Commitments and Contingencies (Arrangement Liabilities) (Details) - USD ($) $ in Millions	12 Months Ended
Jul. 31, 2025	Jul. 31, 2024
Purilogics \| Contingent compensation
Business Combination
Contingent consideration accrued	$ 0.0	$ 2.1
Maximum payout of contingent consideration	0.0	3.0
Payment for contingent consideration liability	3.0
Purilogics \| Future Performance
Business Combination
Maximum payout of contingent consideration	21.0	27.0
Contingent consideration liability	9.8	19.0
Increase (decrease) in contingent consideration	(6.2)
Cumulative payment for contingent consideration liability	5.0
Payment for contingent consideration liability	3.0	2.0
Other \| Contingent compensation
Business Combination
Contingent consideration accrued	0.2	0.3
Maximum payout of contingent consideration	0.2	0.8
Other \| Future Performance
Business Combination
Maximum payout of contingent consideration	1.5	2.8
Contingent consideration liability	1.5	$ 2.8
Increase (decrease) in contingent consideration	1.5
Cumulative payment for contingent consideration liability	$ 2.8

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