Accumulated Other Comprehensive Income (Loss) - Effect of Amounts Reclassified out of Each Component of Accumulated Other Comprehensive Income (Loss) into Net Income (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jul. 31, 2025 |
Jul. 31, 2024 |
Jul. 31, 2025 |
Jul. 31, 2024 |
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| Reclassification Adjustment Balance In Accumulated Other Comprehensive Income [Line Items] | ||||
| Revenue | $ 1,739,737 | $ 1,525,749 | $ 4,799,318 | $ 4,491,450 |
| Operating expenses | (1,193,904) | (874,862) | (3,036,898) | (2,576,275) |
| Interest expense | (146,502) | (11,742) | (251,977) | (20,547) |
| Net income attributed to Synopsys | 242,509 | 408,055 | 883,524 | 1,149,274 |
| Reclassifications: | Unrealized gains (losses) on derivative instruments, net of taxes | ||||
| Reclassification Adjustment Balance In Accumulated Other Comprehensive Income [Line Items] | ||||
| Revenue | 1,056 | 2,689 | 1,336 | (1,593) |
| Operating expenses | (8) | (611) | (5,664) | (763) |
| Interest expense | (1,331) | 0 | (2,219) | 0 |
| Net income attributed to Synopsys | $ (283) | $ 2,078 | $ (6,547) | $ (2,356) |
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- Definition Amount of interest expense classified as nonoperating. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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