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COMPANY-SPONSORED EMPLOYEE BENEFIT PLANS - DEFINED CONTRIBUTION PLAN (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 30, 2017 | Jun. 30, 2018 | Jul. 01, 2017 | Jul. 02, 2016
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |
Defined contribution plans expense |  | $ 151.0 | $ 141.2 | $ 135.5
Safe Harbor 401(k) Plan |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |
Non-elective employer contribution, percent of participant's compensation |  | 3.00% |  |
Employer matching contribution percent |  | 50.00% |  |
Employer matching contribution, percent of participant's compensation | 5.00% | 6.00% |  |
Safe Harbor 401(k) Plan Non Adopting Unions |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |
Employer matching contribution percent |  | 50.00% |  |
Employer matching contribution, percent of participant's compensation |  | 6.00% |  |
Management Savings Plan |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |
Non-elective employer contribution, percent of participant's compensation |  | 3.00% |  |
Employer matching contribution percent |  | 50.00% |  |
Employer matching contribution, percent of participant's compensation |  | 5.00% |  |
Maximum annual contributions per employee, percent of salary |  | 50.00% |  |
Maximum annual contributions per employee, percent of bonus |  | 100.00% |  |

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- Definition Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent of Bonus + References No definition available. + Details
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- Definition Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent of Salary + References No definition available. + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a guaranteed non-elective contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Details
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- Details
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- Details
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