CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash Flows from Operating Activities:
Net earnings	$ 77.6	$ 135.6
Adjustments to reconcile net earnings to net cash (used in) provided by operating activities:
Depreciation and amortization	9.8	9.2
Non-cash stock-based compensation expense	11.2	11.7
Deferred income taxes	14.6	(2.5)
Unrealized (gain) loss on commodity derivatives	(28.9)	12.5
Other, net	1.8	1.0
Other changes in operating assets and liabilities:
Increase in receivables, net	(49.1)	(45.7)
Increase in inventories	(79.1)	(99.7)
Increase in prepaid expenses and other current assets	(0.4)	(2.7)
(Increase) decrease in other assets	(7.2)	1.8
Increase in accounts payable and other current liabilities	35.4	30.0
Net Cash (Used in) Provided by Operating Activities	(14.3)	51.2
Cash Flows from Investing Activities:
Additions to property	(6.0)	(1.9)
Net Cash Used in Investing Activities	(6.0)	(1.9)
Cash Flows from Financing Activities:
Proceeds from issuance of long-term debt	265.0	230.0
Repayments of long-term debt	(165.0)	(110.0)
Purchases of treasury stock	(127.2)	(184.9)
Tax withholding payments related to stock compensation plans	(8.3)	(11.4)
Net Cash Used in Financing Activities	(35.5)	(76.3)
Effect of Exchange Rate Changes on Cash, Cash Equivalents and Restricted Cash	(0.1)	0.1
Net Decrease in Cash, Cash Equivalents and Restricted Cash	(55.9)	(26.9)
Cash, Cash Equivalents and Restricted Cash, Beginning of Year	89.1	71.1
Cash, Cash Equivalents and Restricted Cash, End of Period	$ 33.2	$ 44.2