Business realignment and acquisition integration charges - Business segment information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2025 USD ($) employee	Mar. 31, 2024 USD ($) employee	Mar. 31, 2025 USD ($) employee	Mar. 31, 2024 USD ($) employee
Other income, net
Restructuring Cost and Reserve [Line Items]
Business realignment charges	$ 116	$ 1,527	$ 1,265	$ 2,719
Segment Reporting, Reconciling Item, Corporate Nonsegment
Restructuring Cost and Reserve [Line Items]
Business realignment charges	$ (21)	$ 0	$ 554	$ 0
Number of positions eliminated (employees) | employee	(1)	0	13	0
Diversified Industrial | Operating Segments
Restructuring Cost and Reserve [Line Items]
Business realignment charges	$ 10,249	$ 6,953	$ 38,492	$ 32,877
Number of positions eliminated (employees) | employee	156	143	876	658
Aerospace Systems | Operating Segments
Restructuring Cost and Reserve [Line Items]
Business realignment charges	$ 35	$ (12)	$ 429	$ 318
Number of positions eliminated (employees) | employee	45	(1)	61	1