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Goodwill (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jun. 29, 2013	Sep. 29, 2012
Goodwill [Abstract]
Projection period for discounted cash flow analyses to estimate reporting unit fair value	10 years
Goodwill [Line Items]
Goodwill	$ 1,087,429	$ 1,087,429
Propane [Member]
Goodwill [Line Items]
Goodwill	1,075,091	1,075,091
Goodwill increase (decrease) during the period	5,820
Fuel Oil and Refined Fuels [Member]
Goodwill [Line Items]
Goodwill	4,438	4,438
Goodwill increase (decrease) during the period	(10,690)
Natural Gas and Electricity [Member]
Goodwill [Line Items]
Goodwill	$ 7,900	$ 7,900

X

- Definition

The length in years of the projection period used in estimating the fair value of the reporting unit using discounted cash flow analyses.

+ References

No definition available.

+ Details

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X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

+ Details

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X

- Details

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- Details

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X

- Definition

Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 16

-URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e961-128460

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