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Derivative Instruments (Tables)
 3 Months Ended
Oct. 31, 2022
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of outstanding contracts
Settlement Date  U.S. Dollar
Amount		   NOK
Amount		 
Nov-22   225,000    2,000,925 
Dec-22   225,000    2,297,948 
Jan-23   225,000    2,296,103 
Feb-23   225,000    2,294,685 
Mar-23   225,000    2,293,065 
Apr-23   225,000    2,291,355 
May-23   225,000    2,317,545 
Total  $1,575,000    15,791,626 

 

Settlement Date  U.S. Dollar
Amount		   EUR
Amount		 
Nov-22   225,000    201,848 
Dec-22   225,000    222,332 
Jan-23   225,000    221,653 
Feb-23   225,000    221,195 
Mar-23   225,000    220,826 
Apr-23   225,000    220,459 
May-23   225,000    220,070 
Total  $1,575,000    1,528,383 

 
Schedule of fair value of outstanding derivative instruments
Assets and Liabilities Derivatives:  Balance Sheet Location  October 31,
2022		   July 31,
2022		 
Derivatives not designated or not qualifying as hedging instruments     (in thousands) 
Foreign exchange forward contracts  Accrued expenses and other current liabilities  $101   $141 

 
Schedule of derivative instruments on the condensed consolidated statements of operations and comprehensive (loss) income
      Three Months Ended
October 31,		 
Amount of (Loss) Gain Recognized on Derivatives  2022   2021 
Derivatives not designated or not qualifying as hedging instruments  Location of Loss Recognized on Derivatives  (in thousands) 
Foreign exchange forward contracts  Net loss resulting from foreign exchange transactions  $(121)  $10