CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 289,089	$ 269,948	$ 735,296	$ 538,575
Other comprehensive income (loss):
Change in foreign currency translation adjustment	(18,677)	(8,788)	(387)	31,529
Change in unrealized gains (losses) on available-for-sale securities, net of tax of $0 for periods presented	(133)	380	879	1,538
Cash flow hedges:
Deferred gains (losses), net of tax $3,022 and $19 for the three and six months ended April 30, 2024, respectively, and of $1,959 and $(12,848) for each of the same periods in fiscal 2023, respectively.	(7,135)	(4,530)	3,475	37,582
Reclassification adjustment on deferred (gains) losses included in net income, net of tax of $(741) and $(2,431) for the three and six months ended April 30, 2024, respectively, and of $(3,497) and (6,596) for each of the same periods in fiscal 2023, respectively.	1,156	9,274	4,434	17,631
Other comprehensive income (loss), net of tax effects	(24,789)	(3,664)	8,401	88,280
Comprehensive income	264,300	266,284	743,697	626,855
Less: Net income (loss) attributed to non-controlling interest and redeemable non-controlling interest	(3,018)	(2,962)	(5,923)	(5,871)
Comprehensive income attributed to Synopsys	$ 267,318	$ 269,246	$ 749,620	$ 632,726