CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Dec. 31, 2021	Dec. 31, 2020
Sales:
Total sales		$ 488,270	$ 373,320
Cost and expenses:
(Increase) decrease in the fair value of derivative instruments	[1]	13,403	(17,395)
Delivery and branch expenses		88,989	80,687
Depreciation and amortization expenses		8,448	7,957
General and administrative expenses		6,676	6,241
Finance charge income		(512)	(406)
Operating income		22,624	54,786
Interest expense, net		(2,058)	(1,851)
Amortization of debt issuance costs		(239)	(247)
Income before income taxes		20,327	52,688
Income tax expense		5,838	14,828
Net income		14,489	37,860
General Partner’s interest in net income		122	296
Limited Partners’ interest in net income		$ 14,367	$ 37,564
Basic and diluted income per Limited Partner Unit (1):		$ 0.32	$ 0.74
Weighted average number of Limited Partner units outstanding:
Basic and Diluted		38,789	42,246
Product
Sales:
Total sales		$ 411,265	$ 300,332
Installations and services
Sales:
Total sales		77,005	72,988
Cost of product
Cost and expenses:
Cost and expenses		274,594	172,147
Cost of installations and services
Cost and expenses:
Cost and expenses		$ 74,048	$ 69,303

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