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Goodwill and Intangible Assets
6 Months Ended
Sep. 30, 2016
Goodwill and Intangible Assets [Abstract]  
Goodwill and Intangible Assets
Note 11: Goodwill and Intangible Assets

Changes in the carrying amount of goodwill were as follows:

     
Building
    
  
Asia
  
HVAC
  
Total
 
Goodwill, March 31, 2016
 
$
0.5
  
$
15.3
  
$
15.8
 
Effect of exchange rate changes
  
-
   
(1.2
)
  
(1.2
)
Goodwill, September 30, 2016
 
$
0.5
  
$
14.1
  
$
14.6
 

Intangible assets consisted of the following:

  
September 30, 2016
  
March 31, 2016
 
  
Gross
     
Net
  
Gross
     
Net
 
  
Carrying
  
Accumulated
  
Intangible
  
Carrying
  
Accumulated
  
Intangible
 
  
Value
  
Amortization
  
Assets
  
Value
  
Amortization
  
Assets
 
Trade names
 
$
8.4
  
$
(6.2
)
 
$
2.2
  
$
8.9
  
$
(6.3
)
 
$
2.6
 
Acquired technology
  
5.3
   
(1.9
)
  
3.4
   
5.5
   
(1.5
)
  
4.0
 
Customer relationships
  
1.8
   
(0.4
)
  
1.4
   
2.0
   
(0.4
)
  
1.6
 
Total intangible assets
 
$
15.5
  
$
(8.5
)
 
$
7.0
  
$
16.4
  
$
(8.2
)
 
$
8.2
 

The Company recorded $0.4 million of amortization expense during both the three months ended September 30, 2016 and 2015.  The Company recorded $0.8 million of amortization expense during both the six months ended September 30, 2016 and 2015.  Estimated future amortization expense is as follows:

  
Estimated
 
  
Amortization
 
Fiscal Year
 
Expense
 
Remainder of 2017
 
$
0.8
 
2018
  
1.5
 
2019
  
1.4
 
2020
  
1.3
 
2021
  
0.7
 
2022 & Beyond
  
1.3