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EQUIPMENT AND PROPERTY | 12 Months Ended
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Dec. 31, 2017
Property, Plant and Equipment [Abstract] |
EQUIPMENT AND PROPERTY | EQUIPMENT AND PROPERTY Equipment and property are presented at cost less accumulated depreciation and are detailed as follows:
December 31, | 2017 |  | 2016
(in thousands) |  |  |
Buildings | $ | 51,023 |  |  | $ | 50,119 |
Operating equipment | 91,430 |  |  | 82,196 |
Furniture and fixtures | 17,672 |  |  | 16,255 |
Computer equipment and systems | 163,220 |  |  | 150,661 |
| 323,345 |  |  | 299,231 |
Less—accumulated depreciation | (213,809 | ) |  | (190,279 | )
| 109,536 |  |  | 108,952 |
Land | 24,552 |  |  | 24,525 |
Net equipment and property | $ | 134,088 |  |  | $ | 133,477 |
Included in equipment and property, net at December 31, 2017 and 2016, are fixed assets held in foreign countries of $4.9 million, and $4.6 million, respectively. Total depreciation expense was approximately $27.4 million in 2017, $24.7 million in 2016 and $19.4 million in 2015.

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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 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
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