Stock-Based Benefit Plans (Details 8) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended				3 Months Ended		12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011	Dec. 19, 2008	Jan. 31, 2013 Stock Price Based Restricted Stock Units [Member]	Jul. 31, 2012 Stock Price Based Restricted Stock Units [Member]	Oct. 31, 2013 Stock Price Based Restricted Stock Units [Member]	Oct. 31, 2012 Stock Price Based Restricted Stock Units [Member]	Oct. 31, 2011 Stock Price Based Restricted Stock Units [Member]	Dec. 20, 2010 Stock Price Based Restricted Stock Units [Member]
Stock Price-Based RSUs issued
Issuance of restricted stock and stock units, shares					118,799	118,800			306,000
Closing price of the Company's common stock on date of issuance				$ 21.70						$ 19.32
Target Price										$ 25.12
Expected volatility									48.22%
Risk-free interest rate									1.99%
Expected Life in Years Share Based Compensation Arrangement by Share Based Payment Award Fair Value Assumptions Expected Term									3 years
Estimated fair value of restricted stock units issued									$ 4,994
RSU expense recognized	19,041	15,575	12,548				1,811
Aggregate outstanding RSUs							306,000
Unamortized value of RSUs	$ 19,900	$ 14,200	$ 12,700				$ 231