Condensed Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue:
Telecommunications services	$ 424.7	$ 450.2
Operating expenses:
Cost of telecommunications services	237.7	241.8
Selling, general and administrative expenses	108.2	104.1
Severance, restructuring and other exit costs	2.1	2.8
Depreciation and amortization	67.5	62.8
Operating Costs and Expenses, Total	415.5	411.5
Operating income	9.2	38.7
Other expenses:
Interest expense, net	(48.8)	(48.2)
Loss on debt extinguishment	(2.3)	0.0
Other expenses, net	(43.3)	(16.0)
Total other expenses	(94.4)	(64.2)
Loss before income taxes	(85.2)	(25.5)
(Benefit from) provision for income taxes	(1.9)	1.8
Net loss	$ (83.3)	$ (27.3)
Loss per share:
Basic (in dollars per share)	$ (1.45)	$ (0.49)
Diluted (in dollars per share)	$ (1.45)	$ (0.49)
Weighted average shares:
Basic (in shares)	57,259,699	55,839,212
Diluted (in shares)	57,259,699	55,839,212