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Net Income (Loss) Per Share (Tables) | 9 Months Ended
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Jul. 31, 2025
Earnings Per Share [Abstract] |
Schedule of Reconciliation of Weighted-Average Common Shares Used to Calculate Net Income (loss) Per Share | The table below reconciles the weighted average common shares used to calculate basic net income (loss) per share with the weighted average common shares used to calculate diluted net income (loss) per share:
| Three Months Ended July 31, |  | Nine Months Ended July 31,
| 2025 |  | 2024 |  | 2025 |  | 2024
| (in thousands, except per share amounts)
Numerator: |  |  |  |  |  |  |
Net income from continuing operations attributed to Synopsys | $ | 242,509 |  |  | $ | 425,868 |  |  | $ | 887,424 |  |  | $ | 1,162,429 |
Net income (loss) from discontinued operations attributed to Synopsys | — |  |  | (17,813) |  |  | (3,900) |  |  | (13,155) |
Net income attributed to Synopsys | $ | 242,509 |  |  | $ | 408,055 |  |  | $ | 883,524 |  |  | $ | 1,149,274 |
Denominator: |  |  |  |  |  |  |
Weighted average common shares for basic net income per share | 160,174 |  |  | 153,417 |  |  | 156,536 |  |  | 152,885 |
Dilutive effect of common share equivalents from equity-based compensation | 1,508 |  |  | 2,714 |  |  | 1,640 |  |  | 2,978 |
Weighted average common shares for diluted net income per share | 161,682 |  |  | 156,131 |  |  | 158,176 |  |  | 155,863 |
Net income (loss) per share attributed to Synopsys - basic: |  |  |  |  |  |  |
Continuing operations | $ | 1.51 |  |  | $ | 2.78 |  |  | $ | 5.67 |  |  | $ | 7.60 |
Discontinued operations | $ | — |  |  | $ | (0.12) |  |  | $ | (0.03) |  |  | $ | (0.08) |
Basic net income per share | $ | 1.51 |  |  | $ | 2.66 |  |  | $ | 5.64 |  |  | $ | 7.52 |
Net income (loss) per share attributed to Synopsys - diluted: |  |  |  |  |  |  |
Continuing operations | $ | 1.50 |  |  | $ | 2.73 |  |  | $ | 5.61 |  |  | $ | 7.46 |
Discontinued operations | $ | — |  |  | $ | (0.12) |  |  | $ | (0.02) |  |  | $ | (0.09) |
Diluted net income per share | $ | 1.50 |  |  | $ | 2.61 |  |  | $ | 5.59 |  |  | $ | 7.37 |
Anti-dilutive employee stock-based awards excluded | 479 |  |  | 211 |  |  | 430 |  |  | 203 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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