Business realignment and acquisition integration charges - Business segment information (Details) - Operating Segments $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2022 USD ($) employee	Dec. 31, 2021 USD ($) employee	Dec. 31, 2022 USD ($) employee	Dec. 31, 2021 USD ($) employee
Diversified Industrial
Restructuring Cost and Reserve [Line Items]
Business realignment charges | $	$ 4,377	$ 3,047	$ 6,389	$ 6,064
Number of positions eliminated (employees) | employee	166	48	217	83
Aerospace Systems
Restructuring Cost and Reserve [Line Items]
Business realignment charges | $	$ 1,001	$ 598	$ 2,850	$ 595
Number of positions eliminated (employees) | employee	4	5	16	5