Stock Based Compensation Plans (Restricted Stock and Phantom Stock Units) (Details) $ / shares in Units, $ in Millions	3 Months Ended
	Jan. 31, 2018 USD ($) $ / shares shares
Restricted shares activity
Unvested, beginning of period	4,565,000
Granted shares	1,233,000
Vested shares	(1,122,000)
Forfeited shares	(44,000)
Unvested, end of period	4,632,000
Unvested weighted-average grant date fair value, beginning of period ($ per share) | $ / shares	$ 36.22
Granted weighted-average grant date fair value ($ per share) | $ / shares	50.72
Vested weighted-average grant date fair value ($ per share) | $ / shares	35.83
Forfeited weighted-average grant date fair value ($ per share) | $ / shares	38.82
Unvested weighted-average grant date fair value, end of period ($ per share) | $ / shares	$ 40.15
Compensation cost related to restricted shares granted under the Company's Omnibus Incentive Plans, not yet recognized | $	$ 147.2
Weighted-average period over which compensation cost related to restricted shares is expected to be recognized (in years)	3 years 4 months
Phantom stock units activity
Phantom stock units issued during the period (as shown)	13,945
Compensation cost related to phantom stock units issued under the Company's 2013 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