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SHARE-BASED COMPENSATION PLANS - Narrative (Details) - USD ($)			3 Months Ended		9 Months Ended
	Mar. 27, 2020	Feb. 27, 2020	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense			$ 20,700,000	$ (500,000)	$ 38,400,000	$ 8,200,000
Forfeitures of share-based compensation instruments			3,100,000	9,000,000.0	5,600,000	17,800,000
Liability plan (income) expense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense			(1,900,000)	0	(1,900,000)	(2,600,000)
Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized share-based compensation expense			36,600,000		$ 36,600,000
Weighted-average period for unrecognized share-based compensation					3 years 8 months 1 day
Restricted and Other Share Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized share-based compensation expense			92,500,000		$ 92,500,000
Weighted-average period for unrecognized share-based compensation					3 years 6 months 29 days
Restricted Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense			$ 4,000,000.0	2,200,000	$ 17,000,000.0	9,900,000
Awards granted (in shares)			100,000		5,400,000
Non-Qualified Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense			$ 1,300,000	(2,300,000)	$ 5,000,000.0	2,900,000
Options granted (in shares)			0		2,200,000
Series A and A-1 Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized share-based compensation expense			$ 0		$ 0
Series A Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense			$ 15,400,000	(400,000)	$ 16,400,000	(4,600,000)
Awards granted (in shares)			0		0
Series A-1 Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase of preferred stock		$ 19,000,000.0	$ 19,000,000.0		$ 19,000,000.0
Awards granted (in shares)			0		0
Stock reacquired, retired and cancelled (in shares)	7,905,341	6,900,000
Incremental cost			$ 19,000,000.0		$ 19,000,000.0
Selling, general and administrative expenses
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense			$ 23,800,000	$ 8,500,000	$ 44,000,000.0	$ 26,000,000.0