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

12 Months Ended

Dec. 31, 2015

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:

	2015		2014		2013
Americas	55	%	56	%	59	%
EMEA	26	%	26	%	24	%
Asia-Pacific	19	%	18	%	17	%

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
Construction in progress	N/A
Personal Property	3-10 years

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

	2015			2014
Core systems	$	3,820,772		$	3,252,569
Buildings	2,383,387			2,074,382
Leasehold improvements	1,204,900			1,053,451
Construction in progress	351,697			460,259
Personal Property	450,914			387,909
Land	183,946			160,035
	8,395,616			7,388,605
Less accumulated depreciation	(2,789,180		)	(2,390,335		)
	$	5,606,436		$	4,998,270