Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating activities
Net loss	$ (191.6)	$ (63.6)	$ (48.5)
Adjustments to reconcile net loss to net cash from operating activities
Provisions for allowance for doubtful accounts	12.9	6.9	2.6
Depreciation and amortization	364.9	98.3	20.8
Stock compensation expense	27.9	7.5	4.7
Accretion of debt	6.4	7.3	6.0
Deferred tax benefit	(91.9)	(30.0)	(22.7)
(Gain) Loss on sale of assets	(11.8)	0.3	(0.2)
(Gain) Loss on foreign currency transactions	(0.4)	0.3	(0.9)
Other	9.7	3.7	2.4
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable	7.8	(143.9)	(37.0)
Income tax receivable	(29.2)	2.1	0.1
Prepaid expense and other assets	(6.1)	7.1	(3.0)
Accounts payable	(51.3)	53.9	5.2
Accrued expenses and other liabilities	43.5	28.8	4.2
Cash flows provided (used) by operating activities	90.8	(21.3)	(66.3)
Investing activities
Acquisition of businesses, net of cash acquired	(3,887.0)	(814.0)	(458.8)
Loss on forward contract related to acquisition	(9.7)	0.0	0.0
Payment for purchases of property and equipment	(249.0)	(44.6)	(11.6)
Proceeds from sale of assets	60.3	0.0	0.0
Proceeds from sale of assets	0.0	0.3	0.1
Other	(4,085.4)	(858.3)	(470.3)
Financing activities
Proceeds from preferred stock and common stock offerings	1,260.0	1,131.3	253.6
Payment for equity issuance costs	(31.9)	(33.9)	(14.1)
Proceeds from issuance of long-term debt	4,151.8	500.0	0.0
Payment of debt issuance costs	(42.9)	(10.4)	0.0
Repayment of long-term debt	(1,215.6)	0.0	0.0
Proceeds from borrowings on revolving credit facility	0.0	130.0	73.3
Repayment of borrowings on revolving credit facility	0.0	(205.0)	0.0
Bank overdrafts	(12.3)	0.0	0.0
Purchase of noncontrolling interests	(459.7)	0.0	0.0
Dividends paid to preferred stockholders	(2.8)	(2.9)	(3.0)
Other	(1.7)	(6.9)	(4.1)
Cash flows provided by financing activities	3,644.9	1,502.2	305.7
Effect of exchange rates on cash	(4.6)	0.0	0.0
Net (decrease) increase in cash	(354.3)	622.6	(230.9)
Cash and cash equivalents, beginning of period	644.1	21.5	252.4
Cash and cash equivalents, end of period	289.8	644.1	21.5
Supplemental disclosure of cash flow information:
Cash paid for interest	168.2	19.0	12.4
Cash paid for income taxes	14.5	2.3	0.2
Equity portion of acquisition purchase price	19.1	138.2	10.4
Equity issued upon conversion of debt	$ 55.6	$ 27.1	$ 0.0