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Restructuring Charges Restructuring Charges (Tables)
 12 Months Ended
Apr. 30, 2020
Restructuring and Related Activities [Abstract]  
Restructuring Charges Reserve
A reserve for restructuring charges is included in accrued compensation and related expenses in the consolidated balance sheets as of April 30, 2020 and 2019 which relates to employee termination costs accrued but not yet paid as follows:
 
APRIL 30
(in thousands)
2020
 
2019
Restructuring reserve balance, beginning of year
$
387

 
$
—

Expense
(18
)
 
1,987

Payments and adjustments
(180
)
 
(1,600
)
Restructuring reserve balance, end of year
$
189

 
$
387