Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

+ Details

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Period Type:	duration

- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e6927-128479

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Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585

+ Details

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- Details

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- Details

Name:	us-gaap_BusinessAcquisitionAxis=dci_SolarisBiotechnologySrlMember
Namespace Prefix:
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- Details

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Acquisitions (Narrative) (Details) € in Millions, $ in Millions	3 Months Ended
	Jul. 31, 2022 USD ($)	Jan. 31, 2022 USD ($)	Jan. 31, 2022 EUR (€)	Oct. 31, 2022 USD ($)
PAIS
Business Acquisition
Acquisitions, net of cash acquired		$ 3.3
Maximum payout		1.7
Solaris
Business Acquisition
Acquisitions, net of cash acquired		$ 45.7	€ 41.0
Purilogics, LLC
Business Acquisition
Acquisitions, net of cash acquired	$ 19.9
Maximum payout	$ 29.0			$ 29.0