Condensed Consolidated Statement Of Partners' Capital (USD $) In Thousands		Total	Common Stock	General Partner	Accumulated Other Comprehensive Income (Loss)
Beginning Balance at Sep. 30, 2013		$ 259,281	$ 282,289	$ 3	$ (23,011)
Beginning Balance, unit at Sep. 30, 2013			57,718	326
Net income		19,288	19,179	109
Unrealized gain on pension plan obligation	[1]	528			528
Tax effect of unrealized gain on pension plan		(216)			(216)
Distributions		(4,811)	(4,741)	(70)
Retirement of units, shares	[2]		(250)
Retirement of units	[2]	(1,300)	(1,300)
Ending Balance at Dec. 31, 2013		$ 272,770	$ 295,427	$ 42	$ (22,699)
Ending Balance, Unit at Dec. 31, 2013			57,468	326

[1] These items are included in the computation of net periodic pension cost. See Note 9 - Employee Benefit Plan.

[2] See Note 3 - Common Unit Repurchase and Retirement.