Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
OPERATING ACTIVITIES
Net income (loss)	$ 145.2	$ (34.9)	$ (380.1)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Impairment, restructuring and other	21.7	84.3	288.6
Share-based compensation expense	69.0	80.4	68.9
Depreciation	62.7	64.9	67.3
Amortization	12.3	15.7	25.2
Deferred taxes	70.8	9.3	(58.7)
Loss on sale of business	17.7	0.0	0.0
Equity in loss of unconsolidated affiliates	2.8	68.1	101.1
Changes in assets and liabilities, net of dispositions:
Accounts receivable	(16.6)	128.2	77.7
Inventories	(17.9)	293.8	450.5
Prepaid and other current assets	(2.3)	10.2	18.6
Accounts payable	(0.3)	(1.6)	(153.6)
Other current liabilities	16.0	(45.4)	52.0
Other non-current items	(9.2)	(6.2)	(30.7)
Other, net	(0.6)	0.7	4.2
Net cash provided by operating activities	371.3	667.5	531.0
INVESTING ACTIVITIES
Investments in property, plant and equipment	(97.4)	(84.0)	(92.8)
Investments in loans receivable	(8.5)	0.0	0.0
Proceeds from loans receivable	0.0	0.0	37.0
Investments in unconsolidated affiliates	0.0	(21.4)	0.0
Net cash disposed of on sale of business	(2.5)	0.0	0.0
Other investing, net	(3.7)	5.0	(9.9)
Net cash used in investing activities	(112.1)	(100.4)	(65.7)
FINANCING ACTIVITIES
Borrowings under revolving and bank lines of credit and term loans	702.7	648.5	1,336.2
Repayments under revolving and bank lines of credit and term loans	(824.8)	(1,039.5)	(1,689.8)
Dividends paid	(154.3)	(151.3)	(149.1)
Purchase of Common Shares	(18.4)	(5.1)	(9.3)
Cash received from exercise of stock options	11.9	3.8	2.3
Other financing, net	(11.1)	15.7	(10.4)
Net cash used in financing activities	(294.0)	(527.9)	(520.1)
Effect of exchange rate changes on cash	(0.2)	0.5	(0.1)
Net increase (decrease) in cash and cash equivalents	(35.0)	39.7	(54.9)
Cash and cash equivalents at beginning of year	71.6	31.9	86.8
Cash and cash equivalents at end of year	$ 36.6	$ 71.6	$ 31.9