Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net income	$ 81.9	$ 87.0
Adjustments to reconcile to cash flows from operations
Income from discontinued operations	(54.9)	(52.8)
Depreciation and amortization	18.5	16.9
Deferred income taxes	(26.5)	7.5
Stock-based compensation expense	2.9	3.2
Other, net	0.6	0.6
Change in assets and liabilities
Receivables	13.4	(4.7)
Inventories	(1.0)	3.1
Payables and accrued liabilities	(17.2)	(22.3)
Other assets and liabilities	30.8	(0.8)
Operating cash flows from continuing operations	48.5	37.7
Operating cash flows from discontinued operations	(57.2)	(5.9)
Total cash (used in) provided by operating activities	(8.7)	31.8
Cash flows from investing activities
Additions to property, plant and equipment	(39.9)	(32.0)
Notes receivable, net of repayments	(0.5)	3.0
Acquisitions of businesses, net of cash acquired	(9.6)	(13.6)
Other investing activities, net	1.6	(0.1)
Investing cash flows from continuing operations	(48.4)	(42.7)
Investing cash flows from discontinued operations	(8.4)	(3.1)
Total cash used in investing activities	(56.8)	(45.8)
Cash flows from financing activities
Proceeds from borrowings, net of issuance costs	250.0	0.0
Repayments on borrowings	(119.4)	0.0
Repurchases of common stock	(87.4)	(31.5)
Cash dividends paid	(21.8)	(22.5)
Other financing activities	(8.9)	(8.9)
Financing cash flows from continuing operations	12.5	(62.9)
Financing cash flows from discontinued operations	60.0	(0.9)
Total cash provided by (used in) financing activities	72.5	(63.8)
Effect of currency exchange rate changes on cash, cash equivalents and restricted cash	2.1	0.1
Increase (decrease) in cash, cash equivalents, and restricted cash	9.1	(77.7)
Cash, cash equivalents, and restricted cash - beginning of period	83.9	231.4
Cash, cash equivalents, and restricted cash - end of period	$ 93.0	$ 153.7