Stock Based Compensation Plans (Stock option transactions) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands |
6 Months Ended |
Apr. 30, 2017 |
Apr. 30, 2016 |
| Stock option transactions |
|
|
| Options outstanding, beginning of period |
20,311
|
|
| Granted shares |
2,886
|
|
| Exercised shares |
(1,566)
|
|
| Forfeited/expired shares |
(9)
|
|
| Options outstanding, end of period |
21,622
|
|
| Options exercisable, end of period |
12,286
|
|
| Vested or expected to vest |
21,561
|
|
| Options outstanding weighted-average exercise price, beginning of period ($ per share) |
$ 33.52
|
|
| Granted, weighted-average exercise price ($ per share) |
34.97
|
|
| Exercised weighted-average exercise price ($ per share) |
26.74
|
|
| Forfeited/expired weighted-average exercise price ($ per share) |
38.65
|
|
| Options outstanding weighted-average exercise price, end of period ($ per share) |
34.20
|
|
| Options exercisable, weighted-average exercise price ($ per share) |
32.84
|
|
| Vested or expected to vest, weighted-average exercise price ($ per share) |
$ 34.20
|
|
| Options outstanding weighted-average remaining contractual term (in years) |
5 years 6 months
|
|
| Options exercisable weighted-average remaining contractual term (in years) |
3 years 6 months
|
|
| Vested or expected to vest, weighted-average remaining contractual term (in years) |
5 years 6 months
|
|
| Options outstanding, aggregate intrinsic value |
$ 200,553
|
|
| Options exercisable, aggregate intrinsic value |
135,772
|
|
| Vested or expected to vest, aggregate intrinisic value |
200,115
|
|
| Cash received from exercises of stock options under equity incentive plans |
41,100
|
$ 21,500
|
| Compensation cost related to unvested stock options granted under the Company's Omnibus Incentive Plans, not yet recognized |
$ 55,500
|
|
| Weighted-average period over which compensation cost related to unvested options is expected to be recognized (in years) |
3 years 1 month
|
|