SHAREHOLDERS' DEFICIT (Changes in Shareholders' Deficit) (Details) - USD ($) $ in Millions	3 Months Ended
Sep. 25, 2019	Sep. 26, 2018
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Beginning balance	$ (778.2)	$ (718.3)
Net income	14.9	26.4
Other comprehensive loss	(0.2)	0.3
Dividends	(14.6)	(15.5)
Stock-based compensation	7.1	3.6
Purchases of treasury stock	(11.3)	(105.5)
Issuances of common stock	1.3	0.5
Ending balance	(585.1)	(815.9)
Common Stock [Member]
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Beginning balance	17.6	17.6
Cumulative effect of new accounting principle in period of adoption	0.0	0.0
Net income	0.0	0.0
Other comprehensive loss	0.0	0.0
Dividends	0.0	0.0
Stock-based compensation	0.0	0.0
Purchases of treasury stock	0.0	0.0
Issuances of common stock	0.0	0.0
Ending balance	17.6	17.6
Additional Paid-in Capital [Member]
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Beginning balance	522.0	511.6
Cumulative effect of new accounting principle in period of adoption	0.0	0.0
Net income	0.0	0.0
Other comprehensive loss	0.0	0.0
Dividends	0.0	0.0
Stock-based compensation	7.1	3.6
Purchases of treasury stock	(0.3)	(7.5)
Issuances of common stock	(3.7)	(3.8)
Ending balance	525.1	503.9
Retained Earnings [Member]
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Beginning balance	2,771.2	2,683.0
Net income	14.9	26.4
Other comprehensive loss	0.0	0.0
Dividends	(14.6)	(15.5)
Stock-based compensation	0.0	0.0
Purchases of treasury stock	0.0	0.0
Issuances of common stock	0.0	0.0
Ending balance	2,967.4	2,686.5
Treasury Stock [Member]
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Beginning balance	(4,083.4)	(3,924.7)
Cumulative effect of new accounting principle in period of adoption	0.0	0.0
Net income	0.0	0.0
Other comprehensive loss	0.0	0.0
Dividends	0.0	0.0
Stock-based compensation	0.0	0.0
Purchases of treasury stock	(11.0)	(98.0)
Issuances of common stock	5.0	4.3
Ending balance	(4,089.4)	(4,018.4)
Accumulated Other Comprehensive (Loss) Income [Member]
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Beginning balance	(5.6)	(5.8)
Cumulative effect of new accounting principle in period of adoption	0.0	0.0
Net income	0.0	0.0
Other comprehensive loss	(0.2)	0.3
Dividends	0.0	0.0
Stock-based compensation	0.0	0.0
Purchases of treasury stock	0.0	0.0
Issuances of common stock	0.0	0.0
Ending balance	(5.8)	(5.5)
ASC 842 Leases [Member]
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Cumulative effect of new accounting principle in period of adoption	195.9
ASC 842 Leases [Member] \| Retained Earnings [Member]
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Cumulative effect of new accounting principle in period of adoption	$ 195.9
ASC 606 Revenue [Member]
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Cumulative effect of new accounting principle in period of adoption		(7.4)
ASC 606 Revenue [Member] \| Retained Earnings [Member]
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Cumulative effect of new accounting principle in period of adoption		$ (7.4)

Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.

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