Equipment, Furniture and Fixtures (Details) (USD $)	6 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Oct. 31, 2012
Property, Plant and Equipment, Net [Abstract]
Equipment, furniture and fixtures, gross	$ 443,373,000		$ 483,611,000
Accumulated depreciation and amortization	(325,820,000)		(360,031,000)
Equipment, furniture and fixtures, net	117,553,000		123,580,000
Equipment, furniture and fixtures (Textuals) [Abstract]
Depreciation of equipment, furniture and fixtures, and amortization of leasehold improvements	28,857,000	29,079,000
Disposal of equipment, furniture and fixtures	38,600,000
Accumulated depreciation related to disposal of equipment, furniture and fixtures	37,900,000
Equipment Furniture Fixtures And Leasehold Improvements [Member]
Equipment, furniture and fixtures (Textuals) [Abstract]
Depreciation of equipment, furniture and fixtures, and amortization of leasehold improvements	25,400,000	24,900,000
Equipment, Furniture and Fixtures [Member]
Property, Plant and Equipment, Net [Abstract]
Equipment, furniture and fixtures, gross	380,240,000		422,118,000
Leasehold Improvements [Member]
Property, Plant and Equipment, Net [Abstract]
Equipment, furniture and fixtures, gross	$ 63,133,000		$ 61,493,000