Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details)	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
U.S. statutory tax rate	21.00%	21.00%	21.00%
State income taxes, less federal income tax benefits	2.90%	2.80%	(0.70%)
Foreign operations	0.20%	(0.50%)	(13.30%)
Rate change	0.00%	0.10%	(0.10%)
Settlements - audits / tax litigation	(4.90%)	(0.40%)	(2.50%)
Transaction costs	1.20%	0.00%	0.00%
Nondeductible compensation	1.20%	(1.10%)	3.70%
Tax credits	(0.30%)	3.70%	0.00%
Goodwill impairment	0.00%	(12.80%)	0.00%
Other	0.80%	0.50%	0.10%
Effective income tax rate	22.10%	13.30%	8.20%