Earnings Per Share (Schedule of Stock Options to Purchase Common Stock Not Included in Diluted Net Income per Share Calculation) (Details) - $ / shares shares in Thousands	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Numbers of stock option shares excluded	392	123	138
Lower, Range of exercise prices	$ 131.6	$ 162.28	$ 119.89
Upper, Range of exercise prices	$ 162.69	$ 162.28	$ 119.89
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Numbers of stock option shares excluded	2	1	1