Income Taxes - Schedule of income taxes (Details) - USD ($) $ in Thousands	3 Months Ended						12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2021	Jun. 30, 2020		Jun. 30, 2019
Federal
Current							$ 247,094	$ 105,796		$ 160,858
Deferred							(52,960)	24,905		18,133
Foreign
Current							269,607	167,680		206,167
Deferred							8,851	(14,247)		3,202
State and local
Current							34,895	18,756		20,932
Deferred							(7,391)	1,632		15,100
Income taxes	$ 126,101	$ 129,350	$ 93,063	$ 88,501	$ 49,331	$ 93,811	$ 500,096	$ 304,522	[1]	$ 424,392	[1]

[1] *Years ended June 30, 2020 and 2019 amounts have been adjusted to reflect the change in inventory accounting method, as described in Notes 1 and 7 to the Consolidated Financial Statements.