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Customer Receivables (Tables)
 12 Months Ended
Apr. 30, 2018
Receivables [Abstract]  
Components Of Customer Receivables
The components of customer receivables were:
 
APRIL 30
(in thousands)
2018

2017
Gross customer receivables
$
142,622


$
66,373

Less:



Allowance for doubtful accounts
(259
)

(148
)
Allowance for returns and discounts
(6,008
)

(3,110
)






Net customer receivables
$
136,355


$
63,115