CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Revenue	$ 173.7	$ 184.0	$ 524.4	$ 547.4
Costs and expenses:
Operating (excluding depreciation and amortization)	79.1	93.4	249.4	286.9
Selling, general and administrative	39.7	44.8	117.3	132.8
Depreciation and amortization	45.0	42.3	132.9	126.0
Total costs and expenses	163.8	180.5	499.6	545.7
Income from operations	9.9	3.5	24.8	1.7
Other income (expense):
Interest expense	(10.5)	(22.4)	(25.8)	(82.6)
Other income, net	1.5	1.9	15.7	2.4
Income (loss) from continuing operations before provision for income tax	0.9	(17.0)	14.7	(78.5)
Income tax (expense) benefit	(0.4)	(4.2)	(4.5)	12.1
Income (loss) from continuing operations	0.5	(21.2)	10.2	(66.4)
Discontinued Operations (Note 3)
Income from discontinued operations, net of tax		539.1		606.3
Net income	$ 0.5	$ 517.9	$ 10.2	$ 539.9
Basic and diluted earnings (loss) per common share - continuing operations
Basic (in dollars per share)	$ 0.01	$ (0.26)	$ 0.12	$ (0.80)
Diluted (in dollars per share)	0.01	(0.26)	0.12	(0.80)
Basic and diluted earnings per common share - discontinued operations
Basic (in dollars per share)		6.50		7.34
Diluted (in dollars per share)		6.50		7.34
Basic and diluted earnings per common share
Basic (in dollars per share)	0.01	6.24	0.12	6.54
Diluted (in dollars per share)	$ 0.01	$ 6.24	$ 0.12	$ 6.54
Weighted-average common shares outstanding
Basic (in shares)	84,274,050	82,973,519	83,908,691	82,615,949
Diluted (in shares)	86,735,246	82,973,519	86,671,875	82,615,949