Acquisitions (Narrative) (Details) € in Millions, $ in Millions	3 Months Ended
	Jul. 31, 2023 USD ($)	Jul. 31, 2023 EUR (€)	Apr. 30, 2023 USD ($)	Jan. 31, 2024 USD ($)
Business Acquisition
Goodwill	$ 481.1			$ 475.9
Univercells Technologies
Business Acquisition
Acquisitions, net of cash acquired	147.2	€ 134.6
Goodwill	95.8
Intangible assets	52.5
Deferred tax liabilities	13.1
Add deferred tax asset	7.0
Net working capital	(0.9)
Other noncurrent assets	6.6
Other noncurrent liabilities	$ 0.7
Isolere
Business Acquisition
Acquisitions, net of cash acquired			$ 62.4
Goodwill			28.2
Intangible assets			44.5
Deferred tax liabilities			10.9
Net working capital			(0.4)
Other noncurrent assets			1.2
Other noncurrent liabilities			$ 0.2