Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash Flow from Operating Activities
Net earnings	$ 72.9	$ 46.6
Depreciation and amortization	65.9	65.5
Share-based compensation expense	19.6	15.1
Loss on sale of assets	0.6	1.2
Gain on sale of Infant and Pet Care business	0.0	(4.1)
Deferred compensation payments	(9.2)	(8.7)
Deferred income taxes	(1.3)	(16.1)
Cost of early retirement of long-term debt	26.1	26.2
Other, net	(0.8)	7.3
Change in operating assets and liabilities	(17.9)	(14.4)
Net cash from operating activities	155.9	118.6
Cash Flow from Investing Activities
Capital expenditures	(34.1)	(26.9)
Proceeds from sale of Infant and Pet Care business	7.5	95.8
Acquisitions, net of cash acquired	(0.3)	0.0
Collection of deferred purchase price on accounts receivable sold	2.6	3.9
Payments for other investing activities	(1.8)	(1.5)
Net Cash Provided by (Used in) Investing Activities, Total	(26.1)	71.3
Cash Flow from Financing Activities
Cash proceeds from the issuance of Senior Notes due 2029	500.0	0.0
Cash payments on Senior Notes due 2022	(500.0)	0.0
Cash proceeds from the issuance of Senior Notes due 2028	0.0	750.0
Cash proceeds from debt with original maturities greater than 90 days	0.0	50.0
Cash payments on debt with original maturities greater than 90 days	0.0	(167.0)
Net increase in debt with original maturities of 90 days or less	2.4	1.7
Debt issuance costs for Senior Notes due 2029	(6.5)	0.0
Repayments of Senior Debt due 2021	0.0	600.0
Payments of Debt Issuance Costs for Senior Notes due 2028	0.0	10.4
Payments Of Debt Issuance Costs For Revolving Credit Facility	0.0	(3.6)
Cost of early debt retirement	(26.1)	(26.2)
Dividends to common shareholders	(16.7)	0.0
Repurchase of shares	(9.2)	0.0
Net financing inflow (outflow) from the Accounts Receivable Facility	0.8	(14.4)
Employee shares withheld for taxes	(4.0)	(1.7)
Proceeds (payments) for other financing activities	(0.6)	0.0
Net cash used by financing activities	(59.9)	(21.6)
Effect of exchange rate changes on cash	2.9	2.0
Cash and cash equivalents, beginning of period	364.7	341.6
Cash and cash equivalents, end of period	$ 437.5	$ 511.9