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FAIR VALUE MEASUREMENTS (Recurring Basis) (Details) - USD ($) $ in Thousands | Feb. 02, 2019 | Feb. 03, 2018
--- | --- | ---
Mutual funds [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Trading securities (including mutual funds) | $ 13,978 | $ 15,154
Fair Value Measurements, Recurring [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Totals |  | 16,759
Fair Value Measurements, Recurring [Member] | Auction-rate securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-Sale Securities, Estimated Fair Value |  | 1,605
Fair Value Measurements, Recurring [Member] | Mutual funds [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Trading securities (including mutual funds) | 13,978 | 15,154
Fair Value Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Totals |  | 15,154
Fair Value Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Auction-rate securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-Sale Securities, Estimated Fair Value |  | 0
Fair Value Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Mutual funds [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Trading securities (including mutual funds) | 13,978 | 15,154
Fair Value Measurements, Recurring [Member] | Significant Observable Inputs (Level 2) [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Totals |  | 50
Fair Value Measurements, Recurring [Member] | Significant Observable Inputs (Level 2) [Member] | Auction-rate securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-Sale Securities, Estimated Fair Value |  | 50
Fair Value Measurements, Recurring [Member] | Significant Observable Inputs (Level 2) [Member] | Mutual funds [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Trading securities (including mutual funds) | 0 | 0
Fair Value Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Totals |  | 1,555
Fair Value Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Auction-rate securities [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Available-for-Sale Securities, Estimated Fair Value |  | 1,555
Fair Value Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Mutual funds [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Trading securities (including mutual funds) | $ 0 | $ 0

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