Significant Accounting Policies - Non-trade and notes receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020
Accounting Policies [Abstract]
Notes receivable	$ 144,441	$ 97,370
Accounts receivable, other	181,874	147,500
Total	$ 326,315	$ 244,870	[1]

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