Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Finite-Lived Intangible Assets [Line Items]

Schedule of Goodwill [Table Text Block]

The changes in the Company's goodwill consisted of the following:

	IT Services and Hardware					Entertainment and Communications				Total Company
	December 31, 2017			December 31, 2016		December 31, 2017		December 31, 2016		December 31, 2017			December 31, 2016
(dollars in millions)
Goodwill, beginning balance	$	2.4		$	2.4	$	11.9	$	11.9	$	14.3		$	14.3
Activity during the year
Acquisitions	137.0			—		—		—		137.0			—
Currency translations	(0.3		)	—		—		—		(0.3		)	—
Goodwill, ending balance	$	139.1		$	2.4	$	11.9	$	11.9	$	151.0		$	14.3

Schedule of Finite-Lived Intangible Assets by Major Class [Table Text Block]

The Company’s intangible assets consisted of the following:

	December 31, 2017					December 31, 2016
	Gross Carrying		Accumulated			Gross Carrying		Accumulated
(dollars in millions)	Amount		Amortization			Amount		Amortization
Customer relationships	$	116.0	$	(8.9	)	$	7.0	$	(7.0	)
Trade names	15.9		(0.4		)	—		—
Technology	9.9		(0.2		)	—		—
Total	$	141.8	$	(9.5	)	$	7.0	$	(7.0	)

Finite-Lived Intangible Assets, Tabular Disclosure of Estimated Useful Lives [Table Text Block]

The estimated useful lives for each intangible asset class are as follows:

Customer relationships	8	to	15	years
Trade names			10	years
Technology			10	years

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

The annual estimated amortization expense for future years is as follows:

(dollars in millions)
2018	$	10.0
2019	10.0
2020	10.0
2021	10.0
2022	10.0
Thereafter	82.3
Total	$	132.3