XML 61 R50.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Long-Term Borrowings - Additional Information (Details) - USD ($) |  |  | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 25, 2015 | May. 27, 2014 | Dec. 26, 2015 | Sep. 26, 2015 | Aug. 06, 2013 | Aug. 02, 2013 | Aug. 01, 2012
Debt Instrument [Line Items] |  |  |  |  |  |  |
Ownership interest in Suburban Energy Finance Corp (in hundredths) |  |  | 100.00% |  |  |  |
Long-term borrowings |  |  | $ 1,240,392,000 | $ 1,241,107,000 |  |  |
Consolidated interest coverage ratio, minimum |  |  | 2.5 |  |  |  |
Total consolidated leverage ratio, maximum |  |  | 4.75 |  |  |  |
Consolidated leverage ratio during acquisition period, maximum |  |  | 5.0 |  |  |  |
Margin over basis rate (in hundredths) |  |  | 1.00% |  |  |  |
Notional Amount |  |  | $ 100,000,000 |  |  |  |
Consolidated fixed charge coverage ratio, minimum |  |  | 1.75 |  |  |  |
Long-term debt maturities, 2016 |  |  | $ 0 |  |  |  |
Long-term debt maturities, 2017 |  |  | 100,000,000 |  |  |  |
Long-term debt maturities, 2018 |  |  | 0 |  |  |  |
Long-term debt maturities, 2019 |  |  | 0 |  |  |  |
Long-term debt maturities, 2020 |  |  | 0 |  |  |  |
Long-term debt maturities, 2020 and thereafter |  |  | 1,121,180,000 |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Standby letters of credit issued under the Revolving Credit Facility |  |  | 46,183,000 |  |  |  |
Available borrowing capacity under Revolving Credit Facility |  |  | $ 253,817,000 |  |  |  |
Propane USA Distribution, LLC [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Consolidated leverage ratio during acquisition period, maximum |  |  | 5.0 |  |  |  |
Amended Credit Agreement Due 2017 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Weighted average interest rate (in hundredths) |  |  | 2.60% |  |  |  |
Effective date |  |  | Jun. 25, 2013 |  |  |  |
Termination date |  |  | Jan. 05, 2017 |  |  |  |
Fixed interest rate (in hundredths) |  |  | 1.63% |  |  |  |
Amended Credit Agreement Due 2017 [Member] | Federal Funds Rate [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Description of applicable interest rate on borrowings |  |  | Federal Funds Rate |  |  |  |
Margin over basis rate (in hundredths) |  |  | 0.50% |  |  |  |
Amended Credit Agreement Due 2017 [Member] | LIBOR [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Description of applicable interest rate on borrowings |  |  | LIBOR |  |  |  |
Margin over basis rate (in hundredths) |  |  | 1.00% |  |  |  |
7.5% Senior Notes due October 1, 2018 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Date public offering completed |  |  | Aug. 01, 2012 |  |  |  |
Aggregate principal amount |  |  | $ 496,557,000 |  |  |  |
Stated interest rate (in hundredths) |  |  | 7.50% |  |  |  |
Maturity date |  |  | Oct. 01, 2018 |  |  |  |
Fair value of debt at acquisition date (in hundredths) |  |  |  |  |  |  | 106.875%
Loss on debt extinguishment |  | $ 11,589,000 |  |  |  |  |
Redemption premium and related fees |  | 31,633,000 |  |  |  |  |
Write-off unamortized debt origination costs |  | 5,230,000 |  |  |  |  |
Write-off unamortized premium |  | $ (25,274,000) |  |  |  |  |
7.375% Senior Notes due August 1, 2021 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Date public offering completed |  |  | Aug. 01, 2012 |  |  |  |
Aggregate principal amount |  |  | $ 503,443,000 |  |  |  |
Stated interest rate (in hundredths) |  |  | 7.375% | 7.375% |  |  |
Maturity date |  |  | Aug. 01, 2021 |  |  |  |
Fair value of debt at acquisition date (in hundredths) |  |  |  |  |  |  | 108.125%
Debt instrument repurchase amount |  |  |  |  | $ 23,863,000 | $ 133,400,000 |
Percentage of the principal amount repurchase offer under change of control provision (in hundredths) |  |  | 101.00% |  |  |  |
Repurchase of debt due to decline in rating after consummation of change of control, period |  |  | 90 days |  |  |  |
Long-term borrowings |  |  | $ 365,392,000 | $ 366,107,000 |  |  |
7.375% Senior Notes due March 15, 2020 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Date public offering completed |  |  | Mar. 23, 2010 |  |  |  |
Aggregate principal amount |  |  | $ 250,000,000 |  |  |  |
Stated interest rate (in hundredths) |  |  | 7.375% |  |  |  |
Maturity date |  |  | Mar. 15, 2020 |  |  |  |
Loss on debt extinguishment | $ 15,072,000 |  |  |  |  |  |
Redemption premium and related fees | 11,124,000 |  |  |  |  |  |
Write-off unamortized debt origination costs | 2,855,000 |  |  |  |  |  |
Percentage of principal amount at which debt was issued (in hundredths) |  |  | 99.136% |  |  |  |
Write-off unamortized discount | $ 1,093,000 |  |  |  |  |  |
5.5% Senior Notes due June 1, 2024 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Date public offering completed |  |  | May 27, 2014 |  |  |  |
Aggregate principal amount |  |  | $ 525,000,000 |  |  |  |
Stated interest rate (in hundredths) |  |  | 5.50% | 5.50% |  |  |
Maturity date |  |  | Jun. 01, 2024 |  |  |  |
Percentage of principal amount at which debt was issued (in hundredths) |  |  | 100.00% |  |  |  |
Percentage of the principal amount repurchase offer under change of control provision (in hundredths) |  |  | 101.00% |  |  |  |
Repurchase of debt due to decline in rating after consummation of change of control, period |  |  | 90 days |  |  |  |
Long-term borrowings |  |  | $ 525,000,000 | $ 525,000,000 |  |  |
5.75% Senior Notes due March 1, 2025 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Date public offering completed |  |  | Feb. 25, 2015 |  |  |  |
Aggregate principal amount |  |  | $ 250,000,000 |  |  |  |
Stated interest rate (in hundredths) |  |  | 5.75% | 5.75% |  |  |
Maturity date |  |  | Mar. 01, 2025 |  |  |  |
Percentage of principal amount at which debt was issued (in hundredths) |  |  | 100.00% |  |  |  |
Percentage of the principal amount repurchase offer under change of control provision (in hundredths) |  |  | 101.00% |  |  |  |
Repurchase of debt due to decline in rating after consummation of change of control, period |  |  | 90 days |  |  |  |
Long-term borrowings |  |  | $ 250,000,000 | $ 250,000,000 |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Maturity date |  |  | Jan. 05, 2017 |  |  |  |
Long-term borrowings |  |  | $ 100,000,000 | $ 100,000,000 |  |  |
Revolving Credit Facility [Member] | Amended Credit Agreement Due 2017 [Member] |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Credit Facility, maximum amount |  |  | $ 400,000,000 |  |  |  |
Revolving credit facility, term |  |  | 5 years |  |  |  |

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition The indenture governing the 2020 Senior Notes, requires the Partnership's consolidated fixed charge coverage ratio, as defined, to exceed a minimum ratio to permit the Partnership to make cash distributions equal to available cash, as defined, as of the end of the immediately preceding quarter, if no event of default exists or would exist upon making such distributions. + References No definition available. + Details
Name: | sph_ConsolidatedFixedChargeCoverageRatioMinimum
Namespace Prefix: | sph_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition The Revolving Credit Facility contains certain financial covenants including requiring the Partnership's consolidated interest coverage ratio, as defined, to be not less than a minimum ratio as of the end of any fiscal quarter. + References No definition available. + Details
Name: | sph_ConsolidatedInterestCoverageRatioMinimum
Namespace Prefix: | sph_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Consolidated leverage ratio for acquisition. + References No definition available. + Details
Name: | sph_ConsolidatedLeverageRatioForAcquisition
Namespace Prefix: | sph_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition The Revolving Credit Facility contains certain financial covenants including prohibiting the total consolidated leverage ratio, as defined, of the Partnership from exceeding a maximum ratio as of the end of any fiscal quarter. + References No definition available. + Details
Name: | sph_ConsolidatedLeverageRatioMaximum
Namespace Prefix: | sph_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition The premium or discount, stated as a percentage of the principal amount, at which a debt instrument was issued. + References No definition available. + Details
Name: | sph_DebtInstrumentPremiumDiscountPercentage
Namespace Prefix: | sph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of expense related to the repurchase premium and related fees related to debt instruments. + References No definition available. + Details
Name: | sph_DebtInstrumentRepurchasePremiumAndRelatedFees
Namespace Prefix: | sph_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The fair value of the acquired debt at the acquisition date expressed as a percentage of the principal amount of the debt. + References No definition available. + Details
Name: | sph_FairValueOfDebtAtAcquisitionDatePercentage
Namespace Prefix: | sph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of the principal amount of the debt instrument required to be offered to repurchase the debt instrument under a change of control provision. + References No definition available. + Details
Name: | sph_PercentageOfPrincipalAmountRepurchaseOfferUnderChangeOfControlProvisionInHundredths
Namespace Prefix: | sph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The parent entity's ownership interest of a subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | sph_PercentageOfWhollyOwnedSubsidiary
Namespace Prefix: | sph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Repurchase of debt within period after consummation of change of control. + References No definition available. + Details
Name: | sph_RepurchaseOfDebtWithinPeriodAfterConsummationOfChangeOfControl
Namespace Prefix: | sph_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Write off of unamortized discount. + References No definition available. + Details
Name: | sph_WriteOffOfUnamortizedDiscount
Namespace Prefix: | sph_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Write-off amount of unamortized premium in an extinguishment of debt. + References No definition available. + Details
Name: | sph_WriteOffUnamortizedPremium
Namespace Prefix: | sph_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: 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=34725769&loc=d3e28878-108400 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 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References 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(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentMaturityDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the debt instrument was offered for sale, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
Name: | us-gaap_DebtInstrumentOfferingDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value amount of debt instrument that was repurchased. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentRepurchaseAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Date the entity entered into the derivative contract, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_DerivativeInceptionDates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the derivative contract matures, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_DerivativeMaturityDates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629 + Details
Name: | us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The effective interest rate at the end of the reporting period. + References 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition 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. + References 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
Name: | us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References 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 + Details
Name: | us-gaap_LongTermDebtNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_WriteOffOfDeferredDebtIssuanceCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=sph_PropaneUSADistributionLLCIncludingAffiliatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=sph_AmendedRevolvingCreditFacilityDue2017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_FederalFundsEffectiveSwapRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sph_SeniorNotesDue2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sph_SeniorNoteDue2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sph_SeniorNotesDue2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sph_SeniorNotesDue2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sph_SeniorNotesDue2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |