Income Taxes (Narrative) (Details)	12 Months Ended
	Jan. 28, 2017 USD ($)
Income Tax Disclosure [Abstract]
Accrual for uncertain tax, interest or penalties	$ 0
Minimum [Member]
Income Tax [Line Items]
State income taxes, statute of limitations period (years)	3 years
Maximum [Member]
Income Tax [Line Items]
State income taxes, statute of limitations period (years)	4 years