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Unit-Based Compensation Arrangements (Tables) | 12 Months Ended
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Sep. 25, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Summary of activity In the Restricted Unit Plans | The following is a summary of activity in the Restricted Unit Plans:
|  |  |  |  |  | Weighted Average |
|  |  |  |  |  | Grant Date Fair |
|  | Units |  |  | Value Per Unit |
Outstanding September 29, 2018 |  |  | 696,131 |  |  | $ | 19.47 |
Awarded |  |  | 618,268 |  |  |  | 18.13 |
Forfeited |  |  | (5,904 | ) |  |  | (18.34 | )
Vested (1) |  |  | (320,156 | ) |  |  | (21.08 | )
Outstanding September 28, 2019 |  |  | 988,339 |  |  |  | 18.12 |
Awarded |  |  | 471,111 |  |  |  | 18.19 |
Forfeited |  |  | (9,975 | ) |  |  | (18.01 | )
Vested (1) |  |  | (487,659 | ) |  |  | (19.22 | )
Outstanding September 26, 2020 |  |  | 961,816 |  |  |  | 17.60 |
Awarded |  |  | 779,837 |  |  |  | 14.43 |
Forfeited |  |  | (26,070 | ) |  |  | (15.29 | )
Vested (1) |  |  | (483,720 | ) |  |  | (18.58 | )
Outstanding September 25, 2021 |  |  | 1,231,863 |  |  | $ | 15.26 |
(1) | During fiscal 2021, 2020 and 2019, the Partnership withheld 92,336, 76,453 and 59,227 Common Units, respectively, from participants for income tax withholding purposes for those executive officers of the Partnership whose shares of restricted units vested during the period.

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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