Description of Business and Summary of Significant Accounting Policies - Schedule of Other Identifiable Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 21,463	$ 34,347
Customer Prescription Files [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 18,743	27,828
Intangible assets useful life	7 years
Non-Compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 2,334	5,356
Non-Compete Agreements [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets useful life	3 years
Non-Compete Agreements [Member] | Maximum
Finite-Lived Intangible Assets [Line Items]
Intangible assets useful life	15 years
Software [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 386	1,048
Intangible assets useful life	3 years
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net		$ 115