Stockholders' Equity (Details) (USD $)	3 Months Ended	12 Months Ended
	Jan. 31, 2014	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011	Nov. 07, 2013	Sep. 05, 2012	Mar. 31, 2003
Stock Repurchase Program [Abstract]
Rights Issued Pursuant to Rights Plan Description		The rights issued pursuant to the 2007 Rights Plan will become exercisable upon the earlier of (i) ten days following a public announcement that a person or group of affiliated or associated persons has acquired, or obtained the right to acquire, beneficial ownership of 15% or more of the outstanding shares of the Company’s common stock or (ii) ten business days following the commencement of a tender offer or exchange offer that would result in a person or group beneficially owning 15% or more of the outstanding shares of common stock. No rights were exercisable at October 31, 2013.
Percentage of Ownership of Company's Common Stock for Restricts Certain Transfers		4.95%
Share Repurchase Program
Number of shares purchased		498,000	20,000	3,068,000
Average price per share		$ 30.90	$ 25.62	$ 16.00
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased		8,268,000	8,766,000	8,786,000
Stockholders' Equity (Textual) [Abstract]
Common Stock, Shares Authorized		400,000,000
Common Stock, Par or Stated Value Per Share		$ 0.01			$ 0.01
Preferred Stock, Shares Authorized		15,000,000
Preferred Stock, Par or Stated Value Per Share		$ 0.01
Common Stock, Shares, Outstanding		169,400,000
Common Stock Reserved for Outstanding Stock Options and Restricted Stock Units		11,000,000
Common Stock, Capital Shares Reserved for Future Issuance		4,400,000
Additional common share if convertible debt exchanged		5,900,000
Debt Instrument, Interest Rate, Stated Percentage						0.50%
Shares Held in Employee Stock Option Plan, Committed-to-be-Released		600,000
Preferred Stock, Shares Issued		0	0
Stock Issued During Period, Shares, New Issues	7,200,000
Stock Issued During Period, Shares, Restricted Stock Award, Gross			1,350	1,250
Unvested Restricted Stock Awards		675
Authorization to repurchase shares							20,000,000