Software and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Carrying Amount and Accumulated Amortization of Other Intangible Assets

The carrying amount and accumulated amortization of the Company’s other intangible assets that were subject to amortization at each balance sheet date are as follows:


	June 30, 2018							December 31, 2017
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Net Balance		Gross Carrying Amount		Accumulated Amortization			Net Balance
Customer relationships	$	302,080	$	(124,465	)	$	177,615	$	305,218	$	(116,677	)	$	188,541
Trademarks and tradenames		16,507		(14,550	)		1,957		16,646		(13,906	)		2,740

	$318,587		$(139,015)			$179,572		$321,864		$(130,583)			$191,281

Estimated Amortization Expense for Future Fiscal Years Based on Capitalized Software and Other Intangible Assets

Based on capitalized software and other intangible assets at June 30, 2018, estimated amortization expense for future fiscal years is as follows:


Fiscal Year Ending December 31,	Software Amortization		Other Intangible Assets Amortization
(in thousands)
Remainder of 2018	$	25,561	$	9,401
2019		44,993		18,400
2020		35,162		17,509
2021		22,213		17,007
2022		9,157		16,853
2023		4,778		16,535
Thereafter		2,801		83,867

Total	$	144,665	$	179,572