CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		9 Months Ended
		Jun. 30, 2022	Jun. 30, 2021
Cash flows provided by (used in) operating activities:
Net income		$ 85,281	$ 110,970
Adjustment to reconcile net income to net cash provided by (used in) operating activities:
(Increase) decrease in the fair value of derivative instruments	[1]	(11,881)	(30,333)
Depreciation and amortization		25,294	25,525
Provision for losses on accounts receivable		5,264	622
Change in deferred taxes		7,837	12,682
Changes in operating assets and liabilities:
Increase in receivables		(92,604)	(35,954)
Increase in inventories		(19,972)	(6,951)
(Increase) decrease in other assets		(5,814)	(545)
Increase in accounts payable		6,935	2,173
Decrease in customer credit balances		(38,497)	(30,519)
Increase in other current and long-term liabilities		6,724	10,698
Net cash (used in) provided by operating activities		(31,433)	59,458
Cash flows provided by (used in) investing activities:
Capital expenditures		(11,673)	(11,660)
Proceeds from sales of fixed assets		579	240
Proceeds from sale of propane assets			6,093
Purchase of investments		(555)	(827)
Acquisitions		(13,121)	(40,708)
Net cash used in investing activities		(24,770)	(46,862)
Cash flows provided by (used in) financing activities:
Revolving credit facility borrowings		200,177	75,154
Revolving credit facility repayments		(79,464)	(75,154)
Term loan repayments		(14,615)	(9,750)
Distributions		(17,350)	(17,535)
Unit repurchases		(27,309)	(36,682)
Customer retainage payments		(1,039)	(29)
Payments of debt issue costs			(11)
Net cash provided by (used in) financing activities		60,400	(64,007)
Net increase (decrease) in cash, cash equivalents, and restricted cash		4,197	(51,411)
Cash, cash equivalents, and restricted cash at beginning of period		5,017	57,161
Cash, cash equivalents, and restricted cash at end of period		$ 9,214	$ 5,750

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