CONDENSED CONSOLIDATED STATEMENTS OF PARTNERS' CAPITAL (unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Unitholders [Member]	Accumulated Other Comprehensive (Loss) [Member]
Balance, beginning of period at Sep. 24, 2022	$ 497,530	$ 510,126	$ (12,596)
Balance (in units) at Sep. 24, 2022		62,987
Net income	149,871	$ 149,871
Other comprehensive income	327		327
Partnership distributions	(41,105)	(41,105)
Common Units issued under Restricted Unit Plans	(2,732)	$ (2,732)
Common Units issued under Restricted Unit Plans (in units)		503
Compensation costs recognized under Restricted Unit Plans	4,360	$ 4,360
Balance, end of period at Mar. 25, 2023	608,251	$ 620,520	(12,269)
Balance (in units) at Mar. 25, 2023		63,490
Balance, beginning of period at Dec. 24, 2022	522,356	$ 534,788	(12,432)
Balance (in units) at Dec. 24, 2022		63,486
Net income	104,477	$ 104,477
Other comprehensive income	163		163
Partnership distributions	(20,634)	(20,634)
Common Units issued under Restricted Unit Plans	0	$ 0
Common Units issued under Restricted Unit Plans (in units)		4
Compensation costs recognized under Restricted Unit Plans	1,889	$ 1,889
Balance, end of period at Mar. 25, 2023	608,251	$ 620,520	(12,269)
Balance (in units) at Mar. 25, 2023		63,490
Balance, beginning of period at Sep. 30, 2023	546,356	$ 557,023	(10,667)
Balance (in units) at Sep. 30, 2023		63,521
Net income	135,954	$ 135,954
Other comprehensive income	338		338
Partnership distributions	(41,451)	(41,451)
Common Units issued under Restricted Unit Plans	(3,091)	$ (3,091)
Common Units issued under Restricted Unit Plans (in units)		501
Compensation costs recognized under Restricted Unit Plans	4,564	$ 4,564
Balance, end of period at Mar. 30, 2024	642,670	$ 652,999	(10,329)
Balance (in units) at Mar. 30, 2024		64,022
Balance, beginning of period at Dec. 30, 2023	549,888	$ 560,386	(10,498)
Balance (in units) at Dec. 30, 2023		64,015
Net income	111,500	$ 111,500
Other comprehensive income	169		169
Partnership distributions	(20,806)	$ (20,806)
Common Units issued under Restricted Unit Plans	0
Common Units issued under Restricted Unit Plans (in units)		7
Compensation costs recognized under Restricted Unit Plans	1,919	$ 1,919
Balance, end of period at Mar. 30, 2024	$ 642,670	$ 652,999	$ (10,329)
Balance (in units) at Mar. 30, 2024		64,022