CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		9 Months Ended
		Jun. 30, 2025	Jun. 30, 2024
Cash flows provided by (used in) operating activities:
Net income		$ 102,166	$ 70,309
Adjustment to reconcile net income to net cash provided by (used in) operating activities:
(Increase) decrease in fair value of derivative instruments	[1]	(11,962)	8,262
Depreciation and amortization		26,816	24,123
Provision for losses on accounts receivable		6,593	6,945
Change in deferred taxes		10,372	(2,495)
Changes in operating assets and liabilities:
Increase in receivables		(40,872)	(21,231)
Decrease in inventories		425	16,909
(Increase) decrease in other assets		(1,987)	12,792
Decrease in accounts payable		(410)	(5,236)
Decrease in customer credit balances		(49,341)	(50,516)
Increase in other current and long-term liabilities		14,743	12,505
Net cash provided by operating activities		56,543	72,367
Cash flows provided by (used in) investing activities:
Capital expenditures		(10,354)	(7,610)
Proceeds from sales of fixed assets		514	377
Proceeds from sale of certain assets		282	0
Purchase of investments		(1,806)	(1,391)
Acquisitions		(88,143)	(22,577)
Net cash used in investing activities		(99,507)	(31,201)
Cash flows provided by (used in) financing activities:
Revolving credit facility borrowings		75,359	79,596
Revolving credit facility repayments		(75,364)	(79,565)
Term loan repayments		(15,750)	(12,250)
Distributions		(19,481)	(18,689)
Unit repurchases		(10,023)	(9,029)
Customer retainage payments		(789)	(719)
Payments of debt issue costs		(241)	0
Net cash used in financing activities		(46,289)	(40,656)
Net (decrease) increase in cash, cash equivalents, and restricted cash		(89,253)	510
Cash, cash equivalents, and restricted cash at beginning of period		117,585	45,441
Cash, cash equivalents, and restricted cash at end of period		$ 28,332	$ 45,951

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