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Restructuring Charges Restructuring Charges (Tables)
 6 Months Ended
Oct. 31, 2020
Restructuring and Related Activities [Abstract]  
Restructuring Charges Reserve
A reserve for restructuring charges is included in accrued compensation and related expenses in the condensed consolidated balance sheets as of October 31, 2020 which relates to employee termination costs accrued but not yet paid as follows:
October 31,
(in thousands)2020
Restructuring reserve balance at May 1$189 
Expense1,736 
Payments and adjustments(1,502)
Restructuring reserve balance at October 31$423