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EQUITY PLANS (Details 4) $ / shares in Units, $ in Millions | 12 Months Ended
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Jul. 28, 2018 $ / shares shares | Jul. 29, 2017 USD ($) installment $ / shares shares | Jul. 30, 2016 USD ($) $ / shares shares | Aug. 01, 2015 USD ($)
Restricted stock awards and units |  |  |  |
Number of Shares |  |  |  |
Outstanding at July 30, 2016 (in shares) | 1,270,111 | 733,797 |  |
Granted (in shares) |  | 1,107,526 |  |
Vested (in shares) |  | (420,098) |  |
Forfeited (in shares) |  | (151,114) |  |
Outstanding at July 29, 2017 (in shares) |  | 1,270,111 | 733,797 |
Weighted Average Grant-Date Fair Value |  |  |  |
Outstanding at July 30, 2016 (in dollars per share) | $ / shares | $ 44.56 | $ 55.55 |  |
Granted (in dollars per share) | $ / shares |  | 40.16 |  |
Vested (in dollars per share) | $ / shares |  | 50.14 |  |
Forfeited (in dollars per share) | $ / shares |  | 50.16 |  |
Outstanding at July 29, 2017 (in dollars per share) | $ / shares |  | $ 44.56 | $ 55.55 |
Intrinsic value | $ |  | $ 10.5 | $ 12.3 | $ 17.3
Graded vesting period for employees |  | 4 years |  |
Performance-based share awards |  |  |  |
Number of Shares |  |  |  |
Granted (in shares) | 252,290 | 397,242 |  |
Vested (in shares) |  | (150,396) |  |
Weighted Average Grant-Date Fair Value |  |  |  |
Number of additional shares issued if performance exceeded specified targeted levels |  | 221,242 |  |
Performance units |  |  |  |
Weighted Average Grant-Date Fair Value |  |  |  |
Intrinsic value | $ |  |  | $ 0.0 |
Performance Shares Units |  |  |  |
Weighted Average Grant-Date Fair Value |  |  |  |
Granted (in dollars per share) | $ / shares |  | $ 40.82 |  |
Intrinsic value | $ |  | $ 5.7 |  |
Equity Incentive Plan 2004 |  |  |  |
Equity plans |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Installments | installment |  | 4 |  |

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- Definition The intrinsic value of equity-based payment equity instrument, excluding stock (or unit) options, that vested during the reporting period as calculated by applying the disclosed pricing methodology. + References No definition available. + Details
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- Definition Represents the number of installments in which awards are vested. + References No definition available. + Details
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- Definition 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. + 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited 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)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition 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. + 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)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition 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). + 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)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition 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). + 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)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition 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. + 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 + Details
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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 + 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 + Details
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