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Other-than-Temporary Impairment Not Previously Recognized (Table Text Block)
12 Months Ended
Mar. 31, 2013
Investments, Debt and Equity Securities [Abstract]  
Credit Losses Recognized in Earnings
Credit losses recognized in earnings for which a portion of an other-than-temporary impairment was recognized in other comprehensive income were as follows:
 
 
Credit Loss
 
 
(In thousands)
Balance at March 31, 2012
$
552
Additions:
 
 
Other-than-temporary impairment not previously recognized
 
-
Balance at March 31, 2013
$
552