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Comprehensive Income Level 3 (Tables)
9 Months Ended
Dec. 31, 2011
Comprehensive Income [Abstract]  
Schedule of Comprehensive Income (Loss) [Table Text Block]
 
 
Three Months Ended December 31,
 
Nine Months Ended December 31,
 
 
2011
 
2010
 
2011
 
2010
Net income
 
$
33,649

 
$
21,765

 
$
91,944

 
$
12,266

Change in cumulative foreign currency translation adjustment
 
(9,823
)
 
793

 
(23,776
)
 
8,935

Amortization of pension and postretirement benefit plans costs, net of taxes
 
(269
)
 
(277
)
 
(809
)
 
(828
)
Unrealized gain (loss) on available for sale securities
 
132

 
109

 
(122
)
 
118

Total comprehensive income
 
$
23,689

 
$
22,390

 
$
67,237

 
$
20,491