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Goodwill (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Dec. 27, 2014 | Sep. 27, 2014
Goodwill [Abstract] |  |
Projection period for discounted cash flow analyses to estimate reporting unit fair value | 10 years |
Goodwill [Line Items] |  |
Goodwill | $ 1,087,429 us-gaap_Goodwill | $ 1,087,429 us-gaap_Goodwill
Propane [Member] |  |
Goodwill [Line Items] |  |
Goodwill | 1,075,091 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = sph_PropaneMember | 1,075,091 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = sph_PropaneMember
Fuel oil and refined fuels [Member] |  |
Goodwill [Line Items] |  |
Goodwill | 4,438 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = sph_FuelOilAndRefinedFuelsMember | 4,438 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = sph_FuelOilAndRefinedFuelsMember
Natural gas and electricity [Member] |  |
Goodwill [Line Items] |  |
Goodwill | $ 7,900 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = sph_NaturalGasAndElectricityMember | $ 7,900 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = sph_NaturalGasAndElectricityMember

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- 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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- 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=35741047&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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- Details
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- Details
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- Details
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- Details
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Period Type: |

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- Details
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Period Type: |