Goodwill and intangible assets - Changes in carrying amount of goodwill (Details) $ in Thousands	6 Months Ended
	Dec. 31, 2022 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 7,740,082
Acquisition	2,891,219
Divestiture	(1,064)
Foreign currency translation	38,667
Ending balance	10,668,904
Diversified Industrial Segment
Goodwill [Roll Forward]
Beginning balance	7,185,981
Acquisition	56,587
Divestiture	(1,064)
Foreign currency translation	173
Ending balance	7,241,677
Aerospace Systems Segment
Goodwill [Roll Forward]
Beginning balance	554,101
Acquisition	2,834,632
Divestiture	0
Foreign currency translation	38,494
Ending balance	$ 3,427,227