Operating Segments - Sales Information by Geographic Regions (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Net external sales
Net external sales	$ 496,137	$ 437,592	$ 903,607	$ 809,812
United States [Member]
Net external sales
Net external sales	156,095	131,262	281,616	248,653
Americas [Member]
Net external sales
Net external sales	36,326	33,582	66,368	60,289
Europe [Member]
Net external sales
Net external sales	128,468	125,933	247,627	245,651
Japan [Member]
Net external sales
Net external sales	30,855	29,366	55,032	48,869
Asia Pacific [Member]
Net external sales
Net external sales	$ 144,393	$ 117,449	$ 252,964	$ 206,350