Management representation - Narrative (Details) $ in Thousands		3 Months Ended
	Nov. 01, 2024 USD ($) divestiture	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of businesses		$ 884	$ 36,691
Subsequent Event
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of divestitures | divestiture	2
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Composites And Fuel Containment Business | Subsequent Event
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of businesses	$ 560,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Non-Core Filtration Business | Subsequent Event | Diversified Industrial
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of businesses	$ 66,000