Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets
Cash and cash equivalents	$ 23.6	$ 73.7
Receivables, less allowances of $13.3 and $11.6	199.0	179.4
Inventory, materials and supplies	30.7	23.8
Deferred income taxes	26.8	30.2
Prepaid expenses	11.8	11.2
Other current assets	11.6	2.7
Total current assets	303.5	321.0
Property, plant and equipment, net	1,587.4	1,400.5
Goodwill	290.6	290.6
Intangible assets, net	196.8	216.9
Deferred income taxes	407.8	423.5
Other noncurrent assets	86.3	62.2
Total assets	2,872.4	2,714.7
Current liabilities
Current portion of long-term debt	13.4	13.0
Accounts payable	135.6	133.4
Unearned revenue and customer deposits	51.2	48.2
Accrued taxes	21.6	15.5
Accrued interest	41.3	45.6
Accrued payroll and benefits	52.1	52.6
Other current liabilities	40.2	48.1
Total current liabilities	355.4	356.4
Long-term debt, less current portion	2,676.0	2,520.6
Pension and postretirement benefit obligations	362.7	389.9
Other noncurrent liabilities	176.5	163.0
Total liabilities	3,570.6	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 December 31, 2012 and 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; 202,960,430 and 196,322,649 shares issued; 202,468,710 and 195,721,796 shares outstanding at December 31, 2012 and 2011	2.0	2.0
Additional paid-in capital	2,590.9	2,584.6
Accumulated deficit	(3,208.8)	(3,220.0)
Accumulated other comprehensive loss	(209.7)	(208.9)
Common shares in treasury, at cost	(2.0)	(2.3)
Total shareowners' deficit	(698.2)	(715.2)
Total liabilities and shareowners' deficit	$ 2,872.4	$ 2,714.7