CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Revenue	$ 725.7	$ 730.2	$ 727.0
Costs and expenses:
Operating (excluding depreciation and amortization)	376.4	405.2	397.4
Selling, general and administrative	175.2	170.2	159.3
Depreciation and amortization	169.3	151.0	133.4
Impairment losses on intangibles and goodwill		14.0	9.7
Loss (gain) on sale of operating assets, net			5.4
Total costs and expenses	720.9	740.4	705.2
Income (loss) from operations	4.8	(10.2)	21.8
Other income (expense):
Interest expense	(93.5)	(130.0)	(141.9)
Loss on early extinguishment of debt	(3.2)
Other income, net	9.5	1.3	3.8
Loss from continuing operations before provision for income tax	(82.4)	(138.9)	(116.3)
Income tax benefit	13.8	30.6	33.9
Loss from continuing operations	(68.6)	(108.3)	(82.4)
Discontinued Operations (Note 1)
Income from discontinued operations, net of tax	839.1	122.7	118.8
Net income	$ 770.5	$ 14.4	$ 36.4
Basic and diluted (loss) per common share - continuing operations
Basic (in dollars per share)	$ (0.83)	$ (1.33)	$ (1.02)
Diluted (in dollars per share)	(0.83)	(1.33)	(1.02)
Basic and diluted earnings per common share - discontinued operations
Basic (in dollars per share)	10.14	1.51	1.47
Diluted (in dollars per share)	10.14	1.51	1.47
Basic and diluted earnings per common share
Basic (in dollars per share)	9.31	0.18	0.45
Diluted (in dollars per share)	$ 9.31	$ 0.18	$ 0.45
Weighted-average common shares outstanding
Basic (in shares)	82,720,934	81,561,707	80,713,926
Diluted (in shares)	82,720,934	81,561,707	80,713,926