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Property and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2012
Property and Equipment |
Schedule of property and equipment and their respective estimated useful lives | The amount of property and equipment and their respective estimated useful lives are as follows (in thousands, except estimated useful lives):
|  | As of December 31, |  |
--- | --- | --- | --- | ---
|  | Estimated Useful Lives
|  | 2012 |  | 2011
Land |  | $ | 4,653 |  | $ | 5,008 |  | Indefinite
Buildings and leasehold improvements |  |  | 21,081 |  |  | 14,640 |  | 3 - 15 years
Office equipment, furniture and fixtures |  |  | 8,415 |  |  | 6,467 |  | 3 - 7 years
Computer equipment and software costs |  |  | 80,233 |  |  | 67,498 |  | 3 - 9 years
Machinery, equipment and vehicles |  |  | 66,122 |  |  | 48,318 |  | 3 - 30 years
|  |  | 180,504 |  |  | 141,931 |  |
Accumulated depreciation and amortization |  |  | 67,979 |  |  | 51,221 |  |
|  | $ | 112,525 |  | $ | 90,710 |  |
Schedule of amount of computer software costs, including capitalized internally developed software costs | The amount of computer software costs, including capitalized internally developed software costs are as follows (in thousands):
As of December 31, |
--- | ---
|  | 2012 |  | 2011 |
Computer software costs |  | $ | 60,465 |  | $ | 50,592 |
Accumulated amortization |  |  | 27,710 |  |  | 20,481 |
Computer software costs, net |  | $ | 32,755 |  | $ | 30,111 |
Schedule of assets and accumulated amortization recorded under capital leases | The assets and accumulated amortization recorded under capital leases are as follows (in thousands):
As of December 31, |
--- | ---
|  | 2012 |  | 2011 |
Capital leases |  | $ | 4,489 |  | $ | 4,236 |
Accumulated amortization |  |  | 816 |  |  | 713 |
Capital leases, net |  | $ | 3,673 |  | $ | 3,523 |

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- Definition Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: 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 4: 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 long-lived, depreciable assets that are subject to a lease meeting the criteria for capitalization and are used in the normal conduct of business to produce goods and services. Examples may include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 + Details
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