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The maximum number of weeks in the fiscal year reporting calendar with the last day of each reporting period ending on a Saturday.

No definition available.

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Minimum number of weeks in a fiscal quarter so that the end of a quarter is always on a Saturday.

No definition available.

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The minimum number of weeks in the fiscal year reporting calendar with the last day of each reporting period ending on a Saturday.

No definition available.

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Number of limited partnerships included in the partnership as of the reporting period.

No definition available.

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

No definition available.

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No definition available.

Name:	sph_SummaryOfSignificantAccountingPoliciesLineItems
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No definition available.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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Data Type:	num:percentItemType
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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

No definition available.

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No definition available.

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No definition available.

Name:	us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
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No definition available.

Name:	us-gaap_InterestRateDerivativesAbstract
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Period Type:	duration

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

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Period Type:	duration

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentAbstract
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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
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Period Type:	duration

The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=sph_EquipmentPrimarilyTanksAndCylindersMember
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