Business realignment and acquisition integration charges - Business segment information (Details) - Operating Segments $ in Thousands	3 Months Ended
	Sep. 30, 2023 USD ($) employee	Sep. 30, 2022 USD ($) employee
Diversified Industrial
Restructuring Cost and Reserve [Line Items]
Business realignment charges | $	$ 12,639	$ 2,012
Number of positions eliminated (employees) | employee	325	51
Aerospace Systems
Restructuring Cost and Reserve [Line Items]
Business realignment charges | $	$ 453	$ 1,849
Number of positions eliminated (employees) | employee	2	12