UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities
Net income	$ 41.4
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation	3.4
Changes in operating assets and liabilities
Accounts receivable	6.1
Allowance oil	0.3
Prepaid expenses	1.1
Accounts payable	(6.2)
Deferred revenue	6.9
Accrued liabilities	4.4
Net cash provided by operating activities	57.4
Cash flows from investing activities
Capital expenditures	(2.5)
Return of investment	3.2
Payment of pre-Offering distributions from investments	(11.9)
Net cash used in investing activities	(11.2)
Cash flows from financing activities
Quarterly distributions paid to unitholders and General Partner	(14.4)
Quarterly distribution paid to noncontrolling interest	(25.1)
Net cash used in financing activities	(39.5)
Net increase in cash and cash equivalents	6.7
Cash at beginning of the period	150.2
Cash at end of the period	156.9
Non-cash investing transactions
Change in accrued capital expenditures	(0.5)
Predecessor
Cash flows from operating activities
Net income		15.0
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation		2.8
Changes in operating assets and liabilities
Accounts receivable		1.1
Allowance oil		(6.1)
Prepaid expenses		1.0
Accounts payable		1.2
Deferred revenue		9.8
Accrued liabilities		11.1
Net cash provided by operating activities		35.9
Cash flows from investing activities
Capital expenditures		(21.4)
Net cash used in investing activities		(21.4)
Cash flows from financing activities
Net distributions to Parent		(14.5)
Net cash used in financing activities		(14.5)
Non-cash investing transactions
Change in accrued capital expenditures		$ (4.7)