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Accumulated Other Comprehensive Income (Loss) (Tables)
 12 Months Ended
May 31, 2018
Equity [Abstract]  
Accumulated Other Comprehensive Income (Loss)
Changes in each component of accumulated other comprehensive income (loss), net of tax, are as follows for fiscal 2018 and 2017:

(in thousands)
 
Foreign currency translation gain (loss)
 
Unrealized gain (loss) on marketable securities
 
Total
Balance at May 31, 2016
 
$
(760
)
 
$
(31
)
 
$
(791
)
Other comprehensive income (loss) before reclassifications, net of tax
 
(545
)
 
12

 
(533
)
Amounts reclassified from accumulated other comprehensive income
 
—

 
—

 
—

Net other comprehensive income (loss)
 
$
(545
)
 
$
12

 
$
(533
)
Balance at May 31, 2017
 
$
(1,305
)
 
$
(19
)
 
$
(1,324
)
Other comprehensive income before reclassifications, net of tax
 
270

 
102

 
372

Amounts reclassified from accumulated other comprehensive income
 
—

 
—

 
—

Net other comprehensive income
 
$
270

 
$
102

 
$
372

Balance at May 31, 2018
 
$
(1,035
)
 
$
83

 
$
(952
)