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SHAREHOLDERS' DEFICIT (Changes in Shareholders' Deficit) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 28, 2022	Sep. 29, 2021
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Beginning balance	$ (268.1)	$ (303.3)
Net (loss) income	(30.2)	13.2
Other comprehensive income (loss)	(1.0)	(0.4)
Dividends	0.0	0.0
Stock-based compensation	4.7	4.3
Purchases of treasury stock	(2.0)	(39.6)
Issuances of treasury stock	0.0	0.3
Retirement of common stock	0.0
Ending balance	(296.6)	(325.5)
Common Stock [Member]
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Beginning balance	7.0	7.0
Net (loss) income	0.0	0.0
Other comprehensive income (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 treasury stock	0.0	0.0
Retirement of common stock	(1.0)
Ending balance	6.0	7.0
Additional Paid-in Capital [Member]
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Beginning balance	690.9	685.4
Net (loss) income	0.0	0.0
Other comprehensive income (loss)	0.0	0.0
Dividends	0.0	0.0
Stock-based compensation	4.7	4.3
Purchases of treasury stock	0.2	(2.0)
Issuances of treasury stock	(7.8)	(8.3)
Retirement of common stock	0.0
Ending balance	688.0	679.4
Accumulated Deficit [Member]
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Beginning balance	(148.4)	(266.1)
Net (loss) income	(30.2)	13.2
Other comprehensive income (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 treasury stock	0.0	0.0
Retirement of common stock	(306.1)
Ending balance	(484.7)	(252.9)
Treasury Stock [Member]
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Beginning balance	(812.3)	(724.9)
Net (loss) income	0.0	0.0
Other comprehensive income (loss)	0.0	0.0
Dividends	0.0	0.0
Stock-based compensation	0.0	0.0
Purchases of treasury stock	(2.2)	(37.6)
Issuances of treasury stock	7.8	8.6
Retirement of common stock	307.1
Ending balance	(499.6)	(753.9)
Accumulated Other Comprehensive Loss [Member]
Increase (Decrease) in Stockholders' Deficit [Roll Forward]
Beginning balance	(5.3)	(4.7)
Net (loss) income	0.0	0.0
Other comprehensive income (loss)	(1.0)	(0.4)
Dividends	0.0	0.0
Stock-based compensation	0.0	0.0
Purchases of treasury stock	0.0	0.0
Issuances of treasury stock	0.0	0.0
Retirement of common stock	0.0
Ending balance	$ (6.3)	$ (5.1)

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