GOODWILL AND INTANGIBLE ASSETS (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 30, 2021
Goodwill and Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,057,828	$ 1,036,196
Accumulated Amortization	(723,271)	(685,103)
Net	334,557	351,093
Reacquired franchise rights
Goodwill and Intangible Assets [Line Items]
Gross Carrying Amount	377,512	370,405
Accumulated Amortization	(189,936)	(182,366)
Net	187,576	188,039
Customer relationships
Goodwill and Intangible Assets [Line Items]
Gross Carrying Amount	324,255	316,547
Accumulated Amortization	(267,158)	(255,294)
Net	57,097	61,253
Internally-developed software
Goodwill and Intangible Assets [Line Items]
Gross Carrying Amount	166,866	160,315
Accumulated Amortization	(129,406)	(119,460)
Net	37,460	40,855
Noncompete agreements
Goodwill and Intangible Assets [Line Items]
Gross Carrying Amount	41,494	41,228
Accumulated Amortization	(36,748)	(35,802)
Net	4,746	5,426
Franchise agreements
Goodwill and Intangible Assets [Line Items]
Gross Carrying Amount	19,201	19,201
Accumulated Amortization	(16,748)	(16,108)
Net	2,453	3,093
Purchased technology
Goodwill and Intangible Assets [Line Items]
Gross Carrying Amount	122,700	122,700
Accumulated Amortization	(81,825)	(74,913)
Net	40,875	47,787
Trade name
Goodwill and Intangible Assets [Line Items]
Gross Carrying Amount	5,800	5,800
Accumulated Amortization	(1,450)	(1,160)
Net	$ 4,350	$ 4,640