Selected Quarterly Financial Data

12 Months Ended

Sep. 30, 2023

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Financial Data

20) Selected Quarterly Financial Data (unaudited)

	Three Months Ended
	Dec. 31,		Mar. 31,		Jun. 30,			Sep. 30,
(in thousands - except per unit data)	2022		2023		2023			2023			Total
Sales	$	648,187	$	737,617	$	300,121		$	266,937		$	1,952,862
Gross profit for product, installation and service		152,551		203,039		64,428			50,733			470,751
Operating income (loss)		23,605		91,515		(29,586	)		(22,989	)		62,545
Income (loss) before income taxes		19,002		86,294		(33,196	)		(26,171	)		45,929
Net income (loss)		13,539		62,041		(23,906	)		(19,729	)		31,945
Limited Partner interest in net income (loss)		13,417		61,479		(23,690	)		(19,549	)		31,657
Net income (loss) per Limited Partner unit:
Basic and diluted (a)	$	0.33	$	1.42	$	(0.67	)	$	(0.55	)	$	0.81

	Three Months Ended
	Dec. 31,		Mar. 31,		Jun. 30,			Sep. 30,
(in thousands - except per unit data)	2021		2022		2022			2022			Total
Sales	$	488,270	$	782,543	$	439,101		$	296,644		$	2,006,558
Gross profit for product, installation and service		139,628		220,073		77,305			47,224			484,230
Operating income (loss)		22,624		117,245		(11,496	)		(67,920	)		60,453
Income (loss) before income taxes		20,327		114,279		(14,353	)		(71,227	)		49,026
Net income (loss)		14,489		81,379		(10,587	)		(49,993	)		35,288
Limited Partner interest in net income (loss)		14,367		80,682		(10,494	)		(49,548	)		35,007
Net income (loss) per Limited Partner unit:
Basic and diluted (a)	$	0.32	$	1.75	$	(0.29	)	$	(1.36	)	$	0.85

(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.