CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions		Dec. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents		$ 31.0	$ 193.2
Accounts receivable-trade, net of allowance for doubtful accounts of $4.3 for both periods		39.9	40.9
Accounts receivable-other, net		12.2	17.2
Prepaid expenses and other		37.8	30.7
Total current assets		120.9	282.0
Right-of-use lease assets-operating		15.0	17.2
Property, plant and equipment, net		725.8	722.3
Franchise operating rights		585.1	620.1
Goodwill		225.1	225.1
Intangible assets subject to amortization, net		1.3	1.7
Other non-current assets		44.2	38.3
Total assets		1,717.4	1,906.7
Current liabilities
Accounts payable-trade		46.1	50.3
Accrued interest		0.1	0.8
Current portion of long-term lease liability-operating		4.9	5.1
Accrued liabilities and other		68.7	218.7
Current portion of long-term debt and finance lease obligations		17.7	17.9
Current portion of unearned service revenue		27.2	28.1
Total current liabilities		164.7	320.9
Long-term debt and finance lease obligations, net of debt issuance costs -less current portion		725.0	723.5
Long-term lease liability-operating		11.6	13.8
Deferred income taxes, net		225.3	257.6
Other non-current liabilities		15.7	20.1
Total liabilities		1,142.3	1,335.9
Commitments and contingencies (Note 17)
Stockholders' equity:
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; 96,830,312 and 96,225,910 issued as of December 31, 2022 and December 31, 2021, respectively; 86,417,733 and 87,392,088 outstanding as of December 31, 2022 and December 31, 2021, respectively		1.0	1.0
Additional paid-in capital		374.7	348.5
Accumulated income		308.0	310.5
Treasury stock at cost, 10,412,579 and 8,833,822 shares as of December 31, 2022 and December 31, 2021, respectively		(108.6)	(89.2)
Total stockholders' equity	[1]	575.1	570.8
Total liabilities and stockholders' equity		$ 1,717.4	$ 1,906.7

[1] Included in outstanding shares as of December 31, 2022, 2021 and 2020 are 3,223,995, 4,325,124 and 4,990,971, respectively, of non-vested shares of restricted stock awards granted to employees and directors.