Goodwill and intangible assets - Intangible assets by major category (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 5,602,676	$ 5,631,854
Accumulated Amortization	2,176,136	2,112,057
Patents and technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	997,890	999,952
Accumulated Amortization	227,415	216,314
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	757,627	762,130
Accumulated Amortization	338,001	331,905
Customer lists and other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,847,159	3,869,772
Accumulated Amortization	$ 1,610,720	$ 1,563,838