Goodwill and Intangible Assets (Reconciliation of Intangible Assets) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
Total Net Value
Intangible assets, net, beginning balance			$ 61.6
Intangible assets acquired			23.8
Amortization expense	$ (2.4)	$ (2.2)	(6.9)	$ (6.4)
Foreign currency translation			(4.7)
Intangible assets, net, ending balance	73.8		73.8
Customer Relationships
Gross Carrying Amount
Gross carrying amount beginning balance			107.5
Intangible assets acquired			3.2
Amortization expense			0.0
Foreign currency translation			(4.5)
Gross carrying amount ending balance	106.2		106.2
Accumulated Amortization
Accumulated amortization beginning balance			(56.4)
Intangible assets acquired			0.0
Amortization expense			(4.7)
Foreign currency translation			1.5
Accumulated amortization ending balance	(59.6)		(59.6)
Total Net Value
Intangible assets, net, beginning balance			51.1
Intangible assets acquired			3.2
Amortization expense			(4.7)
Foreign currency translation			(3.0)
Intangible assets, net, ending balance	46.6		46.6
Patents, Trademarks and Technology
Gross Carrying Amount
Gross carrying amount beginning balance			24.3
Intangible assets acquired			20.6
Amortization expense			0.0
Foreign currency translation			(2.0)
Gross carrying amount ending balance	42.9		42.9
Accumulated Amortization
Accumulated amortization beginning balance			(13.8)
Intangible assets acquired			0.0
Amortization expense			(2.2)
Foreign currency translation			0.3
Accumulated amortization ending balance	(15.7)		(15.7)
Total Net Value
Intangible assets, net, beginning balance			10.5
Intangible assets acquired			20.6
Amortization expense			(2.2)
Foreign currency translation			(1.7)
Intangible assets, net, ending balance	$ 27.2		$ 27.2