Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 4.6	$ 23.6
Receivables, less allowances of $12.2 and $13.3	145.6	199.0
Receivable from CyrusOne	9.2	0
Inventory, materials and supplies	23.8	30.7
Deferred income taxes	55.3	26.8
Prepaid expenses	11.0	11.8
Other current assets	1.6	11.6
Total current assets	251.1	303.5
Property, plant and equipment, net	902.8	1,587.4
Investment in CyrusOne	471.0	0
Goodwill	14.4	290.6
Intangible assets, net	91.7	196.8
Deferred income taxes	339.7	407.8
Other noncurrent assets	36.6	86.3
Total assets	2,107.3	2,872.4
Current liabilities
Current portion of long-term debt	12.6	13.4
Accounts payable	89.4	135.6
Payable to CyrusOne	0.5	0
Unearned revenue and customer deposits	32.5	51.2
Accrued taxes	12.9	21.6
Accrued interest	31.6	41.3
Accrued payroll and benefits	38.0	52.1
Other current liabilities	36.8	40.2
Total current liabilities	254.3	355.4
Long-term debt, less current portion	2,252.6	2,676.0
Pension and postretirement benefit obligations	202.7	362.7
Other noncurrent liabilities	74.4	176.5
Total liabilities	2,784.0	3,570.6
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, 2013 and 2012; liquidation preference $1,000 per share ($50 per depositary share)	129.4	129.4
Common shares, $.01 par value; 480,000,000 shares authorized; 208,656,995 and 202,960,430 shares issued; 208,165,275 and 202,468,710 shares outstanding at December 31, 2013 and 2012	2.1	2.0
Additional paid-in capital	2,590.6	2,590.9
Accumulated deficit	(3,263.5)	(3,208.8)
Accumulated other comprehensive loss	(133.3)	(209.7)
Common shares in treasury, at cost	(2.0)	(2.0)
Total shareowners' deficit	(676.7)	(698.2)
Total liabilities and shareowners' deficit	$ 2,107.3	$ 2,872.4