Unaudited Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 268,627	$ 313,341
Other comprehensive income (loss):
Change in foreign currency translation adjustment	40,317	(613)
Changes in unrealized gains (losses) on available-for-sale securities, net of tax of $0 for periods presented	1,158	(500)
Cash flow hedges:
Deferred gains (losses), net of tax $(14,807) and $230, respectively.	42,112	(1,585)
Reclassification adjustment on deferred (gains) losses included in net income, net of tax of $(3,099) and $(302), respectively.	8,357	845
Other comprehensive income (loss), net of tax effects	91,944	(1,853)
Comprehensive income	360,571	311,488
Less: net income (loss) attributed to non-controlling interest and redeemable non-controlling interest	(2,909)	(346)
Comprehensive income attributed to Synopsys	$ 363,480	$ 311,834