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Property, Plant and Equipment | 12 Months Ended
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Jul. 31, 2023
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment | Property, Plant and Equipment Property, plant and equipment consist of the following at July 31, 2023 and 2022:
|  | 2023 |  | 2022
Machinery and equipment |  | $ | 193,832,000 |  |  | 186,935,000 |
Leasehold improvements |  | 9,680,000 |  |  | 14,260,000 |
|  | 203,512,000 |  |  | 201,195,000 |
Less accumulated depreciation and amortization |  | 150,483,000 |  |  | 150,832,000 |
Property, plant and equipment, net |  | $ | 53,029,000 |  |  | 50,363,000 |
Depreciation and amortization expense on property, plant and equipment amounted to $11,917,000, $10,303,000 and $9,343,000 for the fiscal years ended July 31, 2023, 2022 and 2021, respectively.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//360/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-7 + Details
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