CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2025	Jan. 31, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 297,411	$ 446,207
Other comprehensive income (loss):
Change in foreign currency translation adjustment	(28,637)	18,290
Change in unrealized gains (losses) on available-for-sale securities, net of tax of $0 for periods presented	(42)	1,012
Cash flow hedges:
Deferred gains (losses), net of tax of $11,494 and $(3,003), respectively	(36,448)	10,610
Reclassification adjustment on deferred (gains) losses included in net income, net of tax of $(1,403) and $(1,690), respectively	3,588	3,278
Other comprehensive income (loss), net of tax effects	(61,539)	33,190
Comprehensive income	235,872	479,397
Less: Net income (loss) attributed to non-controlling interest and redeemable non-controlling interest	1,728	(2,905)
Comprehensive income attributed to Synopsys	$ 234,144	$ 482,302