Income Taxes - Effective income tax rate reconciliation to statutory federal rate (Details)	12 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	21.00%	21.00%	21.00%
State and local income taxes	2.10%	(0.20%)	1.00%
Tax related to international activities	1.20%	2.70%	3.60%
Cash surrender value of life insurance	(0.10%)	0.50%	(0.60%)
Foreign derived intangible income deduction	(1.10%)	(3.70%)	(1.00%)
Research tax credit	(0.70%)	(0.80%)	(0.40%)
Share-based compensation	(1.00%)	(1.30%)	(1.60%)
Other	0.80%	0.30%	0.30%
Effective income tax rate	22.20%	18.50%	22.30%

Effective Income Tax Rate Reconciliation, Cash Surrender Value of Life Insurance, Percent

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Topic 740
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Percentage of reported income tax benefit from difference to income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to foreign-derived intangible income (FDII).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

+ References

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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