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Goodwill and Intangible Assets (Reconciliation of Intangible Assets) (Details) - USD ($) $ in Millions	Oct. 31, 2021	Jul. 31, 2021
Finite-Lived Intangible Assets
Gross Carrying Amount	$ 131.3	$ 131.8
Accumulated Amortization	(72.1)	(70.2)
Total	59.2	61.6
Customer relationships
Finite-Lived Intangible Assets
Gross Carrying Amount	107.0	107.5
Accumulated Amortization	(57.8)	(56.4)
Total	49.2	51.1
Patents, trademarks and technology
Finite-Lived Intangible Assets
Gross Carrying Amount	24.3	24.3
Accumulated Amortization	(14.3)	(13.8)
Total	$ 10.0	$ 10.5

X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
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-URI http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959

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