Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
OPERATING ACTIVITIES:
Net (loss) income	$ (63,707)	$ 182,753
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities:
Depreciation and amortization, including amortization of debt issuance costs	68,201	53,090
Loss (gain) on early extinguishment or revaluation of liabilities, net	3,281	(29,952)
Non-cash equity-based compensation expense	8,821	22,337
Gain on disposal or impairment of assets, net	(11,214)	(204,319)
Provision for doubtful accounts	519	12
Net adjustments to fair value of commodity derivatives	(36,500)	59,700
Equity in earnings of unconsolidated entities	(1,816)	(394)
Distributions of earnings from unconsolidated entities	1,426	177
Revaluation of investments	0	14,365
Other	3,670	(1,378)
Changes in operating assets and liabilities, exclusive of acquisitions:
Accounts receivable-trade and affiliates	150,748	(75,403)
Inventories	(5,739)	(154,625)
Other current and noncurrent assets	13,510	(57,692)
Accounts payable-trade and affiliates	(142,007)	108,844
Other current and noncurrent liabilities	11,798	11,945
Net cash provided by (used in) operating activities	991	(70,540)
INVESTING ACTIVITIES:
Capital expenditures	(31,491)	(140,179)
Acquisitions, net of cash acquired	(19,897)	(14,458)
Cash flows from settlements of commodity derivatives	23,287	(21,535)
Proceeds from sales of assets	20,135	438
Proceeds from sale of TLP common units	0	112,370
Investments in unconsolidated entities	(5,250)	0
Distributions of capital from unconsolidated entities	2,115	2,941
Payments on loan for natural gas liquids facility	2,401	2,130
Loan to affiliate	(500)	(1,000)
Payments on loan to affiliate	0	655
Payment to terminate development agreement	0	(16,875)
Net cash used in investing activities	(9,200)	(75,513)
FINANCING ACTIVITIES:
Proceeds from borrowings under Revolving Credit Facility	299,500	433,500
Payments on Revolving Credit Facility	(344,500)	(454,500)
Repurchase of senior secured and senior notes	(74,391)	(15,129)
Payments on other long-term debt	(1,327)	(2,102)
Debt issuance costs	(2,096)	(45)
Contributions from noncontrolling interest owners, net	23	329
Distributions to partners	(53,399)	(40,696)
Distributions to noncontrolling interest owners	0	(1,355)
Proceeds from sale of preferred units, net of offering costs	202,977	235,180
Repurchase of warrants	(10,549)	0
Payments for settlement and early extinguishment of liabilities	(745)	(26,374)
Other	0	(53)
Net cash provided by financing activities	15,493	128,755
Net increase (decrease) in cash and cash equivalents	7,284	(17,298)
Cash and cash equivalents, beginning of period	12,264	28,176
Cash and cash equivalents, end of period	19,548	10,878
Supplemental cash flow information:
Cash interest paid	54,335	29,187
Income taxes paid (net of income tax refunds)	1,247	1,684
Supplemental non-cash investing and financing activities:
Accrued capital expenditures	1,389	$ 6,800
Limited Partner
FINANCING ACTIVITIES:
Repurchase of warrants	$ (10,549)