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Long-Term Borrowings (Details) (USD $) In Thousands, unless otherwise specified | 0 Months Ended | 3 Months Ended | 9 Months Ended |  | 9 Months Ended |  | 3 Months Ended | 9 Months Ended |  |  | 0 Months Ended | 9 Months Ended |  |  | 9 Months Ended |  | 3 Months Ended | 9 Months Ended |  |  |  |  | 9 Months Ended |
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Aug. 01, 2012 | Jun. 28, 2014 | Jun. 29, 2013 | Jun. 28, 2014 | Jun. 29, 2013 | Sep. 28, 2013 | Jun. 28, 2014 Amended Credit Agreement Due 2017 [Member] | Jun. 28, 2014 Amended Credit Agreement Due 2017 [Member] LIBOR [Member] | Jun. 28, 2014 Amended Credit Agreement Due 2017 [Member] Federal Funds Rate [Member] | Aug. 01, 2012 364-Day Facility [Member] | Mar. 29, 2014 Revolving Credit Facility [Member] | Jun. 28, 2014 Revolving Credit Facility [Member] | Sep. 28, 2013 Revolving Credit Facility [Member] | Jan. 05, 2012 Revolving Credit Facility [Member] | May 27, 2014 7.5% Senior Notes due October 1, 2018 [Member] | Jun. 28, 2014 7.5% Senior Notes due October 1, 2018 [Member] | Sep. 28, 2013 7.5% Senior Notes due October 1, 2018 [Member] | Aug. 01, 2012 7.5% Senior Notes due October 1, 2018 [Member] | Jun. 28, 2014 7.375% Senior Notes due March 15, 2020 [Member] | Sep. 28, 2013 7.375% Senior Notes due March 15, 2020 [Member] | Jun. 29, 2013 7.375% Senior Notes due August 1, 2021 [Member] | Jun. 28, 2014 7.375% Senior Notes due August 1, 2021 [Member] | Sep. 28, 2013 7.375% Senior Notes due August 1, 2021 [Member] | Aug. 06, 2013 7.375% Senior Notes due August 1, 2021 [Member] | Aug. 02, 2013 7.375% Senior Notes due August 1, 2021 [Member] | Aug. 01, 2012 7.375% Senior Notes due August 1, 2021 [Member] | Jun. 28, 2014 5.50% Senior Notes due June 1, 2024 [Member] | Sep. 28, 2013 5.50% Senior Notes due June 1, 2024 [Member]
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term borrowings |  | $ 1,243,297 |  | $ 1,243,297 |  | $ 1,245,237 |  |  |  |  |  | $ 100,000 | $ 100,000 |  |  | $ 0 | $ 525,171 |  | $ 248,763 | $ 248,600 |  | $ 369,534 | $ 371,466 |  |  |  | $ 525,000 | $ 0
Stated interest rate (in hundredths) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.50% |  |  | 7.375% |  |  | 7.375% |  |  |  |  | 5.50% |
Maturity date |  |  |  |  |  |  |  |  |  |  |  | Jan. 05, 2017 |  |  |  | Oct. 01, 2018 |  |  | Mar. 15, 2020 |  |  | Aug. 01, 2021 |  |  |  |  | Jun. 01, 2024 |
Ownership interest in Suburban Energy Finance Corp (in hundredths) |  | 100.00% |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net unamortized premium |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 28,614 |  |  |  |  | 23,354 | 25,286 |  |  |  |  |
Net unamortized discount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,237 | 1,400 |  |  |  |  |  |  |  |
Date public offering completed |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Aug. 01, 2012 |  |  | Mar. 23, 2010 |  |  | Aug. 01, 2012 |  |  |  |  | May 27, 2014 |
Aggregate principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 496,557 |  |  | 250,000 |  |  | 503,443 |  |  |  |  | 525,000 |
Fair value of debt at acquisition date (in hundredths) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 106.875% |  |  |  |  |  |  |  | 108.125% |  |
Debt instrument repurchase amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 157,263 |  |  | 23,863 | 133,400 |  |  |
Loss on the extinguishment of debt |  | (11,589) | 0 | (11,589) | 0 |  |  |  |  |  |  |  |  |  | 11,589 |  |  |  |  |  | 2,144 |  |  |  |  |  |  |
Redemption premium and related fees |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 31,633 |  |  |  |  |  | 11,759 |  |  |  |  |  |  |
Write-off unamortized debt origination costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,230 |  |  |  |  |  | 2,064 |  |  |  |  |  |  |
Write-off unamortized premium |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (25,274) |  |  |  |  |  | (11,678) |  |  |  |  |  |  |
Percentage of principal amount at which debt was issued (in hundredths) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 99.136% |  |  |  |  |  |  |  | 100.00% |
Percentage of the principal amount repurchase offer under change of control provision (in hundredths) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 101.00% |  |  | 101.00% |  |  | 101.00% |  |  |  |  | 101.00% |
Number of days after the consummation of the change of control that a rating decline may occur to trigger offer to repurchase debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 90 days |  |  | 90 days |  |  | 90 days |  |  |  |  | 90 days |
Revolving credit facility, term |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility borrowings |  |  |  |  |  |  |  |  |  |  | 55,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit Facility, maximum amount |  |  |  |  |  |  |  |  |  | 250,000 |  | 400,000 |  | 250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Standby letters of credit issued under the Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  | 53,681 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available borrowing capacity under Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  | 246,319 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility and Senior Notes covenants [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated interest coverage ratio, minimum | 2.0 to 1.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total consolidated leverage ratio, maximum |  |  |  | 7.0 to 1.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated interest coverage ratio commencing with second quarter of fiscal 2014, minimum |  |  |  | 2.5 to 1.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated fixed charge coverage ratio, minimum |  |  |  | 1.75 to 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated leverage ratio commencing with second quarter of fiscal 2013, minimum |  |  |  | 4.75 to 1.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated leverage ratio commencing with second quarter of fiscal 2013, during acquisition period, minimum |  |  |  | 5.0 to 1.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Description of variable rate basis |  |  |  |  |  |  |  | LIBOR | Federal Funds Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Margin over basis rate (in hundredths) |  |  |  | 1.00% |  |  |  | 1.00% | 0.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average interest rate (in hundredths) |  |  |  |  |  |  | 2.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swap agreement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective date |  |  |  |  |  |  | Jun. 25, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Termination date |  |  |  |  |  |  | Jan. 05, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate (in hundredths) |  |  |  |  |  |  | 1.63% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt maturities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt maturities, 2014 |  | 0 |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt maturities, 2015 |  | 0 |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt maturities, 2016 |  | 0 |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt maturities, 2017 |  | 100,000 |  | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt maturities, 2018 |  | 0 |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt maturities, 2019 and thereafter |  | $ 1,121,180 |  | $ 1,121,180 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- 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
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- Definition Number of days following a change of control, as defined in the indenture, that a rating decline (a decrease in the rating of the notes by either Moody's Investors Service or Standard and Poor's Rating group by one or more gradations) can occur to trigger repurchase offer. + References No definition available. + Details
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- 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
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- 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
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References 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 + Details
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- Definition Fair value amount of debt instrument that was repurchased. + References No definition available. + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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