CONDENSED CONSOLIDATED STATEMENT OF PARTNERS' CAPITAL (Unaudited) (USD $) In Thousands, unless otherwise specified	Common Unitholders [Member]	Accumulated Other Comprehensive (Loss) [Member]	Total	Comprehensive Income [Member]
Balance at Sep. 24, 2011	$ 418,134	$ (59,916)	$ 358,218
Balance (in units) at Sep. 24, 2011	35,429
Net income	63,482		63,482	63,482
Other comprehensive income:
Unrealized losses on cash flow hedges		(2,234)	(2,234)	(2,234)
Reclassification of realized losses on cash flow hedges into earnings		2,008	2,008	2,008
Amortization of net actuarial losses and prior service credits into earnings		3,586	3,586	3,586
Comprehensive income				66,842
Partnership distributions	(90,790)		(90,790)
Common Units issued under Restricted Unit Plans (in units)	116
Compensation cost recognized under Restricted Unit Plans, net of forfeitures	3,260		3,260
Balance at Jun. 23, 2012	$ 394,086	$ (56,556)	$ 337,530
Balance (in units) at Jun. 23, 2012	35,545