Other Intangible Assets

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Note 10—Other Intangible Assets

The carrying amount of other intangible assets consisted of the following:


(Dollar amounts in thousands)	Useful life in years	December 31, 2015
	Useful life in years	Gross amount		Accumulated amortization			Net carrying amount
Customer relationships	10 – 14	$	322,632	$	(117,963	)	$	204,669
Trademark	10 – 15		39,950		(18,186	)		21,764
Software packages	3 – 10		155,611		(106,735	)		48,876
Non-compete agreement	15		56,539		(19,789	)		36,750

Other intangible assets, net		$	574,732	$	(262,673	)	$	312,059


(Dollar amounts in thousands)	Useful life in years	December 31, 2014
	Useful life in years	Gross amount		Accumulated amortization			Net carrying amount
		(As restated)
Customer relationships	14	$	312,735	$	(95,482	)	$	217,253
Trademark	10 – 15		39,950		(14,722	)		25,228
Software packages	3 – 10		138,232		(86,605	)		51,627
Non-compete agreement	15		56,539		(16,019	)		40,520

Other intangible assets, net		$	547,456	$	(212,828	)	$	334,628

Amortization expense related to intangibles was $49.9 million, $50.5 million and $54.2 million for the years ended December 31, 2015, 2014 and 2013, respectively. Amortization expense related to software costs was $20.1 million, $21.0 million and $24.5 million for the years ended December 31, 2015, 2014 and 2013, respectively. The estimated amortization expenses of balances outstanding at December 31, 2015 for the next five years are as follows:


(Dollar amounts in thousands)
2016	$	42,532
2017		39,244
2018		35,956
2019		34,262
2020		32,151