EARNINGS PER SHARE CALCULATION (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended |
6 Months Ended |
Apr. 30, 2017 |
Apr. 30, 2016 |
Apr. 30, 2017 |
Apr. 30, 2016 |
| Numerator |
|
|
|
|
| Net income |
$ 38,026
|
$ 13,997
|
$ 41,887
|
$ 2,451
|
| Net income used to calculate Diluted EPS |
$ 42,109
|
$ 13,997
|
$ 42,984
|
$ 2,451
|
| Denominator |
|
|
|
|
| Basic weighted average shares outstanding (in shares) |
141,743
|
137,950
|
141,223
|
137,313
|
| Add: Shares underlying outstanding stock options and restricted stock units and issuable under employee stock purchase plan (in shares) |
1,317
|
939
|
1,409
|
1,380
|
| Dilutive weighted average shares outstanding (in shares) |
165,273
|
138,889
|
147,842
|
138,693
|
| EPS |
|
|
|
|
| Basic EPS (in dollars per share) |
$ 0.27
|
$ 0.10
|
$ 0.30
|
$ 0.02
|
| Diluted EPS (in dollars per share) |
$ 0.25
|
$ 0.10
|
$ 0.29
|
$ 0.02
|
| 0.875% Convertible Senior Notes due June 15, 2017 |
|
|
|
|
| Numerator |
|
|
|
|
| Interest expense associated with Convertible Senior Notes |
$ 495
|
$ 0
|
$ 1,097
|
$ 0
|
| Denominator |
|
|
|
|
| Add: Shares underlying Convertible Senior Notes (in shares) |
4,857
|
0
|
5,210
|
0
|
| 3.75% Convertible Senior Notes due October 15, 2018 |
|
|
|
|
| Numerator |
|
|
|
|
| Interest expense associated with Convertible Senior Notes |
$ 3,588
|
$ 0
|
$ 0
|
$ 0
|
| Denominator |
|
|
|
|
| Add: Shares underlying Convertible Senior Notes (in shares) |
17,356
|
0
|
0
|
0
|