Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement [Abstract]
Revenue	$ 2,362.1	$ 662.5	$ 4,281.0	$ 1,525.9
Operating expenses
Cost of transportation and services	1,237.3	487.4	2,385.4	1,170.5
Direct operating expense	798.1	71.0	1,267.5	102.2
Sales, general and administrative expense	282.6	117.7	618.7	300.1
Total operating expenses	2,318.0	676.1	4,271.6	1,572.8
Operating income (loss)	44.1	(13.6)	9.4	(46.9)
Other expense	1.6	0.3	3.9	0.7
Foreign currency loss	14.5	0.0	34.6	0.0
Interest expense	61.5	17.8	120.9	31.3
Loss before income tax benefit	(33.5)	(31.7)	(150.0)	(78.9)
Income tax expense (benefit)	1.9	(20.1)	(21.3)	(25.2)
Net loss	(35.4)	(11.6)	(128.7)	(53.7)
Preferred stock beneficial conversion charge	(52.0)	0.0	(52.0)	0.0
Cumulative preferred dividends	(0.7)	(0.7)	(2.2)	(2.2)
Net income attributable to noncontrolling interests	(5.0)	0.0	(0.6)	0.0
Net loss attributable to common shareholders	$ (93.1)	$ (12.3)	$ (183.5)	$ (55.9)
Basic loss per share (in usd per share)	$ (0.94)	$ (0.23)	$ (2.10)	$ (1.13)
Diluted loss per share (in usd per share)	$ (0.94)	$ (0.23)	$ (2.10)	$ (1.13)
Weighted average common shares outstanding
Basic weighted average common shares outstanding	98,568,971	54,469,943	87,315,661	49,497,353
Diluted weighted average common shares outstanding	98,600,000	54,500,000	87,300,000	49,500,000