Business Segment Information (Schedule of Net Sales To External Customers By Country Of Domicile) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Segment Reporting Information [Line Items]
Total net sales to external customers	$ 522,400	$ 483,800	$ 1,021,500	$ 933,400
United States
Segment Reporting Information [Line Items]
Total net sales to external customers	235,300	221,400	459,500	428,200
Europe
Segment Reporting Information [Line Items]
Total net sales to external customers	175,600	165,900	343,900	323,000
Rest of world
Segment Reporting Information [Line Items]
Total net sales to external customers	$ 111,500	$ 96,500	$ 218,100	$ 182,200