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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Feb. 28, 2018
Accounting Policies [Abstract] |
Property, Plant and Equipment | Property, Plant, and Equipment Property, plant and equipment consisted of the following (in thousands):
|  | February 28, 2018 |  | February 28, 2017
Land |  | $ | 22,445 |  |  | $ | 22,360 |
Building and structures |  | 152,191 |  |  | 139,627 |
Machinery and equipment |  | 234,071 |  |  | 228,246 |
Furniture, fixtures, software and computers |  | 25,316 |  |  | 25,593 |
Automotive equipment |  | 3,432 |  |  | 2,998 |
Construction in progress |  | 13,977 |  |  | 23,669 |
|  | 451,432 |  |  | 442,493 |
Less accumulated depreciation |  | (234,577 | ) |  | (213,883 | )
Net property, plant, and equipment |  | $ | 216,855 |  |  | $ | 228,610 |
Schedule of Warranty Reserve | The following is a roll-forward of amounts accrued for warranties (in thousands):
Balance at February 28, 2015 | $ | 2,287 |
Warranty costs incurred | (2,570 | )
Additions charged to income | 3,198 |
Balance at February 29, 2016 | $ | 2,915 |
Warranty costs incurred | (1,947 | )
Additions charged to income | 1,130 |
Balance at February 28, 2017 | $ | 2,098 |
Warranty costs incurred | (2,225 | )
Additions charged to income | 2,140 |
Balance at February 28, 2018 | $ | 2,013 |

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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://www.xbrl.org/2003/role/presentationRef -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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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 + 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://www.xbrl.org/2003/role/presentationRef -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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