INVESTMENTS (Held-To-Maturity Securities) (Details) - State and municipal bonds [Member] - USD ($) $ in Thousands	Jan. 28, 2017	Jan. 30, 2016
Contractual maturities of held-to-maturity securities, at amortized cost:
Less than 1 year, Amortized Cost	$ 49,994
1 - 5 years, Amortized Cost	3,330
Held-to-Maturity Securities, Amortized Cost	53,324
Contractual maturities of held-to-maturity securities, at fair values:
Less than 1 year, Fair Value	49,982
1 - 5 years, Fair Value	3,334
Held-to-Maturity Securities, Estimated Fair Value	$ 53,316	$ 50,123