Business realignment and acquisition integration charges - Acquisition integration charges related to the Lord and Exotic acquisitions (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Diversified Industrial
Restructuring Cost and Reserve [Line Items]
Acquisition integration charges	$ 1,292	$ 5,395	$ 3,302	$ 7,276
Aerospace Systems
Restructuring Cost and Reserve [Line Items]
Acquisition integration charges	$ 11,964	$ 25,849	$ 26,374	$ 69,377