Effective Tax Rate Reconciliation (Details)	12 Months Ended
	Jun. 30, 2022 Rate	Jun. 30, 2021 Rate	Jun. 30, 2020 Rate
Income Tax Disclosure [Abstract]
Computed expected tax expense	21.00%	21.00%	21.00%
State income taxes, net of federal income tax benefits	4.30%	3.20%	3.60%
Research and development credit	(2.00%)	(2.40%)	(2.40%)
Other (net)	(0.10%)	(0.10%)	(0.10%)
Effective Income Tax Rate	23.20%	21.70%	22.10%