Business Segment Information (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2011	Oct. 31, 2010	Jul. 31, 2010	Apr. 30, 2010	Jan. 31, 2010	Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2009
Net sales:
Total net sales	$ 1,131,494	$ 1,121,902	$ 1,050,766	$ 943,792	$ 993,942	$ 921,333	$ 836,580	$ 709,682	$ 4,247,954	$ 3,461,537	$ 2,792,217
North America [Member]
Net sales:
Total net sales									1,932,837	1,732,880	1,530,438
Europe, Middle East, and Africa [Member]
Net sales:
Total net sales									1,645,577	1,171,363	835,117
Asia Pacific and Latin America [Member]
Net sales:
Total net sales									$ 669,540	$ 557,294	$ 426,662