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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Aug. 31, 2019
Property, Plant and Equipment [Line Items] |
Subsequent Events, Policy [Policy Text Block] | Subsequent Events: Subsequent to August 31, 2019, the Company divested certain assets and liabilities of two non-core product lines for cash proceeds of $8.5 million.
Property, Plant and Equipment [Table Text Block] | The following is a summary of the Company's components of property, plant and equipment (in thousands):
|  | August 31, 2019 |  | August 31, 2018
Land, buildings and improvements |  | $ | 29,661 |  |  | $ | 30,296 |
Machinery and equipment |  | 140,083 |  |  | 131,716 |
Gross property, plant and equipment |  | 169,744 |  |  | 162,012 |
Less: Accumulated depreciation |  | (113,015 | ) |  | (107,038 | )
Property, plant and equipment, net |  | $ | 56,729 |  |  | $ | 54,974 |
Reconciliation of Changes in Accrued Product Warranty | Product Warranty Costs: The Company generally offers its customers an assurance warranty on products sold, although warranty periods may vary by product type and application. The reserve for future warranty claims, which is recorded within the "Other current liabilities" line on the Consolidated Balance Sheets, is based on historical claim rates and current warranty cost experience. The following is a rollforward of the changes in product warranty reserves for fiscal years 2019 and 2018 (in thousands):
|  | 2019 |  | 2018
Beginning balance |  | $ | 931 |  |  | $ | 1,353 |
Provision for warranties |  | 1,326 |  |  | 962 |
Warranty payments and costs incurred |  | (1,077 | ) |  | (1,388 | )
Impact of changes in foreign currency rates |  | (35 | ) |  | 4 |
Ending balance |  | $ | 1,145 |  |  | $ | 931 |

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- Definition 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. + References No definition available. + Details
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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=6877327&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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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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- Definition Disclosure of accounting policy for reporting subsequent events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 + Details
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