Business Segment Information (Schedule of Long-Lived Assets By Country Of Domicile) (Details) - USD ($) $ in Thousands	Jan. 31, 2016	Oct. 31, 2015
Segment Reporting Information [Line Items]
Total long-lived assets	$ 948,174	$ 967,097
United States [Member]
Segment Reporting Information [Line Items]
Total long-lived assets	497,900	494,200
Europe [Member]
Segment Reporting Information [Line Items]
Total long-lived assets	383,800	407,900
Rest Of World [Member]
Segment Reporting Information [Line Items]
Total long-lived assets	$ 66,500	$ 65,000