Goodwill and intangible assets - Intangible assets by major category (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Jun. 30, 2024
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 11,053,734	$ 11,202,840
Accumulated Amortization	3,609,064	3,386,659
Patents and technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,086,865	2,116,999
Accumulated Amortization	497,399	451,908
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,009,053	1,041,633
Accumulated Amortization	459,186	441,382
Customer relationships and other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	7,957,816	8,044,208
Accumulated Amortization	$ 2,652,479	$ 2,493,369