Stock-Based Compensation (Details 2) (Stock Options, USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 31, 2012
Information about options outstanding, by exercise price range
Options Outstanding - Shares Outstanding	87,296
Options Outstanding - Weighted Average Remaining Contractual Life	3 years
Options Outstanding - Weighted Average Exercise Price Per Share (in dollars per share)	$ 29
Options Exercisable - Shares Exercisable	68,437
Options Exercisable - Weighted-Average Exercise Price Per Share (in dollars per share)	$ 31
$0-$9.99
Information about options outstanding, by exercise price range
Exercise price range, lower range limit (in dollars per share)	$ 0
Exercise price range, upper range limit (in dollars per share)	$ 9.99
Options Outstanding - Shares Outstanding	1,097
Options Outstanding - Weighted Average Remaining Contractual Life	5 years 3 months 18 days
Options Outstanding - Weighted Average Exercise Price Per Share (in dollars per share)	$ 6
Options Exercisable - Shares Exercisable	994
Options Exercisable - Weighted-Average Exercise Price Per Share (in dollars per share)	$ 6
$10-$19.99
Information about options outstanding, by exercise price range
Exercise price range, lower range limit (in dollars per share)	$ 10
Exercise price range, upper range limit (in dollars per share)	$ 19.99
Options Outstanding - Shares Outstanding	8,441
Options Outstanding - Weighted Average Remaining Contractual Life	5 years 3 months 18 days
Options Outstanding - Weighted Average Exercise Price Per Share (in dollars per share)	$ 14
Options Exercisable - Shares Exercisable	4,622
Options Exercisable - Weighted-Average Exercise Price Per Share (in dollars per share)	$ 14
$20-$29.99
Information about options outstanding, by exercise price range
Exercise price range, lower range limit (in dollars per share)	$ 20
Exercise price range, upper range limit (in dollars per share)	$ 29.99
Options Outstanding - Shares Outstanding	36,396
Options Outstanding - Weighted Average Remaining Contractual Life	3 years 7 months 6 days
Options Outstanding - Weighted Average Exercise Price Per Share (in dollars per share)	$ 24
Options Exercisable - Shares Exercisable	22,369
Options Exercisable - Weighted-Average Exercise Price Per Share (in dollars per share)	$ 23
$30-$39.99
Information about options outstanding, by exercise price range
Exercise price range, lower range limit (in dollars per share)	$ 30
Exercise price range, upper range limit (in dollars per share)	$ 39.99
Options Outstanding - Shares Outstanding	21,962
Options Outstanding - Weighted Average Remaining Contractual Life	1 year 4 months 24 days
Options Outstanding - Weighted Average Exercise Price Per Share (in dollars per share)	$ 32
Options Exercisable - Shares Exercisable	21,645
Options Exercisable - Weighted-Average Exercise Price Per Share (in dollars per share)	$ 32
$40-$49.99
Information about options outstanding, by exercise price range
Exercise price range, lower range limit (in dollars per share)	$ 40
Exercise price range, upper range limit (in dollars per share)	$ 49.99
Options Outstanding - Shares Outstanding	18,313
Options Outstanding - Weighted Average Remaining Contractual Life	2 years 3 months 18 days
Options Outstanding - Weighted Average Exercise Price Per Share (in dollars per share)	$ 43
Options Exercisable - Shares Exercisable	17,945
Options Exercisable - Weighted-Average Exercise Price Per Share (in dollars per share)	$ 43
$50-$59.99
Information about options outstanding, by exercise price range
Exercise price range, lower range limit (in dollars per share)	$ 50
Exercise price range, upper range limit (in dollars per share)	$ 59.99
Options Outstanding - Shares Outstanding	810
Options Outstanding - Weighted Average Remaining Contractual Life	4 years 2 months 12 days
Options Outstanding - Weighted Average Exercise Price Per Share (in dollars per share)	$ 52
Options Exercisable - Shares Exercisable	585
Options Exercisable - Weighted-Average Exercise Price Per Share (in dollars per share)	$ 52
$60 and over
Information about options outstanding, by exercise price range
Exercise price range, lower range limit (in dollars per share)	$ 60
Options Outstanding - Shares Outstanding	277
Options Outstanding - Weighted Average Remaining Contractual Life	1 year 6 months
Options Outstanding - Weighted Average Exercise Price Per Share (in dollars per share)	$ 75
Options Exercisable - Shares Exercisable	277
Options Exercisable - Weighted-Average Exercise Price Per Share (in dollars per share)	$ 75