Income Taxes - Effective income tax rate reconciliation to statutory federal rate (Details)	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	21.00%	21.00%	21.00%
State and local income taxes	(0.20%)	1.00%	1.40%
Tax related to international activities	2.70%	3.60%	1.80%
Transition tax related to the TCJ Act	0	0	(0.007)
Cash surrender value of life insurance	0.50%	(0.60%)	(0.30%)
Foreign derived intangible income deduction	(3.70%)	(1.00%)	(1.50%)
Research tax credit	(0.80%)	(0.40%)	(0.60%)
Share-based compensation	(1.30%)	(1.60%)	(1.50%)
Other	0.30%	0.30%	0.60%
Effective income tax rate	18.50%	22.30%	20.20%