Goodwill and intangible assets - Changes in carrying amount of goodwill (Details) $ in Thousands	9 Months Ended
	Mar. 31, 2023 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 7,740,082
Acquisition	3,016,285
Divestitures	(3,296)
Foreign currency translation	77,477
Ending balance	10,830,548
Diversified Industrial Segment
Goodwill [Roll Forward]
Beginning balance	7,185,981
Acquisition	30,329
Divestitures	(1,064)
Foreign currency translation	30,297
Ending balance	7,245,543
Aerospace Systems Segment
Goodwill [Roll Forward]
Beginning balance	554,101
Acquisition	2,985,956
Divestitures	(2,232)
Foreign currency translation	47,180
Ending balance	$ 3,585,005