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RETIREMENT PLANS (Tables)
 9 Months Ended
Dec. 31, 2017
Retirement Benefits [Abstract]  
Schedule of Net Pension Benefit
The following tables set forth the combined net pension benefit recognized in our condensed consolidated financial statements for all plans (in thousands):
 
Three Months Ended December 31,
 
2017
 
2016
Service cost, benefits earned during the period
$
14

 
$
—

Interest cost on projected benefit obligation
628

 
616

Expected return on assets
(980
)
 
(902
)
Amortization of net actuarial loss
7

 
—

Net pension benefit
$
(331
)
 
$
(286
)

 
Nine Months Ended December 31,
 
2017
 
2016
Service cost, benefits earned during the period
$
41

 
$
—

Interest cost on projected benefit obligation
1,883

 
1,850

Expected return on assets
(2,941
)
 
(2,706
)
Amortization of net actuarial loss
21

 
—

Net pension benefit
$
(996
)
 
$
(856
)