CONDENSED CONSOLIDATED STATEMENT OF PARTNERS' CAPITAL (Unaudited) (USD $) In Thousands	Common Unitholders [Member]	Accumulated Other Comprehensive (Loss) [Member]	Total
Balance at Sep. 29, 2012	$ 1,151,606	$ (61,107)	$ 1,090,499
Balance (in units) at Sep. 29, 2012	57,013
Net income	141,917		141,917
Unrealized gains on cash flow hedges		930	930
Reclassification of realized losses on cash flow hedges into earnings		2,346	2,346
Amortization of net actuarial losses and prior service credits into earnings		3,596	3,596
Partnership distributions	(148,555)		(148,555)
Common Units issued under Restricted Unit Plans (in units)	113
Sale of Common Units under public offering, net of offering expenses	143,444		143,444
Sale of Common Units under public offering, net of offering expenses (in shares)	3,105
Compensation cost recognized under Restricted Unit Plans, net of forfeitures	3,253		3,253
Balance at Jun. 29, 2013	$ 1,291,665	$ (54,235)	$ 1,237,430
Balance (in units) at Jun. 29, 2013	60,231