Commitments and Contingencies (Arrangement Liabilities) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
Apr. 30, 2025	Jan. 31, 2025	Apr. 30, 2025	Jul. 31, 2024
Purilogics \| Contingent Compensation
Business Acquisition
Contingent consideration	$ 2.8		$ 2.8	$ 2.1
Maximum payout	3.0		3.0	3.0
Purilogics \| Future Performance
Business Acquisition
Maximum payout	27.0		27.0	27.0
Contingent consideration liability	13.6		13.6	19.0
Decrease in fair value of contingent consideration	6.2
Contingent consideration liability, investing activities	1.0	$ 1.8	2.8	2.0
Other \| Contingent Compensation
Business Acquisition
Contingent consideration	0.3		0.3	0.3
Maximum payout	0.5		0.5	0.8
Other \| Future Performance
Business Acquisition
Maximum payout	0.0		0.0	2.8
Contingent consideration liability	$ 0.0		$ 0.0	$ 2.8

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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Amount of liability recognized arising from contingent consideration in a business combination.

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