CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2009	Sep. 30, 2009	Jun. 30, 2009	Mar. 31, 2009	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenue:
Revenue													$ 1,534,434	$ 1,241,563	$ 858,635
Derivative loss													(29,035)	(53,932)	(120,352)
Total revenue	333,913	507,826	400,439	263,221	299,991	255,411	323,850	308,379					1,505,399	1,187,631	738,283
Operating expenses:
Purchased product costs													682,370	578,627	408,826
Derivative loss related to purchased product costs													52,960	27,713	68,883
Facility expenses													173,598	151,449	126,977
Derivative gain related to facility expenses													(6,480)	(1,295)	(373)
Selling, general and administrative expenses													81,229	75,258	63,728
Depreciation													149,954	123,198	95,537
Amortization of intangible assets													43,617	40,833	40,831
Loss on disposal of property, plant and equipment													8,797	3,149	1,677
Accretion of asset retirement obligations													1,190	237	198
Impairment of goodwill and long-lived assets															5,855
Total operating expenses													1,187,235	999,169	812,139
Income (loss) from operations	(7,557)	207,801	133,214	(15,294)	25,172	646	109,071	53,573					318,164	188,462	(73,856)
Other income (expense):
(Loss) earnings from unconsolidated affiliates													(1,095)	1,562	3,505
Gain on sale of unconsolidated affiliate															6,801
Interest income													422	1,670	349
Interest expense													(113,631)	(103,873)	(87,419)
Amortization of deferred financing costs and discount (a component of interest expense)													(5,114)	(10,264)	(9,718)
Derivative gain related to interest expense														1,871	2,509
Loss on redemption of debt	(35,500)			(43,300)	(46,300)								(78,996)	(46,326)
Miscellaneous income, net													144	1,189	2,459
Income (loss) before provision for income tax													119,894	34,291	(155,370)
Provision for income tax expense (benefit):
Current													17,578	7,655	8,072
Deferred													(3,929)	(4,466)	(50,088)
Total provision for income tax													13,649	3,189	(42,016)
Net income (loss)	(61,743)	153,454	89,205	(74,671)	(43,194)	(18,676)	66,968	26,004					106,245	31,102	(113,354)
Net income attributable to non-controlling interest													(45,550)	(30,635)	(5,314)
Net income (loss) attributable to the Partnership	$ (74,085)	$ 140,312	$ 78,497	$ (84,029)	$ (54,109)	$ (27,151)	$ 60,217	$ 21,510					$ 60,695	$ 467	$ (118,668)
Net income (loss) attributable to the Partnership's common unitholders per common unit (Note 23):
Basic (in dollars per unit)	$ (0.87)	$ 1.77	$ 1.03	$ (1.13)	$ (0.76)	$ (0.39)	$ 0.84	$ 0.32					$ 0.75	$ (0.01)	$ (1.97)
Diluted (in dollars per unit)	$ (0.87)	$ 1.77	$ 1.03	$ (1.13)	$ (0.76)	$ (0.39)	$ 0.84	$ 0.32					$ 0.75	$ (0.01)	$ (1.97)
Weighted average number of outstanding common units:
Basic (in units)													78,466	70,128	60,957
Diluted (in units)													78,619	70,128	60,957
Cash distribution declared per common unit (in dollars per unit)	$ 0.76	$ 0.73	$ 0.70	$ 0.67	$ 0.65	$ 0.64	$ 0.64	$ 0.64	$ 0.64	$ 0.64	$ 0.64	$ 0.64	$ 2.75	$ 2.56	$ 2.56