CONDENSED CONSOLIDATED STATEMENT OF PARTNERS' CAPITAL (unaudited) - 3 months ended Dec. 24, 2016 - USD ($) shares in Thousands, $ in Thousands	Total	Common Unitholders [Member]	Accumulated Other Comprehensive (Loss) [Member]
Balance (in units) at Sep. 24, 2016		60,789
Balance at Sep. 24, 2016	$ 708,231	$ 754,063	$ (45,832)
Net income	34,489	34,489
Other comprehensive income	1,398		1,398
Partnership distributions	(53,952)	$ (53,952)
Common Units issued under Restricted Unit Plans (in units)		269
Compensation cost recognized under Restricted Unit Plans, net of forfeitures	2,139	$ 2,139
Balance (in units) at Dec. 24, 2016		61,058
Balance at Dec. 24, 2016	$ 692,305	$ 736,739	$ (44,434)