Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024
Effective Income Tax Rate Reconciliation
Effective income tax rate reconciliation, percent (as a percent)	33.60%	21.20%	26.20%	23.10%
Loss on impairment of intangible assets	$ 62.0	$ 0.0	$ 62.0	$ 0.0
Decrease in deferred tax liability	(16.0)
Increase in deferred tax valuation allowance	12.3
Net change in tax benefit			(3.7)
Unrecognized tax benefits	22.8		22.8
Accrued interest and penalties on unrecognized tax benefits	2.9		2.9
Possibility of decrease in uncertain tax positions			$ 2.8
Life Sciences Segment
Effective Income Tax Rate Reconciliation
Loss on impairment of intangible assets	$ 62.0