CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		12 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Cash flows provided by (used in) operating activities:
Net income		$ 35,288	$ 87,737	$ 55,918
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
(Increase) decrease in the fair value of derivative instruments	[1]	17,286	(36,138)	2,755
Depreciation and amortization		33,553	34,457	35,622
Provision (recovery) for losses on accounts receivable		5,411	(248)	3,441
Change in deferred taxes		(3,181)	11,361	(3,544)
Other loss, net				5,724
Changes in operating assets and liabilities net of amounts related to acquisitions:
(Increase) decrease in receivables		(43,463)	(15,171)	34,366
(Increase) decrease in inventories		(21,105)	(11,472)	14,588
(Increase) decrease in other assets		(7,161)	1,529	11,627
Increase (decrease) in accounts payable		12,036	6,939	(3,199)
Increase in customer credit balances		5,804	3,054	14,775
(Decrease) increase in other current and long-term liabilities		(561)	(13,171)	3,595
Net cash provided by operating activities		33,907	68,877	175,668
Cash flows provided by (used in) investing activities:
Capital expenditures		(18,701)	(15,083)	(14,127)
Proceeds from sales of fixed assets		815	424	631
Proceeds from sale of plumbing and propane assets		184	6,093
Purchase of investments		(1,803)	(1,052)	(10,417)
Acquisitions		(13,121)	(40,708)	(4,228)
Net cash used in investing activities		(32,626)	(50,326)	(28,141)
Cash flows provided by (used in) financing activities:
Revolving credit facility borrowings		200,177	75,154	90,202
Revolving credit facility repayments		(188,519)	(66,536)	(151,702)
Proceeds from term loan		165,000		130,000
Loan repayments		(110,500)	(13,000)	(99,000)
Distributions		(23,192)	(23,448)	(24,451)
Unit repurchases		(30,817)	(42,824)	(38,431)
Customer retainage payments		(1,039)	(29)	(514)
Payments of debt issuance costs		(2,538)	(12)	(1,619)
Net cash provided by (used in) financing activities		8,572	(70,695)	(95,515)
Net increase (decrease) in cash, cash equivalents and restricted cash		9,853	(52,144)	52,012
Cash, cash equivalents and restricted cash at beginning of period		5,017	57,161	5,149
Cash, cash equivalents and restricted cash at end of period		$ 14,870	$ 5,017	$ 57,161

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