Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Net Sales	$ 315.2	$ 282.1	$ 621.7	$ 564.5
Cost of goods sold	228.2	195.1	442.4	385.6
Gross Profit	87.0	87.0	179.3	178.9
Selling, general and administrative expenses	48.9	48.2	85.7	86.5
Amortization of intangible assets	4.9	23.2	9.8	29.1
Other operating income, net	0.0	0.0	0.0	(0.1)
Operating Profit	33.2	15.6	83.8	63.4
Interest expense, net	8.5	11.3	16.9	24.1
Loss on extinguishment and refinancing of debt, net	17.6	1.5	17.6	1.5
Earnings before Income Taxes	7.1	2.8	49.3	37.8
Income tax expense	3.2	0.3	6.1	2.4
Net Earnings Including Redeemable Noncontrolling Interest	3.9	2.5	43.2	35.4
Less: Net earnings attributable to redeemable noncontrolling interest	2.6	1.9	33.7	27.0
Net Earnings Available to Common Stockholders	$ 1.3	$ 0.6	$ 9.5	$ 8.4
Earnings per share of Common Stock, basic (in USD per share)	$ 0.02	$ 0.02	$ 0.19	$ 0.21
Earnings per share of Common Stock, diluted (in USD per share)	$ 0.02	$ 0.02	$ 0.19	$ 0.21
Weighted Average shares of Common Stock Outstanding, basic (in shares)	62.7	39.5	51.0	39.5
Weighted-Averages shares of Common Stock Outstanding, diluted (in shares)	62.9	39.7	51.2	39.6