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Standard guarantee accrual amount

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Total costs of sales and operating expenses for the period.

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Commitments And Contingencies (Narrative) (Details)	12 Months Ended
Commitments And Contingencies (Narrative) (Details)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2025 CAD ($)
Commitments and Contingencies Disclosure [Abstract]
POM Maximum per Tax Return	$ 10,000
Standard guarantee accrual amount	11,400,000	$ 14,100,000
Contingent business acquisition obligation	29,600,000	26,900,000
Commitments And Contingencies [Line Items]
Lines of credit, total obligation	400,000
Remaining franchise equity lines of credit-undrawn commitment	200,000
Obligation under deferred compensation plans	9,000,000.0
Contingent business acquisition obligation	29,600,000	26,900,000
Operating expenses	2,933,025,000	2,805,070,000	$ 2,723,487,000
Deferred revenue and other current liabilities	191,849,000	$ 191,050,000
U.S. clients
Commitments And Contingencies [Line Items]
Additional tax assessment limit per client	6,000
Canadian clients
Commitments And Contingencies [Line Items]
Additional tax assessment limit per client				$ 3,000
Meta
Commitments And Contingencies [Line Items]
Loss contingency accrual	1,400,000
Loss contingency accrual, payments	$ 2,600,000