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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Number of share options (or share units) exercised during the current period.

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STOCK-BASED COMPENSATION (Details 2) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended		12 Months Ended
	May 02, 2015	May 03, 2014	Feb. 01, 2014
Stock-based compensation
Allocated Share-based Compensation Expense	$ 3,868,000	$ 3,062,000
Vesting period (in years)	1 year	3 years
Cost of Sales [Member]
Stock-based compensation
Allocated Share-based Compensation Expense	500,000	500,000
Employee Stock Option [Member]
Number of Options
Options outstanding at the beginning of the period (in shares)	30
Exercised (in shares)	(15)
Options exercisable (in shares)	15
Weighted Average Exercise Price
Options outstanding at the beginning of the period (in dollars per share)	$ 29.05
Exercised (in dollars per share)	$ 29.05
Options outstanding at the end of the period (in dollars per share)	$ 29.05
Weighted Average Remaining Contractual Life (in years)
Options outstanding at the beginning of the period (in years)	3 years 0 months 12 days		3 years 3 months 12 days
Options outstanding at the end of the period (in years)	3 years 0 months 12 days		3 years 3 months 12 days
Aggregate Intrinsic Value
Options outstanding at the beginning of the period (in dollars)	927,000
Exercised (in dollars)	455,000
Options outstanding at the end of the period (in dollars)	496,000
Restricted Stock Units (RSUs) [Member]
Stock-based compensation
Allocated Share-based Compensation Expense	3,217,000	2,983,000
Performance Awards Member
Stock-based compensation
Allocated Share-based Compensation Expense	651,000	79,000
Percentage of Target Shares paid out if final operating income below threshold (as a percent)	100.00%
Unvested awards at the beginning of the period (in shares)	345
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	106
Vested (in shares)	(147)
Forfeited (in shares)	(2)
Unvested awards at the end of the period (in shares)	302
Weighted Average Grant Date Fair Value
Unvested awards at the beginning of the period (in dollars per share)	$ 50.18
Granted (in shares)	$ 66.38
Vested (in dollars per share)	$ 48.02
Forfeited (in dollars per share)	$ 49.16
Unvested awards at the end of the period (in dollars per share)	$ 56.96
Unrecognized costs and period of recognition
Unrecognized stock-based compensation expense (in dollars)	$ 12,600,000
Weighted average period for recognition of unrecognized stock-based compensation expense (in years)	2 years 5 months 12 days