Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 8.5	$ 7.4
Restricted Cash and Cash Equivalents, Current	90.7	0.0
Receivables, less allowances of $9.8 and $12.4	172.2	157.1
Inventory, materials and supplies	23.0	20.6
Prepaid expenses	15.0	13.1
Other current assets	4.2	2.2
Total current assets	313.6	200.4
Property, plant and equipment, net	1,052.6	975.5
Investment in CyrusOne	21.0	55.5
Goodwill	14.3	14.3
Deferred income taxes, net	108.7	182.9
Other noncurrent assets	19.7	17.8
Total assets	1,529.9	1,446.4
Current liabilities
Current portion of long-term debt	98.8	13.8
Accounts payable	134.3	128.9
Unearned revenue and customer deposits	36.8	29.2
Accrued taxes	14.5	14.5
Accrued interest	8.3	11.2
Accrued payroll and benefits	35.9	31.2
Other current liabilities	25.3	25.0
Other current liabilities from discontinued operations	0.4	5.4
Total current liabilities	354.3	259.2
Long-term debt, less current portion	1,125.5	1,223.8
Pension and postretirement benefit obligations	214.0	225.0
Other noncurrent liabilities	30.9	36.6
Total liabilities	1,724.7	1,744.6
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 September 30, 2016 and December 31, 2015; liquidation preference $1,000 per share ($50 per depositary share)	129.4	129.4
Common shares, $.01 par value; 96,000,000 shares authorized; 42,055,001 and 42,003,600 shares issued; 42,026,791 and 41,975,390 shares outstanding at September 30, 2016 and December 31, 2015	0.4	0.4
Additional paid-in capital	2,573.3	2,577.7
Accumulated deficit	(2,730.8)	(2,834.2)
Accumulated other comprehensive loss	(166.6)	(171.0)
Common shares in treasury, at cost	(0.5)	(0.5)
Total shareowners' deficit	(194.8)	(298.2)
Total liabilities and shareowners' deficit	$ 1,529.9	$ 1,446.4