Goodwill and intangible assets - Changes in carrying amount of goodwill (Details) $ in Thousands	6 Months Ended
	Dec. 31, 2024 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 10,507,433
Divestitures	(89,549)
Foreign currency translation	(60,581)
Ending balance	10,357,303
Diversified Industrial Segment
Goodwill [Roll Forward]
Beginning balance	7,607,429
Divestitures	(89,549)
Foreign currency translation	(50,556)
Ending balance	7,467,324
Aerospace Systems Segment
Goodwill [Roll Forward]
Beginning balance	2,900,004
Divestitures	0
Foreign currency translation	(10,025)
Ending balance	$ 2,889,979