Selected Quarterly Financial Data (Tables)

12 Months Ended

Sep. 30, 2022

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)	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

	Three Months Ended
	Dec. 31,		Mar. 31,		Jun. 30,			Sep. 30,
(in thousands - except per unit data)	2020		2021		2021			2021			Total
Sales	$	373,320	$	604,115	$	283,100		$	236,551		$	1,497,086
Gross profit for product, installation and service		131,870		226,202		70,091			49,491			477,654
Operating income (loss)		54,786		119,695		(13,764	)		(30,517	)		130,200
Income (loss) before income taxes		52,688		117,316		(15,963	)		(32,629	)		121,412
Net income (loss)		37,860		85,164		(12,054	)		(23,233	)		87,737
Limited Partner interest in net income (loss)		37,564		84,483		(11,956	)		(23,043	)		87,048
Net income (loss) per Limited Partner unit:
Basic and diluted (a)	$	0.74	$	1.71	$	(0.30	)	$	(0.58	)	$	1.82

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.