CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2019		Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 13.0		$ 13.2
Accounts receivable—trade, net of allowance for doubtful accounts of $8.2 and $7.5, respectively	75.2		74.6
Accounts receivable—other	6.3		9.2
Prepaid expenses and other	20.6		15.4
Total current assets	115.1		112.4
Right-of-use assets—operating	25.9
Plant, property and equipment, net	1,058.5		1,053.4
Franchise operating rights	809.2		809.2
Goodwill	408.8		408.8
Intangible assets subject to amortization, net	3.9		3.6
Other noncurrent assets	37.5		32.2
Total assets	2,458.9		2,419.6
Current liabilities
Accounts payable—trade	30.7		42.0
Accrued interest	2.7		4.6
Current lease liability—operating	6.0
Accrued liabilities and other	103.7		93.2
Current portion of debt and finance lease obligations	26.9		24.1
Current portion of unearned service revenue	53.8		60.2
Total current liabilities	223.8		224.1
Long-term debt and finance lease obligations—less current portion and debt issuance costs	2,271.5		2,271.4
Long-term lease liability—operating	21.2
Deferred income taxes, net	202.3		201.4
Other noncurrent liabilities	20.9		13.0
Total liabilities	2,739.7		2,709.9
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; 92,515,078 and 90,572,693 issued as of June 30, 2019 and December 31, 2018, respectively; 84,473,673 and 82,680,380 outstanding as of June 30, 2019 and December 31, 2018, respectively	0.9		0.9
Additional paid-in capital	317.6		312.7
Accumulated other comprehensive loss	(18.1)		(6.5)
Accumulated deficit	(501.7)		(519.3)
Treasury stock at cost, 8,041,405 and 7,892,313 shares as of June 30, 2019 and December 31, 2018, respectively	(79.5)		(78.1)
Total stockholders’ deficit	(280.8)	[1]	(290.3)
Total liabilities and stockholders’ deficit	$ 2,458.9		$ 2,419.6

[1] Included in outstanding shares as of March 31, 2019 and June 30, 2019 are 3,703,649 and 3,601,021, respectively, of non-vested shares of restricted stock awards granted to employees and directors.