Selected Quarterly Financial Data

12 Months Ended

Sep. 30, 2011

Selected Quarterly Financial Data [Abstract]

Selected Quarterly Financial Data

18) Selected Quarterly Financial Data (unaudited)

The seasonal nature of the Partnership's business results in the sale by the Partnership of approximately 30% of its volume in the first fiscal quarter and 50% of its volume in the second fiscal quarter of each year. The Partnership generally realizes net income in both of these quarters and net losses during the quarters ending June and September.

	Three Months Ended
	Dec. 31,		Mar. 31,		Jun. 30,			Sep. 30,
(in thousands - except per unit data)	2010		2011		2011			2011			Total
Sales	$	459,501	$	731,865	$	246,772		$	153,172		$	1,591,310
Gross profit for product, installation and service		105,207		166,636		51,633			30,493			353,969
Operating income (loss)		43,651		87,959		(28,266	)		(41,297	)		62,047
Income (loss) before income taxes		37,569		84,149		(30,784	)		(43,867	)		47,067
Net income (loss)		20,558		48,681		(18,197	)		(26,698	)		24,344
Limited Partner interest in net income (loss)		20,459		48,445		(18,109	)		(26,566	)		24,229
Net income (loss) per Limited Partner unit:
Basic and diluted (a)	$	0.26	$	0.61	$	(0.27	)	$	(0.40	)	$	0.35
	Three Months Ended
	Dec. 31,		Mar. 31,		Jun. 30,			Sep. 30,
(in thousands - except per unit data)	2009		2010		2010			2010			Total
Sales	$	348,819	$	551,732	$	176,761		$	135,464		$	1,212,776
Gross profit for product, installation and service		88,632		147,502		43,350			29,245			308,729
Operating income (loss)		26,614		75,125		(13,881	)		(29,274	)		58,584
Income (loss) before income taxes		22,082		70,371		(16,223	)		(32,278	)		43,952
Net income (loss)		12,005		40,535		(9,991	)		(14,229	)		28,320
Limited Partner interest in net income (loss)		11,951		40,348		(9,944	)		(14,163	)		28,192
Net income (loss) per Limited Partner unit:
Basic and diluted (a)	$	0.15	$	0.48	$	(0.14	)	$	(0.21	)	$	0.38

(a) The sum of the quarters do not add-up to the total due to the weighting of Limited Partner Units outstanding, rounding or the theoretical effects of FASB ASC 260-10-45-60 to Master Limited Partners earnings per unit.