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Distributions of Available Cash - Additional Information (Details) | 12 Months Ended
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Sep. 28, 2024
Distributions Made to Members or Limited Partners [Abstract] |
Distributions to its partners | 45 days

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- Definition Maximum period after end of each term partnership makes distributions to its limited partners. + References No definition available. + Details
Name: | sph_MaximumPeriodAfterEndOfEachTermPartnershipMakesDistributionsToItsLimitedPartners
Namespace Prefix: | sph_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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