Correction of Prior Period Error Parenthetical - (Details) - USD ($)	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015
Correct Accrual Landlord Insurance (Pretax)
QuantifyingMisstatementInCurrentYearFinancialStatementsLineItems
Correction Of Prior Period Error	$ 0	$ 1,200,000
Correct Federal Income Tax Accrual
QuantifyingMisstatementInCurrentYearFinancialStatementsLineItems
Correction Of Prior Period Error	0	1,100,000
Correct State Income Tax Accrual (Net Of Federal Income Tax)
QuantifyingMisstatementInCurrentYearFinancialStatementsLineItems
Correction Of Prior Period Error	$ 0	$ 600,000