Business Segment Information (Schedule of Long-Lived Assets By Country Of Domicile) (Details) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2015	Oct. 31, 2014
Segment Reporting Information [Line Items]
Total long-lived assets	$ 961,762	$ 937,325
United States [Member]
Segment Reporting Information [Line Items]
Total long-lived assets	514,769	499,195
Europe [Member]
Segment Reporting Information [Line Items]
Total long-lived assets	393,899	406,433
Rest Of World [Member]
Segment Reporting Information [Line Items]
Total long-lived assets	$ 53,094	$ 31,697