Goodwill And Intangible Assets (Schedule Of Intangible Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Goodwill and Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 1,067,824	$ 1,037,262
Accumulated Amortization	(790,781)	(727,618)
Net	277,043	309,644
Tax Office Acquisition
Goodwill and Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 39,937
Weighted-Average Life (in years)	5 years
Reacquired franchise rights
Goodwill and Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 392,452	379,114
Accumulated Amortization	(212,495)	(197,068)
Net	179,957	182,046
Reacquired franchise rights | Tax Office Acquisition
Goodwill and Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 13,586
Weighted-Average Life (in years)	4 years
Customer relationships
Goodwill and Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 351,695	331,020
Accumulated Amortization	(301,062)	(278,717)
Net	50,633	52,303
Customer relationships | Tax Office Acquisition
Goodwill and Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 22,161
Weighted-Average Life (in years)	5 years
Internally-developed software
Goodwill and Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 133,380	137,638
Accumulated Amortization	(120,054)	(107,111)
Net	13,326	30,527
Noncompete agreements
Goodwill and Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	42,596	41,789
Accumulated Amortization	(39,617)	(37,684)
Net	2,979	4,105
Noncompete agreements | Tax Office Acquisition
Goodwill and Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 836
Weighted-Average Life (in years)	5 years
Franchise agreements
Goodwill and Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 19,201	19,201
Accumulated Amortization	(18,668)	(17,388)
Net	533	1,813
Purchased technology
Goodwill and Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	122,700	122,700
Accumulated Amortization	(96,565)	(87,910)
Net	26,135	34,790
Trade name
Goodwill and Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	5,800	5,800
Accumulated Amortization	(2,320)	(1,740)
Net	3,480	$ 4,060
Purchased software | Tax Office Acquisition
Goodwill and Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 3,354
Weighted-Average Life (in years)	2 years