Employee Benefit Plans and Employment Agreements (Details) $ in Millions	1 Months Ended	12 Months Ended
	Jul. 31, 2013 item	Jan. 30, 2016 USD ($)	Jan. 31, 2015 USD ($)	Feb. 01, 2014 USD ($)
Minimum employee contribution as a percent of gross pay		1.00%
Maximum employee contribution as a percent of gross pay		60.00%
Defined contribution plan company match, cost recognized | $		$ 0.5	$ 0.5	$ 0.2
Severance payments to executive officer, in months		12 months
Highest annual salary measurement period		12 months
Health and dental premium payment period, in months		12 months
Period of Non-Compete		12 months
Number of additional executive officers included | item	1
Term of Retention Award	1 year
Change in Control [Member]
Period, prior to change in control, when severance payments are adjusted		180 days
Period, after change in control, when severance payments are adjusted		12 months
Salary period for retention payment	12 months
Change in Control [Member] | Executive Vice President [Member]
Severance payments to executive officer, in months		18 months
Highest annual salary measurement period		12 months
Health and dental premium payment period, in months		18 months
Multiple applied to bonus		1.5
Change in Control [Member] | Senior Vice Presidents and Vice President, Controller
Severance payments to executive officer, in months		12 months
Highest annual salary measurement period		12 months
Health and dental premium payment period, in months		12 months
Multiple applied to bonus		1.0