Name:	sph_AggregateCashConsentPayments
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The average of the high and low sales prices of the Partnership's common units for a specified number of consecutive trading days ending on the day prior to the execution of the Contribution Agreement.

No definition available.

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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The acquisition-date fair value of the equity interests of the acquirer, including the number of instruments or interests issued or issuable in consideration for the business combination.

No definition available.

Name:	sph_BusinessAcquisitionCostOfAcquiredEntityEquityInterestsIssuedAndIssuableToAcquiree
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The cash due to the tendering noteholders of the acquiree's notes in connection with the exchange of notes.

No definition available.

Name:	sph_CashDueToTenderingNoteholdersInConnectionWithNoteExchange
Namespace Prefix:	sph_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

Cash to by paid by the acquiree in a business combination to the Partnership pursuant to the Contribution Agreement.

No definition available.

Name:	sph_CashPaidByAcquireeToPartnership
Namespace Prefix:	sph_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

Cash to by paid by the acquiree in a business combination to the Partnership, net of amounts owed to acquiree by Partnership, pursuant to the Contribution Agreement.

No definition available.

Name:	sph_CashPaidByAcquireeToPartnershipNetOfAmountsOwedToAcquireeByPartnership
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Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

The common units issued by the Partnership to the acquiree in satisfaction of cash consideration due to the acquiree in connection with the note exchange.

No definition available.

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Namespace Prefix:	sph_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of common units of the Partnership that the acquiree will subsequently distribute to its unitholders.

No definition available.

Name:	sph_CommonUnitsToBeDistributedByAcquireeToItsUnitholders
Namespace Prefix:	sph_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Year when the debt instrument is scheduled to be fully repaid.

No definition available.

Name:	sph_DebtInstrumentYearOfMaturity
Namespace Prefix:	sph_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

The volume of fuel oil and refined fuels sold by the acquiree in the fiscal year prior to the business combination.

No definition available.

Name:	sph_FuelOilAndRefinedFuelsSoldByAcquiree
Namespace Prefix:	sph_
Data Type:	num:volumeItemType
Balance Type:	na
Period Type:	duration

The maximum consolidated leverage ratio that must be maintained by the Partnership pursuant to certain debt covenants.

No definition available.

Name:	sph_MaximumConsolidatedLeverageRatio
Namespace Prefix:	sph_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	instant

The minimum consolidated interest coverage ratio that must be maintained by the Partnership pursuant to certain debt covenants.

No definition available.

Name:	sph_MinimumConsolidatedInterestCoverageRatio
Namespace Prefix:	sph_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	instant

The number of trading days ending on the day prior to the execution of the Contribution Agreement used to determine the average of the high and low sales prices of the Partnership's common units, which was used to determine the number of common units to be issued pursuant to the Contribution Agreement.

No definition available.

Name:	sph_NumberOfTradingDays
Namespace Prefix:	sph_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

The percentage of the total outstanding principal amount of exchanged notes for which the Partnership had received tenders and consents from holders.

No definition available.

Name:	sph_OutstandingPrincipalAmountForWhichTendersAndConsentsHadBeenReceived
Namespace Prefix:	sph_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The volume of propane sold by the acquiree in the fiscal year prior to the business combination.

No definition available.

Name:	sph_PropaneSoldByAcquiree
Namespace Prefix:	sph_
Data Type:	num:volumeItemType
Balance Type:	na
Period Type:	duration

The period of time for which the facility is available for use.

No definition available.

Name:	sph_TermOfFacility
Namespace Prefix:	sph_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

The total common units of the Partnership issued to the acquiree in connection with the business combination, including shares issued to satisfy certain cash consideration requirements in connection with the exchange of outstanding notes.

No definition available.

Name:	sph_TotalCommonUnitsIssuedToAcquireeIncludingUnitsIssuedInConnectionWithNoteExchange
Namespace Prefix:	sph_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of common units of the Partnership that will be retained by the acquiree after distribution of common units to its unitholders.

No definition available.

Name:	sph_TotalCommonUnitsRetainedByAcquiree
Namespace Prefix:	sph_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of common units of the Partnership that will be retained by the acquiree after distribution of common units to its unitholders as a percentage of the total common units issued to the acquiree.

No definition available.

Name:	sph_TotalCommonUnitsRetainedByAcquireePercentage
Namespace Prefix:	sph_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

The value of the common units of the Partnership that will be retained by the acquiree after distribution of common units to its unitholders.

No definition available.

Name:	sph_TotalCommonUnitsRetainedByAcquireeValue
Namespace Prefix:	sph_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

Amount of potential cash payments that could result from the contingent consideration arrangement.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The acquisition-date fair value of the equity interests of the acquirer, including the number of instruments or interests issued or issuable in consideration for the business combination.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph f(4)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 88-16

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 39

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Data Type:	xbrli:monetaryItemType
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The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Number of shares of equity interests issued or issuable to acquire entity.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=6909870&loc=d3e1392-128463

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 54

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 55

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph r(2, 3)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Data Type:	num:perShareItemType
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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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Namespace Prefix:	us-gaap_
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Period Type:	duration

- Details

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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Data Type:	xbrli:monetaryItemType
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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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Balance Type:	credit
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Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number APB14-1

-Paragraph 31

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Interest rate stated in the contractual debt agreement.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Data Type:	num:percentItemType
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Amount borrowed under the credit facility as of the balance sheet date.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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Balance Type:	credit
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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Data Type:	xbrli:monetaryItemType
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The number of states the entity operates in as of the balance sheet date.

No definition available.