Geographical Information (Tables)

12 Months Ended

Dec. 31, 2015

Segment Reporting [Abstract]

Revenues Based on Geographical Information

The Company attributes the revenues to regions based upon location of its customers.

	Year ended December 31,
	2015		2014		2013
Revenues, net
United States	$	496,418	$	368,870	$	353,274
United Kingdom	108,868		101,789		92,601
Rest of World	23,206		28,619		32,577
	$	628,492	$	499,278	$	478,452

Fixed Assets, Net Based on Geographical Information

	December 31, 2015		December 31, 2014
Fixed assets, net
India	$	23,415	$	24,186
United States	10,680		8,293
Philippines	11,285		12,391
Rest of World	2,611		499
	$	47,991	$	45,369