Revenue recognition - Revenue by geographic region (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021		Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Revenues from contracts	$ 4,086,387	$ 3,746,326	[1]	$ 11,673,776	$ 10,388,771	[2]
North America
Disaggregation of Revenue [Line Items]
Revenues from contracts	2,645,106	2,354,251		7,451,153	6,598,238
Europe
Disaggregation of Revenue [Line Items]
Revenues from contracts	829,392	788,498		2,344,533	2,087,030
Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues from contracts	560,250	561,274		1,735,574	1,586,375
Latin America
Disaggregation of Revenue [Line Items]
Revenues from contracts	$ 51,639	$ 42,303		$ 142,516	$ 117,128

[1] *Prior period has been adjusted to reflect the change in inventory accounting method, as described in the Company's fiscal 2021 Annual Report on Form 10-K.

[2] *Prior period has been adjusted to reflect the change in inventory accounting method, as described in the Company's fiscal 2021 Annual Report on Form 10-K.