Revenues Related To Operations By Geographic Areas (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	$ 1,756,017	$ 1,535,643	$ 1,380,661
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	834,191	714,036	667,956
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	225,797	207,071	183,831
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	289,420	275,174	256,454
Asia-Pacific And Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	$ 406,609	$ 339,362	$ 272,420