Goodwill and Intangible Assets (Reconciliation of Intangible Assets) (Details) - USD ($) $ in Millions	Oct. 31, 2025	Jul. 31, 2025
Finite-Lived Intangible Assets
Gross Carrying Amount	$ 164.0	$ 163.9
Accumulated Amortization	(67.6)	(66.5)
Net	$ 96.4	$ 97.4
Customer relationships
Finite-Lived Intangible Assets
Weighted Amortizable Life (in Years)	8 years 4 months 24 days	8 years 6 months
Gross Carrying Amount	$ 74.1	$ 74.7
Accumulated Amortization	(42.7)	(43.7)
Net	$ 31.4	$ 31.0
Trademarks
Finite-Lived Intangible Assets
Weighted Amortizable Life (in Years)	6 years 3 months 18 days	6 years 8 months 12 days
Gross Carrying Amount	$ 4.5	$ 3.8
Accumulated Amortization	(2.7)	(2.0)
Net	$ 1.8	$ 1.8
Technology and patents
Finite-Lived Intangible Assets
Weighted Amortizable Life (in Years)	16 years 4 months 24 days	16 years 7 months 6 days
Gross Carrying Amount	$ 82.9	$ 82.9
Accumulated Amortization	(20.3)	(19.1)
Net	$ 62.6	$ 63.8
Non-compete agreements
Finite-Lived Intangible Assets
Weighted Amortizable Life (in Years)	3 years 1 month 6 days	2 years 10 months 24 days
Gross Carrying Amount	$ 2.5	$ 2.5
Accumulated Amortization	(1.9)	(1.7)
Net	$ 0.6	$ 0.8