Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Revenue:
Total revenue	$ 4,204,193	$ 3,685,281	$ 3,360,694
Cost of revenue:
Amortization of intangible assets	48,461	52,452	59,623
Total cost of revenue	861,777	794,690	752,946
Gross margin	3,342,416	2,890,591	2,607,748
Operating expenses:
Research and development	1,504,823	1,279,022	1,136,932
Sales and marketing	712,491	632,010	632,890
General and administrative	322,988	284,530	229,218
Amortization of intangible assets	33,919	38,829	41,291
Restructuring charges	33,405	36,059	47,186
Total operating expenses	2,607,626	2,270,450	2,087,517
Operating income	734,790	620,141	520,231
Other income (expense), net	70,724	18,018	25,275
Income before income taxes	805,514	638,159	545,506
Provision (benefit) for income taxes	49,155	(25,288)	13,139
Net income	756,359	663,447	532,367
Net income (loss) attributed to non-controlling interest	(1,157)	(900)	0
Net income attributed to Synopsys	$ 757,516	$ 664,347	$ 532,367
Net income per share attributed to Synopsys:
Basic (in USD per share)	$ 4.96	$ 4.40	$ 3.55
Diluted (in USD per share)	$ 4.81	$ 4.27	$ 3.45
Shares used in computing per share amounts:
Basic (shares)	152,698	151,135	149,872
Diluted (shares)	157,340	155,706	154,190
Time-based products
Revenue:
Total revenue	$ 2,633,763	$ 2,365,199	$ 2,197,965
Cost of revenue:
Cost of revenue	542,114	487,307	459,127
Upfront products
Revenue:
Total revenue	861,063	735,572	619,791
Maintenance and service
Revenue:
Total revenue	709,367	584,510	542,938
Cost of revenue:
Cost of revenue	$ 271,202	$ 254,931	$ 234,196