Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Oct. 31, 2019	Oct. 31, 2018
Statement of Financial Position [Abstract]
Customers, allowance for doubtful accounts (in dollars)	$ 3,270	$ 2,228
Preferred stock
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, issued (in shares)	0	0
Preferred stock, outstanding (in shares)	0	0
Common stock
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, authorized (in shares)	175,000,000	175,000,000
Common stock, issued (in shares)	106,742,082	105,600,652
Common stock, outstanding (in shares)	106,742,082	105,600,652
Voting Preferred Stock
Preferred stock
Preferred stock, authorized (in shares)	1,000,000	1,000,000
Nonvoting Preferred Stock
Preferred stock
Preferred stock, authorized (in shares)	850,000	850,000