LONG-TERM DEBT - Amendment to Fourth Amended Credit Agreement - Additional Information (Details) - Amendment		12 Months Ended
	May 07, 2020	Jun. 30, 2020	Jun. 30, 2019
Debt Instrument [Line Items]
Variable margin rate		0.50%
Variable rate basis description	The changes effected by the Amendment include, among others, the temporary removal and replacement of the Company’s financial covenants, the addition of a 50 basis point floor on LIBOR, modifications to the range of applicable LIBOR and prime interest rate margins, and a revision of the Total Net Leverage Ratio calculation.
Debt covenant description	Under the Amendment, the Total Net Leverage Ratio covenant and Fixed Charge Coverage Ratio covenant of the Fourth Amended Credit Agreement are temporarily replaced with three separate covenants: (i) an Interest Coverage Ratio, (ii) a Minimum Liquidity threshold, and (iii) a Maximum Unfinanced Capital Expenditures limitation (the “Package of Financial Covenants”). The Package of Financial Covenants are in place through the quarter ended March 31, 2021, at which time the Total Net Leverage Ratio covenant and Fixed Charge Coverage Ratio covenant will be reinstated and the Package of Financial Covenants will sunset, and with the minimum liquidity covenant being tested on the last day of each fiscal month through May 31, 2021. In addition, the Total Net Leverage Ratio calculation was temporarily revised to include all unrestricted cash balances, without limitation, until June 30, 2021.
Effective interest rate		3.75%	4.48%
LIBOR
Debt Instrument [Line Items]
Variable margin rate	0.50%
LIBOR | Minimum
Debt Instrument [Line Items]
Variable margin rate		1.50%
LIBOR | Maximum
Debt Instrument [Line Items]
Variable margin rate		3.25%
Prime Rate | Minimum
Debt Instrument [Line Items]
Variable margin rate		0.50%
Prime Rate | Maximum
Debt Instrument [Line Items]
Variable margin rate		2.25%