Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Unaudited Condensed Consolidated Statements of Operations
Revenue	$ 175.5	$ 178.0	$ 350.9	$ 347.4
Costs and expenses:
Cost of revenue, excluding depreciation and amortization	35.8	37.2	68.0	76.5
Selling, general and administrative	45.1	52.9	93.8	109.9
Depreciation and amortization	66.9	68.7	137.9	136.0
Restructuring charges	1.6	0.4	4.5	2.6
Income from operations	26.1	18.8	46.7	22.4
Interest expense, net	(4.7)	(5.4)	(9.8)	(18.1)
Income before income taxes	21.4	13.4	36.9	4.3
Income tax expense	(7.9)	(5.4)	(13.9)	(1.2)
Equity in earnings from joint ventures, net of tax	(1.3)		(2.2)
Net income	12.2	8.0	20.8	3.1
Preferred stock dividends	(1.0)	(1.0)	(2.0)	(2.0)
Net income less preferred stock dividends	11.2	7.0	18.8	1.1
Income allocated to participating securities	0.5	0.3	0.9
Net income available to common stockholders	$ 10.7	$ 6.7	$ 17.9	$ 1.1
Earnings (loss) per share:
Basic earnings per share (in dollars per share)	$ 0.17	$ 0.09	$ 0.28	$ 0.02
Diluted earnings per share (in dollars per share)	$ 0.17	$ 0.09	$ 0.28	$ 0.02
Weighted average common shares outstanding:
Basic (in shares)	62.9	72.1	63.9	72.3
Diluted (in shares)	63.4	72.8	64.2	73.1