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Description of the Business and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Estimated Useful Lives of Property and Equipment | The following table presents the estimated useful lives of property and equipment:
Property and equipment |  | Useful life
Buildings |  | 20 to 30 years
Datacenter and other computer equipment |  | 3 to 5 years
Office equipment and other |  | 3 to 7 years
Leasehold improvements |  | Lesser of estimated useful life or remaining lease term
Property and equipment, net consisted of the following:
|  | As of December 31,
|  | 2018 |  | 2017
Building |  | $ | — |  |  | $ | 36.6 |
Datacenter and other computer equipment |  | 695.3 |  |  | 663.1 |
Furniture and fixtures |  | 23.8 |  |  | 21.2 |
Leasehold improvements |  | 122.6 |  |  | 118.6 |
Construction in process |  | 32.8 |  |  | 7.2 |
Total property and equipment |  | 874.5 |  |  | 846.7 |
Accumulated depreciation and amortization |  | (563.9 | ) |  | (504.8 | )
Property and equipment, net |  | $ | 310.6 |  |  | $ | 341.9 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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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