Segment Information - Product Revenues by Systems and Software (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Product Information [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 780,370	$ 695,495	$ 2,277,982	$ 2,069,446
Product
Product Information [Line Items]
Revenue from contract with customer, excluding assessed tax	388,838	308,489	1,094,531	914,510
Systems \| Product
Product Information [Line Items]
Revenue from contract with customer, excluding assessed tax	180,855	129,845	519,968	406,873
Software \| Product
Product Information [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 207,983	$ 178,644	$ 574,563	$ 507,637

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

F5, INC. 10-Q