Stock Based Compensation Plans (Restricted Stock and Phantom Stock Units) (Details) - USD ($) $ / shares in Units, $ in Millions |
12 Months Ended |
Oct. 31, 2017 |
Oct. 31, 2016 |
Oct. 31, 2015 |
Oct. 31, 2014 |
| Restricted shares activity |
|
|
|
|
| Unvested, beginning of period |
4,157,000
|
3,988,000
|
|
|
| Granted shares |
|
1,546,000
|
|
|
| Vested shares |
|
(1,197,000)
|
|
|
| Forfeited shares |
|
(180,000)
|
|
|
| Unvested, end of period |
|
4,157,000
|
3,988,000
|
|
| Unvested weighted-average grant date fair value, beginning of period ($ per share) |
$ 35.43
|
$ 34.43
|
|
|
| Granted weighted-average grant date fair value ($ per share) |
|
35.23
|
|
|
| Vested weighted-average grant date fair value ($ per share) |
|
31.87
|
|
|
| Forfeited weighted-average grant date fair value ($ per share) |
|
35.14
|
|
|
| Unvested weighted-average grant date fair value, end of period ($ per share) |
|
$ 35.43
|
$ 34.43
|
|
| Fair value of restricted stock that vested during the period |
|
$ 38.1
|
$ 33.3
|
$ 35.9
|
| Restricted shares granted in November 2016 |
1,500,000
|
|
|
|
| Grant date fair value of November 2016 restricted stock grants |
$ 34.84
|
|
|
|
| Compensation cost related to restricted shares granted under the Company's Omnibus Incentive Plans, not yet recognized |
|
$ 89.0
|
|
|
| Weighted-average period over which compensation cost related to restricted shares is expected to be recognized (in years) |
|
2 years 8 months
|
|
|
| Phantom stock units activity |
|
|
|
|
| Phantom stock units issued during the period (as shown) |
|
7,965
|
|
|
| Compensation cost related to phantom stock units issued under the Company's 2013 Plan, not yet recognized |
|
$ 0.1
|
|
|
| Weighted-average period over which compensation cost related to phantom stock units issued is expected to be recognized (in years) |
|
1 year
|
|
|
| Total phantom stock liability paid out |
|
$ 0.3
|
$ 0.3
|
$ 0.5
|