Business realignment and acquisition integration charges - Business segment information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023 USD ($) employee	Dec. 31, 2022 USD ($) employee	Dec. 31, 2023 USD ($) employee	Dec. 31, 2022 USD ($) employee
Other income, net
Restructuring Cost and Reserve [Line Items]
Business realignment charges	$ 1,192	$ 0	$ 1,192	$ 0
Diversified Industrial | Operating Segments
Restructuring Cost and Reserve [Line Items]
Business realignment charges	$ 13,285	$ 4,377	$ 25,924	$ 6,389
Number of positions eliminated (employees) | employee	190	166	515	217
Aerospace Systems | Operating Segments
Restructuring Cost and Reserve [Line Items]
Business realignment charges	$ (123)	$ 1,001	$ 330	$ 2,850
Number of positions eliminated (employees) | employee	0	4	2	16