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, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Diversified Industrial
Restructuring Cost and Reserve [Line Items]
Acquisition integration charges	$ 2,072	$ 1,292	$ 3,477	$ 3,302
Aerospace Systems
Restructuring Cost and Reserve [Line Items]
Acquisition integration charges	$ 3,375	$ 11,964	$ 15,274	$ 26,374