CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Sales:
Total sales		$ 439,101	$ 283,100	$ 1,709,914	$ 1,260,535
Cost and expenses:
(Increase) decrease in the fair value of derivative instruments	[1]	(7,669)	(4,714)	(11,881)	(30,333)
Delivery and branch expenses		83,914	74,871	280,389	256,500
Depreciation and amortization expenses		8,067	8,568	24,596	24,793
General and administrative expenses		6,251	6,209	18,829	18,770
Finance charge income		(1,762)	(1,079)	(3,300)	(2,284)
Operating income (loss)		(11,496)	(13,764)	128,373	160,717
Interest expense, net		(2,635)	(1,957)	(7,422)	(5,944)
Amortization of debt issuance costs		(222)	(242)	(698)	(732)
Income (loss) before income taxes		(14,353)	(15,963)	120,253	154,041
Income tax expense (benefit)		(3,766)	(3,909)	34,972	43,071
Net income (loss)		(10,587)	(12,054)	85,281	110,970
General Partner's interest in net income (loss)		(93)	(98)	726	879
Limited Partners' interest in net income (loss)		$ (10,494)	$ (11,956)	$ 84,555	$ 110,091
Basic and diluted income (loss) per Limited Partner Unit (1):		$ (0.29)	$ (0.30)	$ 1.88	$ 2.24
Weighted average number of Limited Partner units outstanding:
Basic and Diluted		36,781	40,041	37,739	40,897
Product
Sales:
Total sales		$ 358,236	$ 205,045	$ 1,481,963	$ 1,044,748
Installations and services
Sales:
Total sales		80,865	78,055	227,951	215,787
Cost of product
Cost and expenses:
Cost and expenses		291,236	146,108	1,058,164	631,807
Cost of installations and services
Cost and expenses:
Cost and expenses		$ 70,560	$ 66,901	$ 214,744	$ 200,565

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