Segment Disclosure - Revenues Related to Operations by Geographic Areas (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 31, 2015	Jan. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	$ 542,043	$ 478,951
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	277,587	233,627
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	71,883	66,654
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	60,852	64,320
Asia-Pacific And Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	$ 131,721	$ 114,350