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	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Numbers of stock option shares excluded	534	123
Range of exercise prices, lower limit	$ 131.60	$ 162.28
Range of exercise prices, upper limit	$ 162.69	$ 162.28
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Numbers of stock option shares excluded	6	0