Income Taxes (Details 4) - USD ($) $ in Thousands	12 Months Ended
Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Changes that occurred in the amount of gross unrecognized tax benefit excluding interest and penalties
Beginning balance	$ 13,640	$ 10,900	$ 4,527
Additions:
Tax positions related to the prior year	496	4,224	0
Tax positions related to the current year	1,516	1,722	7,501
Reductions:
Tax positions related to the prior year	(1,650)	(55)	(1,128)
Tax positions related to the current year	(359)	(91)	0
Settlements	(505)	(599)	0
Expiration of statutes of limitation	(553)	(2,461)	0
Ending balance	12,585	13,640	$ 10,900
Amount of unrecognized tax benefit (net of federal benefit on state issues) which, if ultimately recognized, may reduce our future annual effective tax rate	11,100
Aggregate accruals for uncertain tax positions, including penalties and interest	13,900	14,400
Interest and penalties related to uncertain tax positions	600	300
Accrued interest and penalties related to uncertain tax positions	$ 1,300	$ 700
Earliest tax year
Income Tax Contingency [Line Items]
Open tax year still subject to examination	2009

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Tax year that remains open to examination under enacted tax laws, in CCYY format.

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-Name Accounting Standards Codification
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-Section 50
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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