 3 securities included in other comprehensive income	120	5
Sales of Level 3 securities	(1,675)	(75)
Balance, Level 3 securities, end of year	0	1,555
Mutual funds [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, Level 3 securities, beginning of year	0	0
Realized gains (losses) on Level 3 securities included in net income	0	0
Unrealized gains (losses) on Level 3 securities included in other comprehensive income	0	0
Sales of Level 3 securities	0	0
Balance, Level 3 securities, end of year	$ 0	$ 0

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of gain (loss) recognized in the income statement for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
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- Definition

Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1a)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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- Definition

Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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- Definition

Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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