Business Segment Information (Schedule of Long-Lived Assets By Country Of Domicile) (Details) - USD ($) $ in Thousands	Apr. 30, 2016	Oct. 31, 2015
Segment Reporting Information [Line Items]
Total long-lived assets	$ 964,359	$ 967,097
United States [Member]
Segment Reporting Information [Line Items]
Total long-lived assets	500,900	494,200
Europe [Member]
Segment Reporting Information [Line Items]
Total long-lived assets	391,600	407,900
Rest Of World [Member]
Segment Reporting Information [Line Items]
Total long-lived assets	$ 71,900	$ 65,000