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REVENUE - Revenue by Product Category (Details) - Product Concentration Risk - Revenue Benchmark		3 Months Ended		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenue from External Customer [Line Items]
Revenue percentage by product category		1	1	1	1
Core EDA
Revenue from External Customer [Line Items]
Revenue percentage by product category	[1]	0.71	0.70	0.71	0.73
Semiconductor IP
Revenue from External Customer [Line Items]
Revenue percentage by product category		0.14	0.14	0.14	0.13
System Design and Analysis
Revenue from External Customer [Line Items]
Revenue percentage by product category		0.15	0.16	0.15	0.14
[1] Includes immaterial amount of revenue accounted for under leasing arrangements.

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