Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill are as follows (in thousands):

Balance as of December 31, 2015	$	660,981
Impairment of Goodwill	-
Balance as of December 31, 2017 and 2016	$	660,981

Schedule of Intangible Assets, Net

Intangible assets, net consisted of the following at December 31 (in thousands):

	2017			2016
Intangible assets:
Finite-lived intangible assets:
Carrying amount:
Backlog	$	72,630		$	72,630
Customer relationships		145,051			145,051
Developed technologies		54,475			54,475
Other		3,074			2,505
Total finite-lived intangible assets		275,230			274,661
Accumulated amortization:
Backlog		(72,630	)		(72,630	)
Customer relationships		(92,661	)		(66,267	)
Developed technologies		(40,856	)		(29,961	)
Other		(1,989	)		(1,378	)
Total accumulated amortization		(208,136	)		(170,236	)
Total finite-lived intangible assets, net		67,094			104,425
Trade name (indefinite-lived)		31,646			31,646
Total intangible assets, net	$	98,740		$	136,071

Schedule of Estimated Amortization Expense of Intangible Assets

As of December 31, 2017, estimated amortization expense of the Company’s intangible assets for each of the next five years and thereafter is as follows (in thousands):

2018	$	29,561
2019		14,829
2020		7,876
2021		5,114
2022		3,353
Later years		6,361
	$	67,094