Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 43,476	$ 24,109
Adjustments to reconcile net income to net cash provided by operating activities -
Depreciation and amortization	42,749	40,489
Amortization and write-off of credit facility issuance costs	2,102	2,498
Amortization of unearned income and initial direct costs on direct financing leases	(12,968)	(13,275)
Payments received under direct financing leases	16,389	16,389
Equity in earnings of investments in equity investees	(3,377)	(922)
Cash distributions of earnings of equity investees	6,725	1,494
Non-cash effect of equity-based compensation plans	(1,505)	1,941
Non-cash compensation credit		1,289
Deferred and other tax liabilities	(27)	649
Unrealized (gains) losses on derivative transactions	(4,370)	2,284
Other, net	690	139
Net changes in components of operating assets and liabilities, net of acquisitions (See Note 11)	(50,738)	(43,010)
Net cash provided by operating activities	39,146	34,074
CASH FLOWS FROM INVESTING ACTIVITIES:
Payments to acquire fixed and intangible assets	(15,157)	(8,799)
Cash distributions received from equity investees - return of investment	8,577	308
Investments in equity investees	(194)
Acquisition of FMT assets	(143,489)
Proceeds from asset sales	4,444	1,127
Other, net	129	(371)
Net cash used in investing activities	(145,690)	(7,735)
CASH FLOWS FROM FINANCING ACTIVITIES:
Bank borrowings	571,700	561,429
Bank repayments	(563,800)	(502,329)
Credit facility issuance fees	(3,018)	(7,584)
Issuance of common units for cash, net	184,969
General partner contributions		37
Noncontrolling interests contributions, net of distributions		(5)
Distributions to common unitholders	(82,067)	(43,644)
Distributions to general partner interest		(7,909)
Acquisition of non-controlling interests in DG Marine		(26,271)
Other, net	(2,626)	(1,153)
Net cash provided by (used in) financing activities	105,158	(27,429)
Net decrease in cash and cash equivalents	(1,386)	(1,090)
Cash and cash equivalents at beginning of period	5,762	4,148
Cash and cash equivalents at end of period	$ 4,376	$ 3,058