Consolidated Condensed Balance Sheets (Parenthetical) - USD ($) $ in Millions	Jan. 31, 2021	Oct. 31, 2020
Statement of Financial Position [Abstract]
Trade accounts receivable, allowance for doubtful accounts	$ 11.9	$ 10.2
Preferred stock, par value (in dollars per share)	$ 0.10	$ 0.10
Preferred stock, authorized (in shares)	1,000,000.0	1,000,000.0
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, authorized (in shares)	120,000,000.0	120,000,000.0
Common stock, issued (in shares)	53,500,000	53,400,000
Common stock, outstanding (in shares)	49,100,000	49,100,000
Treasury stock (in shares)	4,400,000	4,300,000