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Cash Flow
 9 Months Ended
Jan. 31, 2017
Supplemental Cash Flow Information [Abstract]  
Cash Flow
Cash Flow
 
Supplemental disclosures of cash flow information:
 

Nine Months Ended
 

January 31,
(in thousands)

2017

2016
Cash paid during the period for:

 

 
Interest

$
435


$
359

Income taxes

$
19,966


$
23,186