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STOCK-BASED COMPENSATION (Details 2) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended
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Aug. 03, 2013 | Jul. 28, 2012 | Aug. 03, 2013 | Jul. 28, 2012 | Aug. 03, 2013 Cost of Sales [Member] | Jul. 28, 2012 Cost of Sales [Member] | Aug. 03, 2013 Cost of Sales [Member] | Jul. 28, 2012 Cost of Sales [Member] | Aug. 03, 2013 Employee Stock Option [Member] | Feb. 02, 2013 Employee Stock Option [Member] | Aug. 03, 2013 Restricted Stock Units (RSUs) [Member] | Jul. 28, 2012 Restricted Stock Units (RSUs) [Member] | Aug. 03, 2013 Restricted Stock Units (RSUs) [Member] | Jul. 28, 2012 Restricted Stock Units (RSUs) [Member] | Aug. 03, 2013 Performance Awards Member | Jul. 28, 2012 Performance Awards Member | Aug. 03, 2013 Performance Awards Member | Jul. 28, 2012 Performance Awards Member | Aug. 03, 2013 sharesearnedopincmax [Domain] | Aug. 03, 2013 sharesearnedopincmin [Domain]
Stock-based compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allocated Share-based Compensation Expense | $ 5,518,000 | $ 3,960,000 | $ 10,950,000 | $ 6,957,000 | $ 900,000 | $ 500,000 | $ 1,600,000 | $ 800,000 |  |  | $ 3,311,000 | $ 3,224,000 | $ 6,842,000 | $ 5,601,000 | $ 2,207,000 | $ 736,000 | $ 4,108,000 | $ 1,356,000 |  |
Vesting period (in years) |  |  | 1 year | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum percentage of Target Shares which can be earned by the participants (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00%
Maximum percentage of Target Shares that can be earned by the participants (as a percent) |  |  | 200.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200.00% |
Percentage of Target Shares paid out if final operating income below threshold (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |
Deferred and Performance Awards |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unvested awards at the beginning of the period (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 172 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 204 |  |  |
Vested (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (2) |  |  |
Forfeited (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (5) |  |  |
Unvested awards at the end of the period (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 369 |  | 369 |  |  |
Weighted Average Grant Date Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unvested awards at the beginning of the period (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 48.59 |  |  |
Granted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 47.89 |  |  |
Vested (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 46.48 |  |  |
Forfeited (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 47.25 |  |  |
Unvested awards at the end of the period (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 48.23 |  | $ 48.23 |  |  |
Unrecognized costs and period of recognition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized stock-based compensation expense (in dollars) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,400,000 |  | 9,400,000 |  |  |
Weighted average period for recognition of unrecognized stock-based compensation expense (in years) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year 8 months 27 days |  |  |
Number of Options |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options outstanding at the beginning of the period (in shares) |  |  |  |  |  |  |  |  | 84 |  |  |  |  |  |  |  |  |  |  |
Exercised (in shares) |  |  |  |  |  |  |  |  | (47) |  |  |  |  |  |  |  |  |  |  |
Forfeited (in shares) |  |  |  |  |  |  |  |  | (1) |  |  |  |  |  |  |  |  |  |  |
Options outstanding at the end of the period (in shares) |  |  |  |  |  |  |  |  |  | 84 |  |  |  |  |  |  |  |  |  |
Options exercisable (in shares) |  |  |  |  |  |  |  |  | 36 |  |  |  |  |  |  |  |  |  |  |
Weighted Average Exercise Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options outstanding at the beginning of the period (in dollars per share) |  |  |  |  |  |  |  |  | $ 30.08 |  |  |  |  |  |  |  |  |  |  |
Exercised (in dollars per share) |  |  |  |  |  |  |  |  | $ 30.62 |  |  |  |  |  |  |  |  |  |  |
Forfeited (in dollars per share) |  |  |  |  |  |  |  |  | $ 34.45 |  |  |  |  |  |  |  |  |  |  |
Options outstanding at the end of the period (in dollars per share) |  |  |  |  |  |  |  |  | $ 29.40 | $ 30.08 |  |  |  |  |  |  |  |  |  |
Weighted Average Remaining Contractual Life (in years) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options outstanding at the beginning of the period (in years) |  |  |  |  |  |  |  |  | 4 years 1 month 6 days | 3 years 6 months |  |  |  |  |  |  |  |  |  |
Options outstanding at the end of the period (in years) |  |  |  |  |  |  |  |  | 4 years 1 month 6 days | 3 years 6 months |  |  |  |  |  |  |  |  |  |
Aggregate Intrinsic Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Options outstanding at the beginning of the period (in dollars) |  |  |  |  |  |  |  |  | 1,633,000 |  |  |  |  |  |  |  |  |  |  |
Exercised (in dollars) |  |  |  |  |  |  |  |  | 886,000 |  |  |  |  |  |  |  |  |  |  |
Forfeited (in dollars) |  |  |  |  |  |  |  |  | 6,000 |  |  |  |  |  |  |  |  |  |  |
Options outstanding at the end of the period (in dollars) |  |  |  |  |  |  |  |  | $ 897,000 | $ 1,633,000 |  |  |  |  |  |  |  |  |  |

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(b) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(a) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(d) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(d) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph c(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(f) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph d(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(a) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(b) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(a) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. + References No definition available. + Details
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