Revenue from Contracts with Customers - Summary of Revenue and Profit Attributable to Product Groups (Details) - USD ($) $ in Thousands	3 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Revenue from External Customer [Line Items]
Total revenue	$ 565,128	$ 550,214
Product lifecycle management (PLM)
Revenue from External Customer [Line Items]
Total revenue	353,460	348,647
Computer-aided design (CAD)
Revenue from External Customer [Line Items]
Total revenue	$ 211,668	$ 201,567

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details