v3.25.2
Unit-Based Compensation Arrangements - Summary of Activity For Restricted Units Plans (Details) - 2018 Restricted Unit Plan [Member]
 9 Months Ended
Jun. 28, 2025
$ / shares
shares
Units [Rollforward]  
Outstanding, beginning of period (in units) | shares 1,100,278
Awarded (in units) | shares 509,951
Forfeited (in units) | shares (15,582)
Vested (in units) | shares (601,624) [1]
Outstanding, ending of period (in units) | shares 993,023
Weighted Average Grant Date Fair Value Per Unit [Abstract]  
Outstanding, beginning of period (in dollars per unit) | $ / shares $ 13.37
Awarded (in dollars per unit) | $ / shares 15.09
Forfeited (in dollars per unit) | $ / shares (13.59)
Vested (in dollars per unit) | $ / shares (13.29) [1]
Outstanding, end of period (in dollars per unit) | $ / shares $ 14.29
[1] During fiscal 2025, the Partnership withheld 156,540 Common Units from participants for income tax withholding purposes for those executive officers of the Partnership whose shares of restricted units vested during the period