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PROPERTY, PLANT AND EQUIPMENT | 3 Months Ended
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Aug. 31, 2015
PROPERTY, PLANT AND EQUIPMENT | 5. PROPERTY, PLANT AND EQUIPMENT A summary of property, plant and equipment as of August 31, 2015 and May 31, 2015 is as follows (in thousands):
|  | August 31, 2015 |  |  | May 31, 2015 |
|  | (unaudited) |  |  |  |
Land |  | $ | 3,140 |  |  | $ | 3,025 |
Buildings and leasehold improvements |  |  | 29,379 |  |  |  | 27,390 |
Machinery and equipment |  |  | 169,286 |  |  |  | 154,891 |
Furniture and fixtures |  |  | 6,476 |  |  |  | 5,939 |
Capitalized ERP system development costs |  |  | 18,616 |  |  |  | 14,524 |
Computers and computer software |  |  | 7,863 |  |  |  | 7,252 |
Automobiles |  |  | 5,127 |  |  |  | 3,095 |
Construction in progress |  |  | 4,736 |  |  |  | 2,934 |
Total |  |  | 244,623 |  |  |  | 219,050 |
Accumulated depreciation and amortization |  |  | (125,661 | ) |  |  | (121,124 | )
Property, plant, and equipment, net |  | $ | 118,962 |  |  | $ | 97,926 |
In the second quarter of fiscal year 2014, we initiated the design and implementation of a new enterprise resource planning (“ERP”) system, which is expected to be fully installed by the end of fiscal year 2017. Amortization of the ERP system development costs will be computed by the straight-line method, commencing in the period when substantial testing is completed and the asset is ready for its intended use. Through August 31, 2015, we have capitalized $18.6 million associated with the project that includes $0.3 million of capitalized interest.

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=51717284&loc=d3e1361-107760 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=51719941&loc=d3e2921-110230 Reference 4: 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 + Details
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