Goodwill and Intangible Assets - Summary of Intangible Assets (Detail) - USD ($)
$ in Thousands |
Jul. 31, 2020 |
Oct. 31, 2019 |
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Gross Assets |
$ 1,488,228
|
$ 1,418,818
|
|
| Accumulated Amortization |
1,212,890
|
1,139,444
|
|
| Net Assets |
275,338
|
279,374
|
[1] |
| Core/developed technology |
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Gross Assets |
827,232
|
791,647
|
|
| Accumulated Amortization |
692,545
|
655,119
|
|
| Net Assets |
134,687
|
136,528
|
|
| Customer relationships |
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Gross Assets |
380,817
|
358,661
|
|
| Accumulated Amortization |
268,574
|
242,058
|
|
| Net Assets |
112,243
|
116,603
|
|
| Contract rights intangible |
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Gross Assets |
192,757
|
184,304
|
|
| Accumulated Amortization |
185,357
|
181,124
|
|
| Net Assets |
7,400
|
3,180
|
|
| Trademarks and trade names |
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Gross Assets |
43,096
|
42,929
|
|
| Accumulated Amortization |
28,070
|
25,581
|
|
| Net Assets |
15,026
|
17,348
|
|
| In Process Research and Development |
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Gross Assets |
1,214
|
1,200
|
|
| Accumulated Amortization |
0
|
0
|
|
| Net Assets |
1,214
|
1,200
|
|
| Capitalized software development costs |
|
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
|
| Gross Assets |
43,112
|
40,077
|
|
| Accumulated Amortization |
38,344
|
35,562
|
|
| Net Assets |
$ 4,768
|
$ 4,515
|
|
|
|