Nature of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Schedule of Revenue by Geographical Region

The following table sets forth percentages of the Company’s revenues by geographic region for the years ended December 31:

	2017		2016		2015
Americas	50	%	47	%	55	%
EMEA	31	%	32	%	26	%
Asia-Pacific	19	%	21	%	19	%

Property, Plant and Equipment, Net

The Company’s estimated useful lives of its property, plant and equipment are as follows:

Core systems	3-25 years
Buildings	12-50 years
Leasehold improvements	12-40 years
Personal Property	3-10 years

Property, plant and equipment, net consisted of the following as of December 31 (in thousands):

	2017			2016
Core systems	$	6,334,702		$	4,760,868
Buildings	3,906,686			2,785,799
Leasehold improvements	1,850,351			1,599,424
Construction in progress	425,428			645,388
Personal property	798,133			622,069
Land	423,539			237,349
	13,738,839			10,650,897
Less accumulated depreciation	(4,344,237		)	(3,451,687		)
Property, plant and equipment, net	$	9,394,602		$	7,199,210