Partners' Capital and Distributions (New Common Units Issued To The Public For Cash) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended
Sep. 26, 2014	Sep. 16, 2013	Mar. 28, 2012	Sep. 26, 2014
Partners' Capital Notes [Abstract]
Units	4,600	5,750	5,750
Gross Unit Price		$ 47.51us-gaap_SaleOfStockPricePerShare	$ 30.80us-gaap_SaleOfStockPricePerShare	$ 50.71us-gaap_SaleOfStockPricePerShare
Issuance Value	$ 233,266	$ 273,183	$ 177,100
Costs	(7,541)	(9,609)	(7,679)
Net Proceeds	$ 225,725	$ 263,574	$ 169,421

Costs incurred in connection with common units issued to the public.

No definition available.

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- Definition

Monetary value of the issuance of new units of limited partnership interest in a public offering.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

+ Details

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- Definition

Monetary value of the issuance of new units of limited partnership interest in a public offering, net of offering costs. This is a parenthetical disclosure.

+ References

+ Details

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- Definition

The number of units sold in a public offering of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 5

-Subparagraph (SAB TOPIC 4.F)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 16

-Subparagraph a, b

-Article 6

+ Details

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- Details

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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

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