Business Segment Information (Tables)

12 Months Ended

Dec. 31, 2011

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

business segment information is as follows:

	Year Ended December 31,
(dollars in millions)	2011			2010			2009
Revenue
Wireline	$	732.1		$	742.5		$	763.1
Wireless	277.6			289.2			307.0
Data Center Colocation	184.7			125.3			71.8
IT Services and Hardware	300.5			254.7			231.3
Intersegment	(32.5		)	(34.7		)	(37.2		)
Total revenue	$	1,462.4		$	1,377.0		$	1,336.0
Intersegment revenue
Wireline	$	23.0		$	24.4		$	25.7
Wireless	2.3			2.6			3.4
Data Center Colocation	2.1			1.8			0.9
IT Services and Hardware	5.1			5.9			7.2
Total intersegment revenue	$	32.5		$	34.7		$	37.2
Operating income
Wireline	$	228.5		$	233.5		$	255.6
Wireless	3.3			56.3			33.0
Data Center Colocation	46.4			34.2			17.0
IT Services and Hardware	9.8			4.3			10.7
Corporate	(28.5		)	(29.0		)	(20.8		)
Total operating income	$	259.5		$	299.3		$	295.5
Expenditures for long-lived assets
Wireline	$	112.6		$	98.7		$	133.5
Wireless	17.6			11.7			34.9
Data Center Colocation	118.5			557.4			23.3
IT Services and Hardware	6.8			8.6			6.4
Corporate	—			—			0.4
Total expenditures for long-lived assets	$	255.5		$	676.4		$	198.5
Depreciation and amortization
Wireline	$	102.4		$	103.9		$	103.9
Wireless	33.5			33.4			39.4
Data Center Colocation	54.8			34.6			15.0
IT Services and Hardware	8.4			7.3			6.2
Corporate	0.4			0.3			0.4
Total depreciation and amortization	$	199.5		$	179.5		$	164.9
	As of December 31,
(dollars in millions)	2011			2010			2009
Assets
Wireline	$	713.6		$	694.1		$	704.9
Wireless	295.2			359.3			383.4
Data Center Colocation	964.0			857.2			279.6
IT Services and Hardware	36.6			34.7			23.2
Corporate and eliminations	705.3			708.3			673.2
Total assets	$	2,714.7		$	2,653.6		$	2,064.3

Revenue from External Customers by Products and Services [Table Text Block]

Details of our service and product revenues including eliminations are as follows:

	Year Ended December 31,
(dollars in millions)	2011		2010		2009
Service revenue
Wireline	$	703.3	$	710.9	$	729.7
Wireless	250.8		267.1		281.1
Data Center Colocation	182.6		123.5		70.9
IT Services and Hardware	114.1		97.8		88.2
Total service revenue	$	1,250.8	$	1,199.3	$	1,169.9
Product revenue
Handsets and accessories	$	30.3	$	19.5	$	22.5
IT, telephony and other equipment	181.3		158.2		143.6
Total product revenue	$	211.6	$	177.7	$	166.1

Reconciliation to Cash Flow Statement [Table Text Block]

The reconciliation of the Consolidated Statements of Cash Flows to expenditures for long-lived assets is as follows:

	Year Ended December 31,
(dollars in millions)	2011		2010		2009
Per Consolidated Statements of Cash Flows:
Capital expenditures	$	255.5	$	149.7	$	195.1
Acquisitions of businesses, net of cash acquired	—		526.7		3.4
Total expenditures for long-lived assets	$	255.5	$	676.4	$	198.5