SHORT-TERM DEBT Credit Facility (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Apr. 30, 2013
Line of Credit [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Initiation Date	Oct. 20, 2011
Line of Credit Facility, Revolving Credit, Description	On October 20, 2011, we entered into a five-year credit agreement, which provides for a $400 million unsecured credit facility that will expire on October 20, 2016.
Short-term Debt, Terms (in years)	five
Line Of Credit Facility Initial Maximum Borrowing Capacity	$ 400
Line of Credit Facility, Expiration Date	Oct. 20, 2016
Line of Credit Facility, Amount Outstanding	0
Dako [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	9
Line of Credit Facility, Amount Outstanding	$ 0