CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Sep. 30, 2025		Sep. 30, 2024		Sep. 30, 2023
Sales:
Total sales		$ 1,784,418		$ 1,766,099		$ 1,952,862
Cost and expenses:
(Increase) decrease in the fair value of derivative instruments	[1]	(13,390)		19,018		1,977
Delivery and branch expenses		400,830		366,381		353,614
Depreciation and amortization expenses		35,352		31,494		32,350
General and administrative expenses		30,518		28,405		25,780
Finance charge income		(4,915)		(4,576)		(5,515)
Operating income		114,471		61,102		62,545
Interest expense, net		(14,323)		(11,560)		(15,532)
Amortization of debt issuance costs		(1,068)		(988)		(1,084)
Other income, net	[2]	3,822		0		0
Income before income taxes		102,902		48,554		45,929
Income tax expense		29,407		13,331		13,984
Net income		73,495		35,223		31,945
General Partner’s interest in net income		677		311		288
Limited Partner interest in net income (loss)		$ 72,818		$ 34,912		$ 31,657
Basic and diluted income per Limited Partner Unit:	[3]	$ 1.82	[4]	$ 0.90	[4]	$ 0.81
Weighted average number of Limited Partner units outstanding:
Weighted average number of Limited Partner units outstanding: Basic		34,276		35,273		35,694
Weighted average number of Limited Partner units outstanding: Diluted		34,276		35,273		35,694
Product
Sales:
Total sales		$ 1,437,601		$ 1,448,792		$ 1,650,741
Installations and services
Sales:
Total sales		346,817		317,307		302,121
Cost of product
Cost and expenses:
Cost and expenses		912,391		980,831		1,204,184
Cost of installations and services
Cost and expenses:
Cost and expenses		$ 309,161		$ 283,444		$ 277,927

[1] Represents the change in value of unrealized open positions and expired options.

[2] See Note 2 – Summary of Significant Accounting Policies - Other Income, Net.

[3] See Note 19 - Earnings Per Limited Partner Units.

[4] 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.