Restructuring Charges (Tables)

12 Months Ended

Dec. 31, 2013

Restructuring and Related Activities [Abstract]

Schedule of Restructuring and Related Costs

A summary of activity in the restructuring liability is shown below:

(dollars in millions)	Employee Separation			Lease Abandonment			Contract Terminations			Total
Balance as of December 31, 2010	$	11.7		$	7.2		$	1.4		$	20.3
Charges	8.0			2.5			1.7			12.2
Utilizations	(5.5		)	(1.6		)	(1.4		)	(8.5		)
Balance as of December 31, 2011	$	14.2		$	8.1		$	1.7		$	24.0
Charges	2.5			0.9			—			3.4
Utilizations	(8.9		)	(3.5		)	(1.5		)	(13.9		)
Balance as of December 31, 2012	$	7.8		$	5.5		$	0.2		$	13.5
Charges	9.0			4.1			0.6			13.7
Utilizations	(7.1		)	(3.6		)	(0.7		)	(11.4		)
Balance as of December 31, 2013	$	9.7		$	6.0		$	0.1		$	15.8

Schedule of Restructuring and Related Costs by Segment [Table Text Block]

A summary of restructuring activity by business segment is presented below:

(dollars in millions)	Wireline			Wireless			IT Services and Hardware			Data Center Colocation			Corporate			Total
Balance as of December 31, 2010	$	12.8		$	1.0		$	1.3		$	1.4		$	3.8		$	20.3
Charges	7.7			—			1.9			—			2.6			12.2
Utilizations	(5.4		)	(0.3		)	(0.7		)	(1.4		)	(0.7		)	(8.5		)
Balance as of December 31, 2011	$	15.1		$	0.7		$	2.5		$	—		$	5.7		$	24.0
Charges/(Reversals)	3.5			1.6			(1.2		)	0.5			(1.0		)	3.4
Utilizations	(10.0		)	(0.7		)	(0.8		)	(0.5		)	(1.9		)	(13.9		)
Balance as of December 31, 2012	$	8.6		$	1.6		$	0.5		$	—		$	2.8		$	13.5
Charges	9.1			0.2			0.7			—			3.7			13.7
Utilizations	(7.2		)	(0.3		)	(0.4		)	—			(3.5		)	(11.4		)
Balance as of December 31, 2013	$	10.5		$	1.5		$	0.8		$	—		$	3.0		$	15.8