Intangible Assets, Other Assets, Net and Goodwill (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule Of Intangible Assets By Major Class [Table Text Block]

Intangible assets as of December 31, 2014 and 2013 were as follows (dollars in thousands):

	2014
	Gross Carrying Amount		Accumulated Amortization			Intangible Assets, Net		Weighted Average Amortization Period (in Years)
Intangible assets:
Amortizable intangible assets:
Service agreements	$	37,622	$	(14,880	)	$	22,742	28
Customer contracts and relationships	177,179		(26,738		)	150,441		36
Track access agreements	424,835		(46,367		)	378,468		43
Total amortizable intangible assets	$	639,636	$	(87,985	)	$	551,651	40
Non-amortizable intangible assets:
Perpetual track access agreements						35,891
Operating license						121
Total intangible assets, net						$	587,663
	2013
	Gross Carrying Amount		Accumulated Amortization			Intangible Assets, Net		Weighted Average Amortization Period (in Years)
Intangible assets:
Amortizable intangible assets:
Service agreements	$	37,622	$	(13,547	)	$	24,075	28
Customer contracts and relationships	178,603		(22,899		)	155,704		36
Track access agreements	430,241		(32,116		)	398,125		43
Total amortizable intangible assets	$	646,466	$	(68,562	)	$	577,904	40
Non-amortizable intangible assets:
Perpetual track access agreements						35,891
Operating license						138
Total intangible assets, net						$	613,933

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

The Company estimates the future aggregate amortization expense related to its intangible assets as of December 31, 2014 will be as follows for the periods presented (dollars in thousands):

2015	$	21,520
2016	21,471
2017	21,471
2018	19,817
2019	14,857
Thereafter	452,515
Total	$	551,651

Schedule of Other Assets [Table Text Block]

Other assets as of December 31, 2014 and 2013 were as follows (dollars in thousands):

	2014
	Gross Carrying Amount		Accumulated Amortization			Other Assets, Net		Weighted Average Amortization Period (in Years)
Other assets:
Deferred financing costs	$	27,158	$	(4,261	)	$	22,897	4
Other assets	16,970		—			16,970		0
Total other assets, net	$	44,128	$	(4,261	)	$	39,867

	2013
	Gross Carrying Amount		Accumulated Amortization			Other Assets, Net		Weighted Average Amortization Period (in Years)
Other assets:
Deferred financing costs	$	43,650	$	(11,930	)	$	31,720	4
Other assets	52,241		(14		)	52,227		0
Total other assets, net	$	95,891	$	(11,944	)	$	83,947

Schedule Deferred Financing Costs, Future Amortization Expense [Table Text Block]

As of December 31, 2014, the Company estimated the future interest expense related to amortization of its deferred financing costs will be as follows for the periods presented (dollars in thousands):

2015	$	5,708
2016	5,439
2017	5,190
2018	4,755
2019	1,805
Total	$	22,897

Schedule of Goodwill [Table Text Block]

The changes in the carrying amount of goodwill for the years ended December 31, 2014 and 2013 were as follows (dollars in thousands):

	2014			2013
Goodwill:
Balance at beginning of period	$	630,462		$	634,953
Goodwill acquired	2,409			—
Purchase accounting adjustments	295			(3,087		)
Currency translation adjustment	(4,351		)	(1,404		)
Balance at end of period	$	628,815		$	630,462