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Acquisitions and Joint Ventures - Schedule of Estimated Fair Values of Assets Acquired and Liabilities Assumed (Parenthetical) (Detail) - USD ($) $ in Thousands | Jul. 31, 2020 | Jun. 04, 2020
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Mader Holdings L.P. [Member] | Joint Venture Agreement [Member] |  |
Business Acquisition [Line Items] |  |
Cash, Current assets | $ 229 |
Environmental Integrated Solutions [Member] |  |
Business Acquisition [Line Items] |  |
Cash, Current assets |  | $ 4,212

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472 + Details
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