Stock Repurchase Program (Details) (USD $)	3 Months Ended		9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012	Mar. 31, 2003
Share Repurchase Program
Number of shares purchased	490,000	3,000	495,000	16,000
Average price per share	$ 30.87	$ 28.10	$ 30.90	$ 23.75
Remaining authorization at July 31:	8,270,000	8,770,000	8,270,000	8,770,000
Stock Repurchase Program (Textual) [Abstract]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased					20,000,000
Par value of common stock repurchased					$ 0.01