CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2012		Dec. 31, 2011
Sales:
Product	$ 454,470		$ 406,669
Installations and service	62,055		54,805
Total sales	516,525		461,474
Cost and expenses:
Cost of product	356,613		316,673
Cost of installations and service	57,221		52,351
(Increase) decrease in the fair value of derivative instruments	7,965		7,118
Delivery and branch expenses	68,387		67,757
Depreciation and amortization expenses	4,358		3,629
General and administrative expenses	4,491		5,365
Operating income	17,490		8,581
Interest expense	(3,427)		(3,452)
Interest income	1,098		728
Amortization of debt issuance costs	(492)		(274)
Income before income taxes	14,669		5,583
Income tax expense	4,917		2,652
Net income	9,752		2,931
General Partner's interest in net income	53		15
Limited Partners' interest in net income	$ 9,699		$ 2,916
Basic and Diluted income per Limited Partner Unit	0.15	[1]	0.05	[1]
Weighted average number of Limited Partner units outstanding:
Basic and Diluted	60,556		64,189

[1] See Note 13 Earnings (Loss) Per Limited Partner Unit.