Revenue recognition - Revenue by geographic region (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Revenues from contracts	$ 4,847,488	$ 4,232,775
North America
Disaggregation of Revenue [Line Items]
Revenues from contracts	3,293,091	2,834,920
Europe
Disaggregation of Revenue [Line Items]
Revenues from contracts	941,715	753,932
Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues from contracts	554,405	588,398
Latin America
Disaggregation of Revenue [Line Items]
Revenues from contracts	$ 58,277	$ 55,525