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Property and Equipment Property and Equipment (Tables) | 9 Months Ended
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Oct. 01, 2016
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment | Property and equipment are stated at cost. Depreciation is calculated using the straight-line method over estimated useful lives as follows:
| Useful Lives
Buildings | 39 years
Building improvements | 7 to 15 years
Leasehold improvements | Lesser of useful life or term of lease
Machinery and equipment | 5 to 7 years
Vehicles | 5 years
Tooling | 3 years
Computer equipment | 2 to 6 years
Furniture and office equipment | 2 to 6 years
Demonstration units | 3 years
Property and equipment, net, consists of the following (in thousands):
| October 1, 2016 |  | January 2, 2016
Building and building improvements | $ | 85,564 |  |  | $ | 78,877 |
Machinery and equipment | 43,184 |  |  | 42,460 |
Land | 23,762 |  |  | 23,738 |
Computer equipment | 15,002 |  |  | 15,023 |
Tooling | 13,234 |  |  | 13,079 |
Furniture and office equipment | 9,502 |  |  | 8,885 |
Leasehold improvements | 8,162 |  |  | 7,734 |
Demonstration units | 979 |  |  | 973 |
Vehicles | 45 |  |  | 45 |
Construction-in-progress | 3,938 |  |  | 7,124 |
Total property and equipment | 203,372 |  |  | 197,938 |
Accumulated depreciation and amortization | (70,222 | ) |  | (65,472 | )
Property and equipment, net | $ | 133,150 |  |  | $ | 132,466 |

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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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