Revenue recognition - Revenues by segment and by platform (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Revenues from contracts	$ 19,929,606	$ 19,065,194	$ 15,861,608
Diversified Industrial
Disaggregation of Revenue [Line Items]
Revenues from contracts	14,457,146	14,705,693	13,342,046
Diversified Industrial | Motion Systems
Disaggregation of Revenue [Line Items]
Revenues from contracts	3,706,055	3,830,062	3,489,431
Diversified Industrial | Flow and Process Control
Disaggregation of Revenue [Line Items]
Revenues from contracts	4,672,741	4,939,356	4,616,270
Diversified Industrial | Filtration and Engineered Materials
Disaggregation of Revenue [Line Items]
Revenues from contracts	6,078,350	5,936,275	5,236,345
Aerospace Systems
Disaggregation of Revenue [Line Items]
Revenues from contracts	5,472,460	4,359,501	2,519,562
Aerospace Systems | Commercial original equipment manufacturer ("OEM")
Disaggregation of Revenue [Line Items]
Revenues from contracts	1,778,928	1,461,279	889,649
Aerospace Systems | Commercial aftermarket
Disaggregation of Revenue [Line Items]
Revenues from contracts	1,814,395	1,363,965	514,727
Aerospace Systems | Defense OEM
Disaggregation of Revenue [Line Items]
Revenues from contracts	1,125,324	905,328	705,988
Aerospace Systems | Defense aftermarket
Disaggregation of Revenue [Line Items]
Revenues from contracts	$ 753,813	$ 628,929	$ 409,198