Fair Value Measurements (Narrative) (Details) - USD ($) $ in Millions	Apr. 30, 2024	Jul. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Contingent consideration liability, fair value	$ 25.2	$ 25.0
Maximum payout, fair value	29.7	30.7
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Equity method investments	25.9	24.4
Fixed Interest Rate \| Fair Value, Inputs, Level 2 \| Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument, fair value disclosure	255.7	378.9
Fixed Interest Rate \| Fair Value, Inputs, Level 2 \| Carrying Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument, fair value disclosure	300.0	425.0
Current Portion Of Long-Term Debt, Fixed Interest Rate \| Fair Value, Inputs, Level 2 \| Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument, fair value disclosure	24.3
Current Portion Of Long-Term Debt, Fixed Interest Rate \| Fair Value, Inputs, Level 2 \| Carrying Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument, fair value disclosure	25.0
Variable Interest Rate \| Fair Value, Inputs, Level 2 \| Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument, fair value disclosure	208.5	198.4
Variable Interest Rate \| Fair Value, Inputs, Level 2 \| Carrying Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument, fair value disclosure	$ 208.5	$ 198.4

Business Combination, Contingent Consideration Arrangements, Range Of Outcomes, Value, High, Fair Value

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- Definition

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

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- Definition

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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