Consolidated Statements of Operations (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Revenue	$ 3,545.7	$ 703.0
Operating expenses
Cost of transportation and services	1,945.1	440.8
Direct operating expense	1,106.2	151.2
Sales, general and administrative expense	432.0	115.8
Total operating expenses	3,483.3	707.8
Operating income (loss)	62.4	(4.8)
Other expense	1.2	0.2
Foreign currency loss	3.1	0.2
Interest expense	93.1	23.1
Loss before income tax benefit	(35.0)	(28.3)
Income tax benefit	(15.7)	(13.6)
Net loss	(19.3)	(14.7)
Cumulative preferred dividends	(0.7)	(0.7)
Net income attributable to noncontrolling interests	(3.2)	0.0
Net loss attributable to common shareholders	$ (23.2)	$ (15.4)
Basic loss per share (in usd per share)	$ (0.21)	$ (0.20)
Diluted loss per share (in usd per share)	$ (0.21)	$ (0.20)
Weighted-average common shares outstanding
Basic weighted-average common shares outstanding	109,628,094	78,825,639
Diluted weighted-average common shares outstanding	109,600,000	78,800,000