Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Components of Intangible Assets

The weighted average remaining useful life, gross carrying amount, and accumulated amortization of our intangible assets were as follows (dollars in millions):

	March 31, 2016					December 31, 2015
	Weighted Average Remaining Useful Life (in Years)	Gross  Carrying Amount		Accumulated Amortization		Weighted Average Remaining Useful Life (in Years)	Gross  Carrying Amount		Accumulated Amortization
Customer relationships	13.1	$	311.5	$	62.4	13.3	$	311.5	$	57.3
Trademarks and trade names	13.5	21.8		5.8		13.6	21.8		5.2
Other	1.0	0.2		0.2		1.2	0.2		0.2
Total intangible assets (excluding goodwill)	13.5	$	333.5	$	68.4	13.6	$	333.5	$	62.7