Condensed Unaudited Consolidated Statements of Operations and Comprehensive (Loss) Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
Income Statement [Abstract]
Net sales	$ 576.3	$ 643.6	$ 1,113.3	$ 1,197.6
Cost of sales	519.2	556.2	1,000.4	1,048.5
Gross profit	57.1	87.4	112.9	149.1
Operating expenses:
Selling, general and administrative	50.5	48.7	98.1	95.8
Research and development costs	0.8	1.5	2.0	2.8
Amortization of intangible assets	2.0	2.5	4.4	5.1
Restructuring	2.9		6.6	1.0
Total operating expenses	56.2	52.7	111.1	104.7
Operating income	0.9	34.7	1.8	44.4
Interest expense, net	3.5	5.5	6.9	11.0
Loss on early extinguishment of debt		1.4		1.4
Loss on sale of business or business held for sale	0.1		0.1	3.8
Loss on acquisition of business				0.4
(Loss) income before (benefit) provision for income taxes	(2.7)	27.8	(5.2)	27.8
(Benefit) provision for income taxes	(0.4)	7.2	(2.2)	7.2
Net (loss) income	(2.3)	20.6	(3.0)	20.6
Other comprehensive income (loss), net of tax	0.1	(0.2)		(0.2)
Comprehensive (loss) income	$ (2.2)	$ 20.4	$ (3.0)	$ 20.4
Net (loss) income per common share:
Basic	$ (0.04)	$ 0.32	$ (0.05)	$ 0.32
Diluted	(0.04)	$ 0.31	(0.05)	$ 0.32
Dividends declared per common share	$ 0.05		$ 0.10