Selected Quarterly Financial Data (Tables)

12 Months Ended

Sep. 30, 2024

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Financial Data

	Three Months Ended
	Dec. 31,		Mar. 31,		Jun. 30,			Sep. 30,
(in thousands - except per unit data)	2023		2024		2024			2024			Total
Sales	$	528,096	$	666,032	$	331,640		$	240,331		$	1,766,099
Gross profit for product, installations and services		149,651		206,046		88,247			57,880			501,824
Operating income (loss)		21,621		100,331		(12,291	)		(48,559	)		61,102
Income (loss) before income taxes		18,153		96,244		(15,201	)		(50,642	)		48,554
Net income (loss)		12,979		68,374		(11,044	)		(35,086	)		35,223
Limited Partner interest in net income (loss)		12,861		67,754		(10,943	)		(34,760	)		34,912
Net income (loss) per Limited Partner unit:
Basic and diluted (a)	$	0.32	$	1.56	$	(0.31	)	$	(1.00	)	$	0.90

	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, installations and services		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

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.