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Schedule of Other Expense Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2021	Oct. 31, 2020
Other Income and Expenses [Abstract]
Foreign currency transaction losses	$ (250)	$ (428)
Equity in net loss of investee	(623)
Losses on investments (see Note 7)	(14,494)	(920)
Other	(849)	(32)
Total other expense, net	$ (16,216)	$ (1,380)

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Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

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