OTHER FINANCIAL STATEMENT DATA - Schedule of Additional Information Concerning Selected Balance Sheet Accounts (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Other current assets:
Prepaid assets	$ 4,121	$ 5,165
Restricted cash	9,961	9,213
Other	3,021	4,760
Total other current assets	17,103	19,138
Property and equipment:
Property and equipment, gross	79,280	306,574
Less accumulated depreciation and amortization	(56,167)	(249,398)
Total property and equipment, net	23,113	57,176	$ 78,090
Accrued expenses:
Payroll and payroll related costs	16,176	18,204
Insurance	7,525	10,278
Rent and related real estate costs	11,197	4,179
Other	19,959	16,164
Total accrued expenses	54,857	48,825
Other non-current liabilities:
Deferred income taxes	10,650	13,916
Insurance	12,722	20,301
Deferred benefits	10,028	11,106
Deferred franchise fees	38,936	45,478
Other	2,739	3,341
Total other non-current liabilities	75,075	94,142
Buildings and improvements
Property and equipment:
Property and equipment, gross	8,251	36,379
Equipment, furniture and leasehold improvements
Property and equipment:
Property and equipment, gross	29,102	198,983
Internal use software
Property and equipment:
Property and equipment, gross	$ 41,927	$ 71,212