Equipment, Furniture and Fixtures (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Oct. 31, 2013
Property, Plant and Equipment, Net [Abstract]
Equipment, furniture and fixtures, gross	$ 414,409		$ 410,821
Accumulated depreciation and amortization	(297,460)		(291,092)
Equipment, furniture and fixtures, net	116,949		119,729
Equipment, furniture and fixtures (Textuals) [Abstract]
Depreciation of equipment, furniture and fixtures, and amortization of leasehold improvements	41,463	42,613
Equipment Furniture Fixtures And Leasehold Improvements [Member]
Equipment, furniture and fixtures (Textuals) [Abstract]
Depreciation of equipment, furniture and fixtures, and amortization of leasehold improvements	34,800	37,100
Equipment, Furniture and Fixtures
Property, Plant and Equipment, Net [Abstract]
Equipment, furniture and fixtures, gross	368,986		364,574
Leasehold Improvements
Property, Plant and Equipment, Net [Abstract]
Equipment, furniture and fixtures, gross	$ 45,423		$ 46,247