DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 85,685,000	$ 97,153,000
Customer Prescription Files [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 68,434,000	76,697,000
Customer Prescription Files [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets useful life	4 years
Customer Prescription Files [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets useful life	7 years
Non-Compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 7,875,000	10,417,000
Non-Compete Agreements [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets useful life	3 years
Non-Compete Agreements [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets useful life	15 years
Software [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 1,845,000	1,765,000
Intangible assets useful life	3 years
Referral and Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 117,000	817,000
Intangible assets useful life	2 years
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 7,300,000	7,300,000
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 114,000	$ 157,000