Operating Segments - Sales Information by Geographic Regions (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Net external sales
Net external sales	$ 400,727	$ 417,461	$ 779,735	$ 776,881
United States [Member]
Net external sales
Net external sales	140,030	125,693	262,854	241,199
Americas Excluding United States [Member]
Net external sales
Net external sales	31,028	31,144	59,296	58,409
Europe [Member]
Net external sales
Net external sales	105,097	122,058	213,663	238,533
Japan [Member]
Net external sales
Net external sales	28,499	28,889	50,032	55,134
Asia Pacific [Member]
Net external sales
Net external sales	$ 96,073	$ 109,677	$ 193,890	$ 183,606