CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024
Revenue:
Total revenue	$ 1,604,266	$ 1,454,712	$ 3,059,581	$ 2,965,701
Cost of revenue:
Amortization of acquired intangible assets	7,660	13,500	16,256	26,655
Total cost of revenue	318,347	300,397	588,322	579,590
Gross margin	1,285,919	1,154,315	2,471,259	2,386,111
Operating expenses:
Research and development	553,979	493,136	1,107,195	1,018,670
Sales and marketing	215,021	209,783	424,220	428,626
General and administrative	136,497	114,763	303,583	246,027
Amortization of acquired intangible assets	3,996	4,561	7,996	8,090
Total operating expenses	909,493	822,243	1,842,994	1,701,413
Operating income	376,426	332,072	628,265	684,698
Interest expense	(94,336)	(7,067)	(105,475)	(8,805)
Other income (expense), net	114,101	16,525	164,518	123,091
Income before income taxes	396,191	341,530	687,308	798,984
Provision (benefit) for income taxes	47,181	45,437	40,887	68,346
Net income from continuing operations	349,010	296,093	646,421	730,638
Income (loss) from discontinued operations, net of income taxes	(3,900)	(7,004)	(3,900)	4,658
Net income	345,110	289,089	642,521	735,296
Less: Net income (loss) attributed to non-controlling interest and redeemable non-controlling interest	(222)	(3,018)	1,506	(5,923)
Net income attributed to Synopsys	345,332	292,107	641,015	741,219
Net income (loss) attributed to Synopsys:
Continuing operations	349,232	299,111	644,915	736,561
Discontinued operations	(3,900)	(7,004)	(3,900)	4,658
Net income attributed to Synopsys	$ 345,332	$ 292,107	$ 641,015	$ 741,219
Net income (loss) per share attributed to Synopsys - basic:
Continuing operations (in USD per share)	$ 2.25	$ 1.96	$ 4.17	$ 4.83
Discontinued operations (in USD per share)	(0.02)	(0.05)	(0.03)	0.03
Basic net income per share (in USD per share)	2.23	1.91	4.14	4.86
Net income (loss) per share attributed to Synopsys - diluted:
Continuing operations (in USD per share)	2.24	1.92	4.13	4.73
Discontinued operations (in USD per share)	(0.03)	(0.04)	(0.03)	0.03
Diluted net income per share (in USD per share)	$ 2.21	$ 1.88	$ 4.10	$ 4.76
Shares used in computing per share amounts:
Basic (in shares)	154,927	152,971	154,666	152,629
Diluted (in shares)	156,088	155,770	156,218	155,610
Products
Revenue:
Total revenue	$ 1,339,002	$ 1,178,103	$ 2,535,364	$ 2,425,532
Cost of revenue:
Cost of revenue	216,216	198,719	385,058	374,217
Time-based products
Revenue:
Total revenue	828,326	781,714	1,656,564	1,586,777
Upfront products
Revenue:
Total revenue	510,676	396,389	878,800	838,755
Maintenance and service
Revenue:
Total revenue	265,264	276,609	524,217	540,169
Cost of revenue:
Cost of revenue	$ 94,471	$ 88,178	$ 187,008	$ 178,718