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Long-Term Borrowings (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |  |  | 12 Months Ended |  |  | 12 Months Ended |  | 12 Months Ended |  |  | 12 Months Ended |  | 12 Months Ended |  |  | 3 Months Ended |  |  | 12 Months Ended |  |
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Sep. 29, 2012 | Sep. 24, 2011 | Sep. 25, 2010 | Dec. 01, 2015 | Sep. 29, 2012 Amended Credit Agreement [Member] | Sep. 29, 2012 Amended Credit Agreement Due 2017 [Member] | Sep. 29, 2012 Senior Note 2021 [Member] | Aug. 01, 2012 364-Day Facility [Member] | Sep. 29, 2012 Revolving Credit Facility [Member] | Sep. 24, 2011 Revolving Credit Facility [Member] | Sep. 29, 2012 Senior Notes Due 2018 [Member] | Aug. 01, 2012 Senior Notes Due 2018 [Member] | Sep. 24, 2011 Senior Notes Due 2018 [Member] | Sep. 29, 2012 Senior Notes Due 2020 [Member] | Sep. 24, 2011 Senior Notes Due 2020 [Member] | Sep. 29, 2012 Senior Notes Due 2021 [Member] | Aug. 01, 2012 Senior Notes Due 2021 [Member] | Sep. 24, 2011 Senior Notes Due 2021 [Member] | Mar. 27, 2010 Senior Notes Due 2013 [Member] | Sep. 29, 2012 Amended Credit Agreement [Member] | Sep. 29, 2012 Amended Credit Agreement [Member] 364-Day Facility [Member] | Aug. 01, 2012 Amended Credit Agreement [Member] 364-Day Facility [Member] | Sep. 29, 2012 Amended Credit Agreement [Member] Revolving Credit Facility [Member] | Aug. 01, 2012 Amended Credit Agreement [Member] Revolving Credit Facility [Member] | Jul. 31, 2012 Amended Credit Agreement [Member] Revolving Credit Facility [Member]
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term borrowings | $ 1,422,078 | $ 348,169 |  |  |  |  |  |  | $ 100,000 | $ 100,000 | $ 529,923 |  | $ 0 | $ 248,385 | $ 248,169 | $ 543,770 |  | $ 0 |  |  |  |  |  |  |
Stated interest rate (in hundredths) |  |  |  |  |  |  |  |  |  |  | 7.50% |  |  | 7.375% |  | 7.375% |  |  | 6.875% |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  |  | Jan. 05, 2017 |  | Oct. 01, 2018 |  |  | Mar. 15, 2020 |  | Aug. 01, 2021 |  |  |  |  |  |  |  |  |
Net unamortized discount |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,615 | 1,831 |  |  |  |  |  |  |  |  |  |
Net unamortized premium |  |  |  |  |  |  |  |  |  |  | 33,366 |  |  |  |  | 40,327 |  |  |  |  |  |  |  |  |
Date public offering completed |  |  |  |  |  |  |  |  |  |  | 2012-08-01 |  |  | 2010-03-23 |  | 2012-08-01 |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  |  |  |  |  |  |  |  | 496,557 |  |  | 250,000 |  | 503,443 |  |  |  |  |  |  |  |  |
Percentage of interest owned in subsidiary (in hundredths) | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of debt at acquisition date (in hundredths) |  |  |  |  |  |  |  |  |  |  |  | 106.875% |  |  |  |  | 108.125% |  |  |  |  |  |  |  |
Percentage of principal amount at which debt was issued (in hundredths) |  |  |  |  |  |  |  |  |  |  | 106.875% |  |  | 99.136% |  | 108.125% |  |  |  |  |  |  |  |  |
Loss on the extinguishment of debt, total | 2,249 | 0 | 9,473 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,473 |  |  |  |  |  |
Loss on the extinguishment of debt related to repurchase premium and related fees |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,231 |  |  |  |  |  |
Loss on the extinguishment of debt related to write-off in unamortized debt origination costs and unamortized discount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,242 |  |  |  |  |  |
Percentage of the principal amount repurchase offer under change of control provision (in hundredths) |  |  |  |  |  |  |  |  |  |  |  |  |  | 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 |  |  |  |  |  |  |  |  |  |  |
Credit Facility, maximum amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 250,000 | 250,000 | 400,000 | 400,000 | 250,000
Term Of Facility |  |  |  |  |  |  |  | 364 days |  |  |  |  |  |  |  |  |  |  |  |  |  | 364 days |  |  |
Revolving Credit Facility, outstanding amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 225,000 |  | 225,000 |  |  |
Repayments of short-term borrowings | 225,000 | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility, term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |
Senior Notes [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2014 |  |  |  |  |  |  |  |  |  |  | 103.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |
2015 |  |  |  |  |  |  |  |  |  |  | 101.875% |  |  | 103.688% |  |  |  |  |  |  |  |  |  |  |
2016 and thereafter |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
2016 |  |  |  |  |  |  |  |  |  |  |  |  |  | 102.459% |  | 103.688% |  |  |  |  |  |  |  |  |
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  | 101.229% |  | 102.459% |  |  |  |  |  |  |  |  |
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 101.229% |  |  |  |  |  |  |  |  |
2018 and thereafter |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |
2019 and thereafter |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |
Standby letters of credit issued under the Revolving Credit Facility |  |  |  |  |  |  |  |  | 46,842 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available borrowing capacity under Revolving Credit Facility |  |  |  |  |  |  |  |  | 253,158 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility borrowings | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility and 2020 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 fixed charge coverage ratio, minimum | 1.75 to 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in Consolidated fixed charge coverage ratio, minimum | 2.0 to 1.0 |  |  | 2.5 to 1.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Decrease in Consolidated fixed charge coverage ratio, minimum | 5.75 to 1.0 |  |  | 4.75 to 1.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swap agreement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional Amount | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective date | Mar. 31, 2010 |  |  |  |  | Jun. 25, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Termination date | Jun. 25, 2013 |  |  |  |  | Jan. 05, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate (in hundredths) | 3.12% |  |  |  |  | 1.63% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt origination costs [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on the extinguishment of debt related to write-off in unamortized debt origination costs and unamortized discount | 2,249 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capitalized debt origination costs | 28,076 | 7,207 |  |  | 10,314 |  | 14,885 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt maturities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt maturities, 2013 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt maturities, 2014 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt maturities, 2015 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt maturities, 2016 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt maturities, 2017 | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt maturities, 2018 and thereafter | $ 1,250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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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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