Condensed Consolidated Statement of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Net income	$ 411,803	$ 538,783
Adjustments to reconcile net income to net cash provided by operations:
Depreciation and amortization	145,975	140,863
Stock-based compensation	6,329	4,725
Change in fair value of catalyst lease obligations	(8,982)	(1,204)
Change in non-cash lower of cost or market adjustment	81,147	0
Non-cash change in inventory repurchase obligations	53,370	(31,602)
Pension and other post retirement benefit costs	19,340	16,462
Gain on disposition of property, plant and equipment	(1,133)	(162)
Changes in current assets and current liabilities:
Accounts receivable	155,645	(101,752)
Due to/from affiliates	12,566	3,998
Inventories	(110,830)	(378,538)
Prepaid expense and other current assets	(22,995)	25,612
Accounts payable	(122,748)	(76,008)
Accrued expenses	(342,781)	268,649
Deferred revenue	2,947	(6,017)
Other assets and liabilities	(21,884)	(15,740)
Net cash provided by operations	257,769	388,069
Cash flows from investing activities:
Expenditures for property, plant and equipment	(287,931)	(253,454)
Expenditures for deferred turnaround costs	(39,725)	(58,423)
Expenditures for other assets	(7,275)	(13,446)
Proceeds from sale of assets	168,270	74,343
Net cash used in investing activities	(166,661)	(250,980)
Cash flows from financing activities:
Proceeds from members' capital contributions	0	328,664
Proceeds from intercompany notes payable	29,773	90,761
Proceeds from Rail Facility revolver borrowings	102,075	35,925
Repayments of Rail Facility revolver borrowings	(71,938)	0
Distributions to members	0	(283,680)
Proceeds from revolver borrowings	0	395,000
Repayments of revolver borrowings	0	(410,000)
Deferred financing costs and other	0	(10,382)
Net cash provided by financing activities	59,910	146,288
Net increase in cash and cash equivalents	151,018	283,377
Cash and equivalents, beginning of period	218,403	76,970
Cash and equivalents, end of period	369,421	360,347
Non-cash activities:
Conversion of Delaware Economic Development Authority loan to grant	0	4,000
Accrued distributions	268,066	0
Accrued construction in progress and unpaid fixed assets	4,670	65,193
Conversion of Delaware Economic Development Authority loan to grant	$ 15,975	$ 70,185