Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of weeks in fiscal year	364 days	364 days	364 days
Number of weeks in fiscal year	P52W	P52W	P52W
Accounts receivable reserves for estimated uncollectible amounts	$ 6,022	$ 6,870
Net receivables due from customers under the ValuePay installment program	91,839	108,921
Provision for doubtful accounts	11,949	11,795	$ 13,007
Purchasing and receiving costs	9,557	10,730	10,984
Restricted cash and investments	450	450
Inventory obsolescence provision write downs	5,589	7,172	3,838
Marketing and advertising costs	3,723	3,300	$ 1,946
Credit Facilities	$ 85,388	$ 72,414