Consolidated Statements Of Income (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Revenues	$ 2,005.0		$ 1,933.2		$ 1,863.3
Operating Costs and Expenses:
Cost of providing services and products sold	1,289.5	[1]	1,240.4	[1]	1,157.8	[1]
Selling, general and administrative expenses	477.2		483.8		536.3
Research and development costs	10.8		14.0		18.0
Depreciation	82.4		76.3		87.6
Amortization	6.3		7.4		7.7
Restructuring charges	11.6		1.2		28.7
Asset impairment	88.6		0		181.1
Total costs and expenses	1,966.4		1,823.1		2,017.2
Operating Income (Loss)	38.6		110.1		(153.9)
Earnings from Cellular Partnerships, net	0		285.2		47.2
Other income (expense), net	4.3		9.8		8.9
Interest expense	(13.6)		(16.1)		(19.5)
Income (loss) before income taxes	29.3		389.0		(117.3)
Income tax expense	1.1		106.5		(7.5)
Income (loss) from continuing operations	28.2		282.5		(109.8)
Income (loss) from discontinued operations, net of tax	72.4		52.3		56.6
Net Income (Loss)	$ 100.6		$ 334.8		$ (53.2)
Basic Earnings (Loss) per share:
Continuing operations	$ 0.25		$ 2.35		$ (0.89)
Discontinued operations	$ 0.65		$ 0.44		$ 0.46
Net basic earnings (loss) per share	$ 0.90		$ 2.79		$ (0.43)
Diluted Earnings (Loss) per share:
Continuing operations	$ 0.24		$ 2.30		$ (0.89)
Discontinued operations	$ 0.62		$ 0.42		$ 0.46
Net diluted earnings (loss) per share	$ 0.86		$ 2.72		$ (0.43)
Weighted average common shares outstanding:
Basic	112.2		120.2		123.1
Diluted	117.1		122.9		123.1
Common Stock, Dividends, Per Share, Declared	$ 0.15		$ 0.00		$ 0.00

[1] Exclusive of depreciation and amortization, with the exception of amortization of deferred charges.