CONSOLIDATED STATEMENTS OF PARTNERS' CAPITAL (USD $) In Millions	Total	Units Common	Units Class B Common	General Partner's Interest	Accumulated Other Comprehensive Income	Comprehensive Income
Partners' capital balance at Dec. 31, 2009	$ 141.3	$ 152.8	$ (0.1)	$ (14.6)	$ 3.2
Increase (Decrease) in Partners' Capital
Net earnings	135.8	99.9	1.3	34.6		135.8
Change in fair value of derivatives	(3.2)				(3.2)	(3.2)
Comprehensive income						132.6
Distributions	(94.5)	(66.6)	(0.9)	(27.0)
Partners' capital balance at Sep. 30, 2010	179.4	186.1	0.3	(7.0)
Partners' capital balance at Dec. 31, 2010	210.0	208.5	0.6	0.9
Increase (Decrease) in Partners' Capital
Net earnings	378.2	212.1	3.6	162.5		378.2
Comprehensive income						378.2
Distributions	(318.7)	(184.1)	(3.1)	(131.5)
Partners' capital balance at Sep. 30, 2011	$ 269.5	$ 236.5	$ 1.1	$ 31.9

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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-Publisher FASB

-Name Accounting Standards Codification

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

-Number 51

-Paragraph 30

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-Name Accounting Research Bulletin (ARB)

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Comprehensive Income

-URI http://asc.fasb.org/extlink&oid=6508144

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Net Income

-URI http://asc.fasb.org/extlink&oid=6518256

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-Name Accounting Standards Codification

-Glossary Other Comprehensive Income

-URI http://asc.fasb.org/extlink&oid=6519514

+ Details

- Definition

Net of tax effect change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges, that is attributable to the parent entity. The change includes an entity's share of an equity investee's increase (decrease) in deferred hedging gains or losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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+ Details