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v3.20.2

Summary of Significant Accounting Policies Property, plant and equipment (Tables) | 12 Months Ended
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Jul. 31, 2020
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment [Table Text Block] | Property, plant and equipment consist of the following as of July 31:
| Range of Useful Lives |  | 2020 |  | 2019
Land |  |  | $ | 9,960 |  |  | $ | 9,752 |
Buildings and improvements | 10 to 33 Years |  | 105,129 |  |  | 99,685 |
Machinery and equipment | 3 to 10 Years |  | 267,795 |  |  | 266,991 |
Construction in progress |  |  | 8,432 |  |  | 7,500 |
Property, plant and equipment—gross |  |  | 391,316 |  |  | 383,928 |
Accumulated depreciation |  |  | (276,248) |  |  | (273,880) |
Property, plant and equipment—net |  |  | $ | 115,068 |  |  | $ | 110,048 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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