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Goodwill and Intangible Assets
6 Months Ended
Sep. 30, 2013
Goodwill and Intangible Assets [Abstract]  
Goodwill and Intangible Assets
Note 13: Goodwill and Intangible Assets

Changes in the carrying amount of goodwill were as follows:

 
 
  
South
  
Commercial
  
 
 
 
Asia
  
America
  
Products
  
Total
 
 
 
  
  
  
 
Goodwill, March 31, 2013
 
$
0.5
  
$
12.2
  
$
16.0
  
$
28.7
 
Fluctuations in foreign currency
  
-
   
(1.0
)
  
0.9
   
(0.1
)
Goodwill, September 30, 2013
 
$
0.5
  
$
11.2
  
$
16.9
  
$
28.6
 

Intangible assets consisted of the following:

 
 
September 30, 2013
  
March 31, 2013
 
 
 
Gross
  
  
Net
  
Gross
  
  
Net
 
 
 
Carrying
  
Accumulated
  
Intangible
  
Carrying
  
Accumulated
  
Intangible
 
 
 
Value
  
Amortization
  
Assets
  
Value
  
Amortization
  
Assets
 
 
 
  
  
  
  
  
 
Tradenames
 
$
9.9
  
$
(5.2
)
 
$
4.7
  
$
9.6
  
$
(4.7
)
 
$
4.9
 
Acquired technology
  
3.5
   
(0.2
)
  
3.3
   
3.5
   
(0.1
)
  
3.4
 
Total intangible assets
 
$
13.4
  
$
(5.4
)
 
$
8.0
  
$
13.1
  
$
(4.8
)
 
$
8.3
 

Amortization expense for the three months ended September 30, 2013 and 2012 was $0.2 million and $0.1 million, respectively.  Amortization expense for the six months ended September 30, 2013 and 2012 was $0.4 million and $0.3 million, respectively. Estimated future amortization expense is as follows:

 
 
Estimated
 
Fiscal
 
Amortization
 
Year
 
Expense
 
 
 
 
Remainder of 2014
 
$
0.4
 
2015
  
1.1
 
2016
  
1.2
 
2017
  
1.3
 
2018
  
1.3
 
2019 & Beyond
  
2.7