CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 27.3	$ 69.4
Accounts receivable—trade, net of allowance for doubtful accounts of $6.0 and $5.8, respectively	83.8	81.5
Accounts receivable—other	5.9	2.1
Prepaid expenses and other	19.1	12.2
Total current assets	136.1	165.2
Plant, property and equipment, net	997.7	924.7
Franchise operating rights	809.2	952.4
Goodwill	270.9	384.1
Intangible assets subject to amortization, net	4.0	5.5
Other noncurrent assets	32.9	9.7
Total assets	2,250.8	2,441.6
Current liabilities
Accounts payable—trade	34.6	26.1
Accrued interest	4.8	3.6
Accrued liabilities and other	90.9	94.5
Current portion of debt and capital lease obligations	24.2	24.0
Current portion of unearned service revenue	50.1	43.2
Total current liabilities	204.6	191.4
Long-term debt and capital lease obligations—less current portion and debt issuance costs	2,275.0	2,227.2
Deferred income taxes, net	161.6	220.4
Other noncurrent liabilities	8.9	7.0
Total liabilities	2,650.1	2,646.0
Commitments and contingencies
Stockholders' deficit:
Preferred stock, $0.01 par value, 100,000,000 shares authorized; 0 shares issued and outstanding
Common stock, $0.01 par value, 700,000,000 shares authorized; 90,573,690 and 88,887,915 issued as of September 30, 2018 and December 31, 2017, respectively; 82,694,850 and 88,426,742 outstanding as of September 30, 2018 and December 31, 2017, respectively	0.9	0.9
Additional paid-in capital	310.7	299.9
Accumulated other comprehensive income	5.4
Accumulated deficit	(638.3)	(500.4)
Treasury stock at cost, 7,878,840 and 461,173 shares as of September 30, 2018 and December 31, 2017, respectively	(78.0)	(4.8)
Total stockholders' deficit	(399.3)	(204.4)
Total liabilities and stockholders’ deficit	$ 2,250.8	$ 2,441.6