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Segment Disclosure (Tables) | 6 Months Ended
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Apr. 30, 2019
Segment Reporting [Abstract] |
Schedule of Segment Reporting Information | Information by reportable segment was as follows:
| Three Months Ended April 30, |  | Six Months Ended April 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
| (in thousands)
Total Segments: |  |  |  |  |  |  |
Revenues | $ | 836,242 |  |  | $ | 776,836 |  |  | $ | 1,656,643 |  |  | $ | 1,546,262 |
Adjusted operating income | 209,836 |  |  | 190,116 |  |  | 410,788 |  |  | 386,062 |
Adjusted operating margin | 25 | % |  | 24 | % |  | 25 | % |  | 25 | %
Semiconductor & System Design: |  |  |  |  |  |  |
Revenues | $ | 753,055 |  |  | $ | 709,034 |  |  | $ | 1,490,961 |  |  | $ | 1,414,367 |
Adjusted operating income | 201,406 |  |  | 195,741 |  |  | 396,724 |  |  | 394,857 |
Adjusted operating margin | 27 | % |  | 28 | % |  | 27 | % |  | 28 | %
Software Integrity: |  |  |  |  |  |  |
Revenues | $ | 83,187 |  |  | $ | 67,802 |  |  | $ | 165,682 |  |  | $ | 131,895 |
Adjusted operating income | 8,430 |  |  | (5,625 | ) |  | 14,064 |  |  | (8,795 | )
Adjusted operating margin | 10 | % |  | (8 | )% |  | 8 | % |  | (7 | )%
Reconciliation of Operating Income From Segment Consolidation | The unallocated expenses managed at a consolidated level, including amortization of intangible assets, stock compensation and other operating expenses, are presented in the table below to provide a reconciliation of the total adjusted operating income from segments to the Company's consolidated operating income:
| Three Months Ended April 30, |  | Six Months Ended April 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
| (in thousands)
Total segment adjusted operating income | $ | 209,836 |  |  | $ | 190,116 |  |  | $ | 410,788 |  |  | $ | 386,062 |
Reconciling items: |  |  |  |  |  |  |
Amortization of intangible expense | (25,197 | ) |  | (31,186 | ) |  | (53,424 | ) |  | (59,733 | )
Stock-based compensation expense | (36,914 | ) |  | (32,965 | ) |  | (75,374 | ) |  | (65,288 | )
Other | (32,223 | ) |  | 1,049 |  |  | (19,074 | ) |  | (26,309 | )
Total operating income | $ | 115,502 |  |  | $ | 127,014 |  |  | $ | 262,916 |  |  | $ | 234,732 |
Revenues Related to Operations by Geographic Areas | Revenues related to operations in the United States and other geographic areas were:
| Three Months Ended April 30, |  | Six Months Ended April 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
| (in thousands)
Revenue: |  |  |  |  |  |  |
United States | $ | 416,744 |  |  | $ | 376,636 |  |  | $ | 824,543 |  |  | $ | 761,210 |
Europe | 83,542 |  |  | 97,014 |  |  | 167,428 |  |  | 182,479 |
Japan | 72,703 |  |  | 70,435 |  |  | 137,776 |  |  | 138,824 |
Asia-Pacific and Other | 263,253 |  |  | 232,751 |  |  | 526,896 |  |  | 463,749 |
Consolidated | $ | 836,242 |  |  | $ | 776,836 |  |  | $ | 1,656,643 |  |  | $ | 1,546,262 |

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