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Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Mar. 31, 2015
Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS
 
Description
Balance at
Beginning of
Period
 
Charged (Credited)
to Costs and
Expenses
 
Write-Offs
 
Balance at
End of
Period
 
(In thousands)
Allowance for doubtful accounts
 
 
 
 
 
 
 
Year Ended March 31, 2015
$
451

 
$
(149
)
 
$
—

 
$
302

Year Ended March 31, 2014
$
703

 
$
(286
)
 
$
34

 
$
451

Year Ended March 31, 2013
$
1,099

 
$
1

 
$
(397
)
 
$
703