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Related Party Transactions (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jan. 29, 2022
Jan. 30, 2021
Jan. 29, 2022
Jan. 30, 2021
Apr. 30, 2021
Long-Term Incentive Awards          
Revenue $ 9,543 $ 7,480 $ 30,237 $ 35,318  
Unbilled related party receivables 5,944   5,944   $ 544
HAPSMobile | Design and Development Agreement          
Long-Term Incentive Awards          
Maximum net value 185,202   185,202    
Revenue 9,543   30,237    
Unbilled related party receivables 5,944   5,944   $ 544
SoftBank | Design and Development Agreement          
Long-Term Incentive Awards          
Maximum net value $ 51,200   $ 51,200    
Revenue   $ 7,480   $ 35,318