Equipment, Furniture and Fixtures (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Oct. 31, 2013
Property, Plant and Equipment, Net [Abstract]
Equipment, furniture and fixtures, gross	$ 426,011		$ 410,821
Accumulated depreciation and amortization	(306,135)		(291,092)
Equipment, furniture and fixtures, net	119,876		119,729
Equipment, furniture and fixtures (Textuals) [Abstract]
Depreciation of equipment, furniture and fixtures, and amortization of leasehold improvements	27,143	28,857
Equipment Furniture Fixtures And Leasehold Improvements [Member]
Equipment, furniture and fixtures (Textuals) [Abstract]
Depreciation of equipment, furniture and fixtures, and amortization of leasehold improvements	22,900	25,400
Equipment, Furniture and Fixtures [Member]
Property, Plant and Equipment, Net [Abstract]
Equipment, furniture and fixtures, gross	379,569		364,574
Leasehold Improvements [Member]
Property, Plant and Equipment, Net [Abstract]
Equipment, furniture and fixtures, gross	$ 46,442		$ 46,247