CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Revenue	$ 291.6	$ 297.8	$ 868.4	$ 895.3
Costs and expenses:
Operating (excluding depreciation and amortization)	152.7	153.2	467.9	470.4
Selling, general and administrative	37.0	38.1	116.4	100.9
Depreciation and amortization	46.3	49.0	139.0	150.1
Impairment losses on intangibles and goodwill			256.4
Gain on sale of assets	(1.5)		(1.5)
Management fee to related party				1.0
Total costs and expenses	234.5	240.3	978.2	722.4
Income (loss) from operations	57.1	57.5	(109.8)	172.9
Other income (expense):
Interest expense	(35.0)	(32.2)	(96.8)	(122.0)
Gain on sale of Lawrence, Kansas system				38.4
Loss on early extinguishment of debt		(26.1)		(32.1)
Other income, net	0.5	0.3	1.7	1.7
Income (loss) before provision for income tax	22.6	(0.5)	(204.9)	58.9
Income tax benefit (expense)	7.9	(1.6)	57.9	16.4
Net income (loss)	$ 30.5	$ (2.1)	$ (147.0)	$ 75.3
Basic and diluted earnings (loss) per common shares
Basic (in dollars per share)	$ 0.38	$ (0.02)	$ (1.79)	$ 0.99
Diluted (in dollars per share)	$ 0.37	$ (0.02)	$ (1.79)	$ 0.99
Weighted-average common shares outstanding
Basic (in shares)	80,663,128	86,973,345	82,319,223	76,014,568
Diluted (in shares)	81,569,173	86,973,345	82,319,223	76,096,401