Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Sales:
Product	$ 435,012		$ 463,387
Installations and services	64,205		57,223
Total sales	499,217		520,610
Cost and expenses:
Cost of product	309,249		358,577
Cost of installations and services	60,683		53,443
(Increase) decrease in the fair value of derivative instruments	8,290		(5,458)
Delivery and branch expenses	78,834		68,400
Depreciation and amortization expenses	6,158		4,359
General and administrative expenses	6,056		5,406
Finance charge income	(826)		(1,004)
Operating income	30,773		36,887
Interest expense, net	(3,460)		(3,623)
Amortization of debt issuance costs	(400)		(421)
Income before income taxes	26,913		32,843
Income tax expense	11,359		13,555
Net income	15,554		19,288
General Partner's interest in net income	88		109
Limited Partners' interest in net income	$ 15,466		$ 19,179
Basic and diluted income per Limited Partner Unit	$ 0.24	[1]	$ 0.29	[1]
Weighted average number of Limited Partner units outstanding:
Basic and Diluted	57,294		57,511

[1] See Note 12 Earnings Per Limited Partner Unit.