COMBINED STATEMENTS OF EARNINGS AND COMPREHENSIVE INCOME (Condensed) (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net sales	$ 571.9	$ 573.3
Cost of products sold	296.4	295.0
Gross profit	275.5	278.3
Selling, general and administrative expense	104.6	99.2
Advertising and sales promotion expense	40.9	37.3
Research and development expense	5.5	5.3
Amortization of intangible assets	3.2	2.8
Interest expense	48.2	13.4
Total Other items, net	(16.9)	1.3
Earnings before income taxes	90.0	119.0
Income tax provision	19.2	58.6
Net earnings	$ 70.8	$ 60.4
Basic earnings per common share (dollars per share)	$ 1.19	$ 1.00
Diluted earnings per common share (dollars per share)	$ 1.16	$ 0.98
Weighted average shares of common stock - Basic (shares)	59.7	60.2
Weighted average shares of common stock - Diluted (shares)	61.0	61.5
Dividends per common share (in dollars per share)	$ 0.30	$ 0.29
Statements of Comprehensive Income:
Net earnings	$ 70.8	$ 60.4
Other comprehensive (loss)/income, net of tax (benefit)/expense
Foreign currency translation adjustments	(3.7)	7.4
Pension activity, net of tax of $0.3 and $0.5, respectively.	1.1	1.2
Deferred (loss)/gain on hedging activity, net of tax of ($1.0) and $1.1, respectively.	(3.3)	2.5
Total comprehensive income	$ 64.9	$ 71.5