Property Plant and Equipment (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Property, Plant and Equipment [Abstract]
Land	$ 30,900,000	$ 9,800,000
Buildings and Improvements, Gross	736,200,000	616,900,000
Furniture and Fixtures, Gross	129,300,000	122,700,000
Fixtures and Equipment, Gross	2,701,300,000	2,609,200,000
Construction in Progress, Gross	78,300,000	41,200,000
Property, Plant and Equipment, Gross	3,676,000,000	3,399,800,000
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(2,275,500,000)	(2,135,400,000)
Property, plant and equipment, net	1,400,500,000	1,264,400,000
Property Plant and Equipment Income Statement Disclosures [Abstract]
Impairment of assets, excluding goodwill	2,100,000	0	0
Depreciation	180,400,000	167,900,000	160,800,000
Cost of Goods and Services Sold, Depreciation	0.84	0.82	0.82
Capitalized Leased and Other Financing Arrangements Assets, Gross	222,700,000	194,000,000
Land [Member]
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment, Useful Life, Minimum	20
Building and Building Improvements [Member]
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment, Useful Life, Minimum	3
Property, Plant and Equipment, Useful Life, Maximum	50
Equipment [Member]
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment, Useful Life, Minimum	2
Property, Plant and Equipment, Useful Life, Maximum	50
Property, Plant and Equipment, Useful Life, Minimum in Practice	9
Property, Plant and Equipment, Useful Life, Maximum in Practice	22
Furniture and Fixtures [Member]
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment, Useful Life, Minimum	3
Property, Plant and Equipment, Useful Life, Maximum	14
Wireless [Member]
Property Plant and Equipment Income Statement Disclosures [Abstract]
Impairment of assets, excluding goodwill	1,100,000
Wireline [Member]
Property Plant and Equipment Income Statement Disclosures [Abstract]
Impairment of assets, excluding goodwill	$ 1,000,000