Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 9.7	$ 7.4
Receivables, less allowances of $9.9 and $12.4	178.6	157.1
Inventory, materials and supplies	22.7	20.6
Prepaid expenses	15.0	13.1
Other current assets	3.9	2.2
Total current assets	229.9	200.4
Property, plant and equipment, net	1,085.5	975.5
Investment in CyrusOne	128.0	55.5
Goodwill	14.3	14.3
Deferred income taxes, net	64.5	182.9
Other noncurrent assets	18.8	17.8
Total assets	1,541.0	1,446.4
Current liabilities
Current portion of long-term debt	7.5	13.8
Accounts payable	105.9	128.9
Unearned revenue and customer deposits	36.3	29.2
Accrued taxes	12.9	14.5
Accrued interest	12.7	11.2
Accrued payroll and benefits	25.7	31.2
Other current liabilities	31.9	25.0
Other current liabilities from discontinued operations	0.0	5.4
Total current liabilities	232.9	259.2
Long-term debt, less current portion	1,199.1	1,223.8
Pension and postretirement benefit obligations	197.7	225.0
Other noncurrent liabilities	33.0	36.6
Total liabilities	1,662.7	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 December 31, 2016 and 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; 42,056,237 and 42,003,600 shares issued; 42,056,237 and 41,975,390 shares outstanding at December 31, 2016 and 2015	0.4	0.4
Additional paid-in capital	2,570.9	2,577.7
Accumulated deficit	(2,732.1)	(2,834.2)
Accumulated other comprehensive loss	(90.3)	(171.0)
Common shares in treasury, at cost	0.0	(0.5)
Total shareowners' deficit	(121.7)	(298.2)
Total liabilities and shareowners' deficit	$ 1,541.0	$ 1,446.4

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.