Fair Value Measurements (Narrative) (Details) - USD ($) $ in Millions	Apr. 30, 2026	Jul. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Contingent consideration liability, fair value	$ 10.5	$ 11.3
2024 Acquisitions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Maximum payout	21.5	22.5
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Equity method investments	109.2	103.6
Fixed Interest Rate \| Fair Value \| Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument, fair value	253.5	247.5
Fixed Interest Rate \| Carrying Value \| Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument, fair value	275.0	275.0
Variable Interest Rate \| Fair Value \| Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument, fair value	326.4	364.9
Variable Interest Rate \| Carrying Value \| Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument, fair value	$ 326.4	$ 364.9

Maximum amount of estimate for undiscounted range of outcomes in contingent consideration arrangement in business combination.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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