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, 2017	Oct. 31, 2016	Oct. 31, 2015
Segment Reporting [Abstract]
Total profit for reportable segments	$ 457,702	$ 388,431	$ 317,730
Interest expense	(36,601)	(21,322)	(18,104)
Interest and investment income	1,124	728	558
Other - net	(1,934)	657	678
Income before income taxes	$ 420,291	$ 368,494	$ 300,862