Revenue from Contracts with Customers - Schedule of Disaggregates Total Revenue by Geographic Origin (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Schedule of Disaggregates Total Revenue by Geographic Origin [Line Items]
Net sales	$ 455.3	$ 397.9	$ 891.3	$ 804.2
United States [Member]
Schedule of Disaggregates Total Revenue by Geographic Origin [Line Items]
Net sales	406.2	352.4	794.7	712.5
International [Member]
Schedule of Disaggregates Total Revenue by Geographic Origin [Line Items]
Net sales	$ 49.1	$ 45.5	$ 96.6	$ 91.7

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details

RBC Bearings INC 10-Q