CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2021		Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 36.1		$ 12.4
Accounts receivable-trade, net of allowance for doubtful accounts of $9.1 and $8.6, respectively	58.5		69.5
Accounts receivable-other, net	3.0		3.7
Prepaid expenses and other	39.7		29.2
Total current assets	137.3		114.8
Right-of-use lease assets-operating	23.6		24.9
Property, plant and equipment, net	1,098.3		1,100.3
Franchise operating rights	785.5		785.5
Goodwill	408.8		408.8
Intangible assets subject to amortization, net	2.0		2.1
Other non-current assets	49.6		50.6
Total assets	2,505.1		2,487.0
Current liabilities
Accounts payable-trade	47.1		43.8
Accrued interest	3.6		4.0
Current portion of long-term lease liability-operating	6.6		6.5
Accrued liabilities and other	86.6		98.6
Current portion of long-term debt and finance lease obligations	38.4		37.5
Current portion of unearned service revenue	46.3		45.5
Total current liabilities	228.6		235.9
Long-term debt and finance lease obligations, net of debt issuance costs -less current portion	2,243.2		2,228.5
Long-term lease liability-operating	19.9		21.3
Deferred income taxes, net	202.1		200.6
Other non-current liabilities	13.3		13.1
Total liabilities	2,707.1		2,699.4
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; 95,853,288 and 95,187,161 issued as of March 31, 2021 and December 31, 2020, respectively; 87,116,738 and 86,847,797 outstanding as of March 31, 2021 and December 31, 2020, respectively	1.0		1.0
Additional paid-in capital	336.9		333.8
Accumulated other comprehensive loss	(2.2)		(6.5)
Accumulated deficit	(450.4)		(460.0)
Treasury stock at cost, 8,736,550 and 8,339,364 shares as of March 31, 2021 and December 31, 2020, respectively	(87.3)		(80.7)
Total stockholders' deficit	(202.0)	[1]	(212.4)
Total liabilities and stockholders' deficit	$ 2,505.1		$ 2,487.0

[1] Included in outstanding shares as of March 31, 2021 are 4,423,885 non-vested shares of restricted stock awards granted to employees and directors.