Condensed Consolidated Statement Of Partners Capital (Unaudited) (USD $) In Thousands	Total	Common Unitholders [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Comprehensive Income [Member]
Balance at Sep. 25, 2010	$ 364,837	$ 422,063	$ (57,226)
Balance (in common units) at Sep. 25, 2010		35,318
Net income	136,658	136,658		136,658
Other comprehensive income:
Unrealized gains on cash flow hedges	(851)		(851)	(851)
Reclassification of realized losses on cash flow hedges into earnings	2,147		2,147	2,147
Amortization of net actuarial losses and prior service credits into earnings	3,146		3,146	3,146
Comprehensive income				141,100
Partnership distributions	(90,433)	(90,433)
Common Units issued under Restricted Unit Plans		105
Compensation cost recognized under Restricted Unit Plans, net of forfeitures	3,136	3,136
Balance at Jun. 25, 2011	$ 418,640	$ 471,424	$ (52,784)
Balance (in common units) at Jun. 25, 2011		35,423