EQUITY AND CONVERTIBLE PREFERRED STOCK - Preferred Stock (Details)				12 Months Ended
	Oct. 14, 2021	Oct. 14, 2020	May 11, 2020 USD ($) $ / shares shares	Jun. 30, 2023 USD ($) vote day class_of_stock $ / shares shares	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2021 USD ($)	Nov. 16, 2020 shares	Mar. 27, 2017 shares
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares) | shares				20,000,000.0	20,000,000.0
Number of classes of preferred stock | class_of_stock				2
Preferred stock, par value (in dollars per share) | $ / shares				$ 0.01	$ 0.01
Preferred stock, shares outstanding (in shares) | shares				1,000,000.0	1,500,000
Preferred stock, shares issued (in shares) | shares				1,000,000.0	1,500,000
Preferred stock classified as a liability				$ 800,000
Dividends, preferred stock				13,200,000
Dividends				0
Employee taxes				200,000	$ 1,400,000
Additional Paid-in Capital
Class of Stock [Line Items]
Dividends, preferred stock				13,200,000
Noncash dividend				100,000	800,000
Restricted Stock Units
Class of Stock [Line Items]
Vesting period		3 years
Payment of ordinary dividends, preferred stock and preference stock, declared during the period				700,000
Restricted Stock Units | Tranche One
Class of Stock [Line Items]
Award vesting rights, percentage	25.00%	33.30%
Restricted Stock Units | Tranche Two
Class of Stock [Line Items]
Award vesting rights, percentage	25.00%	33.30%
Restricted Stock Units | Tranche Three
Class of Stock [Line Items]
Award vesting rights, percentage	50.00%	33.30%
Restricted Stock Units And Phantom Units | Accrued Expenses And Other Current Liabilities
Class of Stock [Line Items]
Noncash dividend				1,000,000.0	1,400,000
Restricted Stock Units And Phantom Units | Other noncurrent Liabilities
Class of Stock [Line Items]
Noncash dividend				$ 100,000	500,000
Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares) | shares				1,000,000
Preferred stock, par value (in dollars per share) | $ / shares				$ 0.01
Preferred stock, shares outstanding (in shares) | shares				1,000,000				1,000,000.0
Preferred stock, shares issued (in shares) | shares				1,000,000				1,000,000.0
Number of votes entitled to holders | vote				0
Series A-1 Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares) | shares				0
Preferred stock, par value (in dollars per share) | $ / shares				$ 0.01
Preferred stock, shares outstanding (in shares) | shares				0
Preferred stock, shares issued (in shares) | shares				0
Number of votes entitled to holders | vote				0
Exchange value pricing determination period				10 days
Series A-1 Preferred Stock | Stock Compensation Plan | Tranche One
Class of Stock [Line Items]
Award vesting rights, percentage				60.00%
Vesting period				3 years
Series A-1 Preferred Stock | Stock Compensation Plan | Tranche Two
Class of Stock [Line Items]
Award vesting rights, percentage				20.00%
Vesting period				4 years
Series A-1 Preferred Stock | Stock Compensation Plan | Tranche Three
Class of Stock [Line Items]
Award vesting rights, percentage				20.00%
Vesting period				5 years
Convertible Series B Preferred Stock
Class of Stock [Line Items]
Preferred stock, par value (in dollars per share) | $ / shares			$ 0.01
Investment agreement, shares to be sold (in shares) | shares			1,000,000
Investment agreement, maximum aggregate purchase price			$ 1,000
Investment agreement, sale of stock (in dollars per share) | $ / shares			$ 1,000
Preferred stock dividend rate				9.00%
Dividends, preferred stock				$ 13,200,000	35,200,000
Payment of ordinary dividends, preferred stock and preference stock, declared during the period				13,200,000	55,800,000
Converted dividends				0.0	50,100,000
Noncash dividend				$ 3,300,000	$ 3,300,000	$ 74,100,000
Liquidation preference (in dollars per share) | $ / shares				$ 1,000
Liquidation preference				$ 1,000,000,000
Preferred stock dividend rate, increase on seven-year anniversary of issuance				1.00%
Preferred stock, period after which dividend rate will increase				7 years
Preferred stock dividend rate, annual increase on each subsequent anniversary				1.00%
Preferred stock dividend rate, maximum after increases				12.00%
Preferred stock dividend rate, additional increase if dividends are not paid				1.00%
Conversion price (in dollars per share) | $ / shares				$ 6.24
Conversion ratio				160.2564
Volume weighted average price for 20 trading days exceeds, Company may convert shares (in dollars per share) | $ / shares				$ 12.48
Preferred stock, convertible, threshold trading days | day				20
Preferred stock, convertible, threshold consecutive trading days | day				30
Redemption features, percentage of liquidation preference				100.00%
Redemption features, multiplier of unpaid dividends after fifth anniversary and prior to sixth anniversary				107.00%
Redemption features, multiplier of unpaid dividends after sixth anniversary and prior to seventh anniversary				105.00%
Redemption features, multiplier of unpaid dividends after seventh anniversary				100.00%
Change of control put, percentage of liquidation preference, on or before fifth anniversary				110.00%
Change of control put, percentage of liquidation preference, on or after fifth anniversary				100.00%
Convertible Series B Preferred Stock | KKR | HFS Holdings S.á r.l.
Class of Stock [Line Items]
Preferred stock, shares issued (in shares) | shares							146,057