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Accumulated Other Comprehensive Income (Loss)
 12 Months Ended
Apr. 30, 2020
Equity [Abstract]  
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss)
The Company’s other comprehensive income (loss) consists of unrealized gains and losses on the translation of the assets, liabilities, and equity of its foreign subsidiaries, changes in the fair value of its cash flow hedges, and additional minimum pension liability adjustments, net of income taxes. The before tax income (loss), related income tax effect, and accumulated balances are as follows:
$ in thousands
 
Cash Flow
Hedges
 
Foreign
Currency
Translation
Adjustment
 
Minimum
Pension
Liability
Adjustment
 
Total
Accumulated
Other
Comprehensive
Income (Loss)
Balance at April 30, 2018
 
$
(3
)
 
$
(1,427
)
 
$
(4,470
)
 
$
(5,900
)
Effect of changes in tax rates
 
—

 
—

 
(68
)
 
(68
)
Foreign currency translation adjustment
 
—

 
(464
)
 
—

 
(464
)
Change in fair value of cash flow hedges
 
4

 
—

 
—

 
4

Change in unrecognized actuarial loss on pension obligations
 
—

 
—

 
36

 
36

Income tax effect
 
(1
)
 
—

 
(14
)
 
(15
)
Balance at April 30, 2019
 
—

 
(1,891
)
 
(4,516
)
 
(6,407
)
Effect of changes in tax rates
 
 
 
—

 
—

 
—

Foreign currency translation adjustment
 
—

 
(444
)
 
—

 
(444
)
Change in fair value of cash flow hedges
 
1

 
—

 
—

 
1

Change in unrecognized actuarial loss on pension obligations
 
—

 
—

 
(3,592
)
 
(3,592
)
Income tax effect
 
(1
)
 
1

 
844

 
844

Balance at April 30, 2020
 
$
—

 
$
(2,334
)
 
$
(7,264
)
 
$
(9,598
)