Operating Segments - Sales Information by Geographic Regions (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2020	Apr. 30, 2019	Apr. 30, 2020	Apr. 30, 2019
Net external sales
Net external sales	$ 529,478	$ 551,119	$ 1,024,394	$ 1,049,029
United States [Member]
Net external sales
Net external sales	188,933	190,699	377,433	361,050
Americas [Member]
Net external sales
Net external sales	36,673	43,682	67,756	76,119
Europe [Member]
Net external sales
Net external sales	136,056	149,526	262,447	282,200
Japan [Member]
Net external sales
Net external sales	31,575	30,031	59,127	59,078
Asia Pacific [Member]
Net external sales
Net external sales	$ 136,241	$ 137,181	$ 257,631	$ 270,582