INCOME TAXES (Details 5) (USD $)	12 Months Ended
Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
INCOME TAXES
Accrued interest related to uncertain tax positions	$ 800,000	$ 700,000
Amounts charged to income tax expense for interest and penalties	100,000	100,000	200,000
Summary of unrecognized tax benefits
Gross unrecognized tax benefits, beginning balance	2,930,000us-gaap_UnrecognizedTaxBenefits	3,917,000us-gaap_UnrecognizedTaxBenefits
Increase in tax positions for prior years		245,000
Decrease in tax positions for prior years	(1,000)	(7,000)
Increase in tax positions due to business combinations	16,982,000
Increase in tax positions for current year	124,000	212,000
Settlements	(7,000)	(1,052,000)
Lapse from statute of limitations	(252,000)	(385,000)
Gross unrecognized tax benefits, ending balance	19,776,000us-gaap_UnrecognizedTaxBenefits	2,930,000us-gaap_UnrecognizedTaxBenefits	3,917,000us-gaap_UnrecognizedTaxBenefits
Unrecognized tax benefits that would impact effective tax rate	17,900,000
Federal
NOL carryforwards
NOL carryforwards	23,400,000
Operating loss carryback	103,200,000
State
NOL carryforwards
NOL carryforwards	76,800,000
Foreign
NOL carryforwards
NOL carryforwards	$ 4,700,000

Amount of operating loss carryback, before tax effects, used to reduce taxable income for preceding periods.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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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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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of increase in unrecognized tax benefits resulting from acquisitions.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of interest expense accrued for an underpayment of income taxes.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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