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Description of the Business and Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2019
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
 
March 31, 2019
 
December 31, 2018
 
 
 
 
Datacenter and other computer equipment
$
682.8

 
$
667.4

Furniture and fixtures
24.8

 
23.8

Leasehold improvements
153.8

 
150.5

Construction in process
60.6

 
32.8

Total property and equipment
922.0

 
874.5

Accumulated depreciation and amortization
(581.1
)
 
(563.9
)
Property and equipment, net
$
340.9

 
$
310.6