STOCK-BASED COMPENSATION (Transactions During Fiscal 2021-Restricted Share Awards) (Details) - Restricted Shares - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
Jun. 30, 2021	Jun. 24, 2020	Jun. 26, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Restricted share awards outstanding at June 24, 2020, number of restricted share awards	1.1
Granted, number of restricted share awards	0.5
Vested, number of restricted share awards	(0.3)
Forfeited, number of restricted share awards	(0.1)
Restricted share awards outstanding at June 30, 2021, number of restricted share awards	1.2	1.1
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Restricted share awards outstanding at June 24, 2020, weighted average fair value per award	$ 37.17
Granted, weighted average fair value per award	41.17
Vested, weighted average fair value per award	32.58
Forfeited, weighted average fair value per award	38.70
Restricted share awards outstanding at June 30, 2021, weighted average fair value per award	$ 40.07	$ 37.17
Unrecognized compensation expense	$ 14.0
Period of recognition for unrecognized stock-based compensation costs, in years	2 years
Fair value of restricted share awards vested	$ 14.9	$ 6.6	$ 8.6

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents 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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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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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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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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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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