GOODWILL AND INTANGIBLE ASSETS (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024
Goodwill and Intangible Assets [Line Items]
Gross Carrying Amount	$ 960,963	$ 955,940
Accumulated Amortization	(704,910)	(691,838)
Net	256,053	264,102
Reacquired franchise rights
Goodwill and Intangible Assets [Line Items]
Gross Carrying Amount	406,195	403,955
Accumulated Amortization	(232,023)	(228,157)
Net	174,172	175,798
Customer relationships
Goodwill and Intangible Assets [Line Items]
Gross Carrying Amount	334,067	331,435
Accumulated Amortization	(275,742)	(270,245)
Net	58,325	61,190
Internally-developed software
Goodwill and Intangible Assets [Line Items]
Gross Carrying Amount	122,731	122,673
Accumulated Amortization	(121,407)	(119,610)
Net	1,324	3,063
Noncompete agreements
Goodwill and Intangible Assets [Line Items]
Gross Carrying Amount	22,070	21,977
Accumulated Amortization	(19,705)	(19,494)
Net	2,365	2,483
Purchased technology
Goodwill and Intangible Assets [Line Items]
Gross Carrying Amount	70,100	70,100
Accumulated Amortization	(52,988)	(51,432)
Net	17,112	18,668
Trade name
Goodwill and Intangible Assets [Line Items]
Gross Carrying Amount	5,800	5,800
Accumulated Amortization	(3,045)	(2,900)
Net	$ 2,755	$ 2,900