Stock Based Compensation Plans (Restricted Stock and Phantom Stock Units) (Details) (USD $) In Millions, except Share data, unless otherwise specified	6 Months Ended
	Apr. 30, 2014
Restricted shares activity
Compensation cost related to restricted shares granted under the Company's plan, not yet recognized	$ 96.8
Weighted-average period over which compensation cost related to restricted shares is expected to be recognized (in years)	3 years 2 months
Unvested, beginning of period	3,911,000
Granted shares	1,251,000
Vested shares	(1,170,000)
Forfeited	(47,000)
Unvested, end of period	3,945,000
Unvested weighted-average grant date fair value, beginning of period ($ per share)	$ 27.60
Granted weighted-average grant date fair value ($ per share)	$ 41.27
Vested weighted-average grant date fair value ($ per share)	$ 27.28
Forfeited/expired weighted-average grant date fair value ($ per share)	$ 30.13
Unvested weighted-average grant date fair value, end of period ($ per share)	$ 32.00
Phantom stock units activity
Phantom stock units issued during the period (as shown)	6,145
Compensation cost related to phantom stock units issued under the Company's plan, not yet recognized	$ 0.2
Weighted-average period over which compensation cost related to phantom stock units issued is expected to be recognized (in years)	1 year 2 months