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Goodwill and Intangible Assets
3 Months Ended
Jun. 30, 2018
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:

  
VTS
  
Building
HVAC
  
CIS
  
Total
 
Goodwill, March 31, 2018
 
$
0.5
  
$
15.0
  
$
158.3
  
$
173.8
 
Effect of exchange rate changes
  
-
   
(0.7
)
  
(2.7
)
  
(3.4
)
Goodwill, June 30, 2018
 
$
0.5
  
$
14.3
  
$
155.6
  
$
170.4
 

Intangible assets consisted of the following:

  
June 30, 2018
  
March 31, 2018
 
  
Gross
Carrying
Value
  
Accumulated
Amortization
  
Net
Intangible
Assets
  
Gross
Carrying
Value
  
Accumulated
Amortization
  
Net
Intangible
Assets
 
Customer relationships
 
$
62.5
  
$
(6.4
)
 
$
56.1
  
$
64.2
  
$
(5.7
)
 
$
58.5
 
Trade names
  
59.5
   
(11.3
)
  
48.2
   
60.6
   
(10.8
)
  
49.8
 
Acquired technology
  
24.4
   
(4.0
)
  
20.4
   
25.2
   
(3.6
)
  
21.6
 
Total intangible assets
 
$
146.4
  
$
(21.7
)
 
$
124.7
  
$
150.0
  
$
(20.1
)
 
$
129.9
 

The Company recorded amortization expense of $2.3 million and $2.4 million for the three months ended June 30, 2018 and 2017, respectively. The Company estimates that it will record approximately $9.0 million of annual amortization expense in fiscal 2020 and 2021 and approximately $8.0 million of annual amortization expense in fiscal 2022 through 2024.