Unaudited Condensed Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jan. 31, 2021	Jan. 31, 2020
Revenue:
Total revenue	$ 970,321	$ 834,381
Cost of revenue:
Amortization of intangible assets	11,886	13,169
Total cost of revenue	207,999	192,868
Gross margin	762,322	641,513
Operating expenses:
Research and development	357,468	314,283
Sales and marketing	170,628	152,855
General and administrative	77,488	68,744
Amortization of intangible assets	8,390	9,364
Restructuring charges	0	8,751
Total operating expenses	613,974	553,997
Operating income	148,348	87,516
Other income (expense), net	28,756	12,057
Income before income taxes	177,104	99,573
Provision (benefit) for income taxes	15,076	(4,488)
Net income	162,028	104,061
Net income (loss) attributed to non-controlling interest	(317)	0
Net income attributed to Synopsys	$ 162,345	$ 104,061
Net income per share:
Basic (in USD per share)	$ 1.06	$ 0.69
Diluted (in USD per share)	$ 1.03	$ 0.67
Shares used in computing per share amounts:
Basic (shares)	152,498	150,244
Diluted (shares)	157,277	154,504
Time-based products
Revenue:
Total revenue	$ 631,290	$ 556,439
Cost of revenue:
Cost of revenue	127,347	117,784
Upfront products
Revenue:
Total revenue	174,381	150,721
Maintenance and service
Revenue:
Total revenue	164,650	127,221
Cost of revenue:
Cost of revenue	$ 68,766	$ 61,915