Income Taxes - (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended 3 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Aug. 02, 2014
Feb. 02, 2013
Operating Loss Carryforwards [Line Items]        
Foreign deferred tax asset $ 0.4 $ 0.4    
Valuation allowance   0.4    
Change in valuation allowance 0.3 0.4    
Tax credit carryforward   0.2    
Unrecognized tax benefits that would impact effective tax rate 1.7 4.1   2.3
Accrued interest on unrecognized benefits 0.1 0.2    
Resolution of federal and state tax examinations could reduce the Company's unrecognized tax benefits 0.1      
IRS [Member]        
Operating Loss Carryforwards [Line Items]        
Uncertain tax positions     2.1  
Interest accrued     $ 0.1