Revenues Related to Operations by Geographic Areas (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 31, 2014	Jan. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	$ 478,951	$ 475,137
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	233,627	233,133
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	66,654	63,439
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	64,320	69,648
Asia-Pacific And Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	$ 114,350	$ 108,917