Operating Segments and Geographic Area Data - Reconciliation of Segment Operating Profit to Consolidated Income Before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Segment Reporting [Abstract]
Total profit for reportable segments	$ 494,557	$ 457,702	$ 388,431
Interest expense	(49,576)	(36,601)	(21,322)
Interest and investment income	1,384	1,124	728
Other - net	2,154	(1,934)	657
Income before income taxes	$ 448,519	$ 420,291	$ 368,494