Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Dec. 31, 2011

Accounting Policies [Abstract]

Schedule of Variable Interest Entities

):

	Carrying Value						Maximum Loss Exposure
	December 31, 2012			December 31, 2011			December 31, 2012			December 31, 2011
Investment in Unconsolidated Companies	$	54.7		$	33.5		$	54.7		$	33.5
Guarantee Obligations (1)	$	(23.3	)	$	(17.7	)	$	(144.8	)	$	(57.0	)

(1) We are party to guarantees of the third-party debt of these joint ventures and our maximum loss exposure is equal to the maximum monetary obligation pursuant to the guarantee agreements. We have also recorded a liability for our probable future obligation under a guarantee to the lender of one of these ventures, which is included within the carrying value of our guarantee obligations. Pursuant to an agreement with the lender, we may make partner loans to this joint venture that will reduce our maximum guarantee obligation on a dollar-for-dollar basis. The carrying value of our recorded guarantee obligations is included in other liabilities in our Consolidated Balance Sheet

Schedule of Increase to Interest Expense on the Exchangeable Notes

. The increase to interest expense (in thousands) on the Exchangeable Notes, which led to a corresponding decrease to net income, for the years ended December 31, 2011 and 2010 is summarized as follows:

Schedule of Earnings Per Share, Basic and Diluted

.

The following table reconciles the components of basic and diluted net income (loss) per common share or Common Unit (in thousands): 

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

. The following table summarizes the data that is excluded from the computation of net income (loss) per common share or Common Unit as a result of being anti-dilutive (in thousands): 

Reconciliation of Net Income to Taxable Income Before Dividends Paid Deduction

.

The following table reconciles the General Partner's net income (loss) to taxable income (loss) before the dividends paid deduction, and subject to the 90% distribution requirement, for the years ended December 31, 2012, 2011 and 2010 (in thousands): 

Computation of Dividends Paid Deduction

	2012			2011			2010
Net income (loss)	$	(75,868	)	$	96,309		$	65,262
Book/tax differences	148,456			(12,885		)	74,065
Taxable income before the dividends paid deduction	72,588			83,424			139,327
Less: capital gains	—			—			(62,403		)
Adjusted taxable income subject to the 90% distribution requirement	$	72,588		$	83,424		$	76,924

The General Partner's dividends paid deduction is summarized below (in thousands): 

Summary of Tax Characterization of Dividends Paid

	2012			2011			2010
Total Cash dividends paid	$	228,330		$	232,203		$	231,446
Less: Return of capital	(152,677		)	(144,208		)	(86,630		)
Dividends paid deduction	75,653			87,995			144,816
Less: Capital gain distributions	—			—			(62,403		)
Dividends paid deduction attributable to adjusted taxable income subject to the 90% distribution requirement	$	75,653		$	87,995		$	82,413

A summary of the tax characterization of the dividends paid by the General Partner for the years ended December 31, 2012, 2011 and 2010 follows: