Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current assets
Cash and cash equivalents	$ 7.7	$ 73.7
Receivables, less allowances of $13.1 and $11.6	193.8	179.4
Inventory, materials and supplies	26.0	23.8
Deferred income taxes, net	32.2	30.2
Prepaid expenses	13.8	11.2
Other current assets	11.9	2.7
Total current assets	285.4	321.0
Property, plant and equipment, net	1,510.4	1,400.5
Goodwill	290.6	290.6
Intangible assets, net	201.5	216.9
Deferred income taxes, net	392.6	423.5
Other noncurrent assets	71.8	62.2
Total assets	2,752.3	2,714.7
Current liabilities
Current portion of long-term debt	13.3	13.0
Accounts payable	132.2	133.4
Unearned revenue and customer deposits	48.7	48.2
Accrued taxes	19.7	15.5
Accrued interest	58.5	45.6
Accrued payroll and benefits	47.1	52.6
Other current liabilities	34.1	48.1
Total current liabilities	353.6	356.4
Long-term debt, less current portion	2,561.9	2,520.6
Pension and postretirement benefit obligations	355.7	389.9
Other noncurrent liabilities	165.7	163.0
Total liabilities	3,436.9	3,429.9
Shareowners' deficit
Preferred stock, 2,357,299 shares authorized, 155,250 shares (3,105,000 depositary shares) of 6 3/4% Cumulative Convertible Preferred Stock issued and outstanding at September 30, 2012 and December 31, 2011; liquidation preference $1,000 per share ($50 per depositary share)	129.4	129.4
Common shares, $.01 par value; 480,000,000 shares authorized; 199,922,339 and 196,322,649 shares issued; 199,430,620 and 195,721,796 outstanding at September 30, 2012 and December 31, 2011	2.0	2.0
Additional paid-in capital	2,587.5	2,584.6
Accumulated deficit	(3,199.0)	(3,220.0)
Accumulated other comprehensive loss	(202.5)	(208.9)
Common shares in treasury, at cost	(2.0)	(2.3)
Total shareowners' deficit	(684.6)	(715.2)
Total liabilities and shareowners' deficit	$ 2,752.3	$ 2,714.7