Goodwill and intangible assets - Intangible assets by major category (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Jun. 30, 2024
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 11,146,085	$ 11,202,840
Accumulated Amortization	3,775,561	3,386,659
Patents and technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,100,813	2,116,999
Accumulated Amortization	523,809	451,908
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,014,874	1,041,633
Accumulated Amortization	473,713	441,382
Customer relationships and other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,030,398	8,044,208
Accumulated Amortization	$ 2,778,039	$ 2,493,369