Acquisitions and Divestitures	12 Months Ended
Jul. 31, 2021
Business Combination and Asset Acquisition [Abstract]
Acquisitions	Acquisitions and DivestituresIn fiscal 2019, the Company acquired 91.0% of the shares of BOFA International LTD (BOFA), headquartered in the United Kingdom, for cash consideration of $101.3 million less cash acquired of $2.2 million. BOFA designs, develops and manufactures fume extraction systems across a wide range of industrial air filtration applications. The acquisition allowed the Company to accelerate its global growth in the fume collection business and added additional filtration technology to the Company’s existing product lines. In the second quarter of fiscal 2021, the Company acquired the remaining 9.0% of the shares of BOFA for $8.0 million.

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-URI http://asc.fasb.org/topic&trid=2303972

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