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Goodwill (Tables)
 12 Months Ended
Mar. 31, 2016
Goodwill [Abstract]  
Schedule of changes in the carrying amount of goodwill
Changes in the carrying amount of goodwill, by segment and in the aggregate, were as follows:

  
Americas
 
Asia
 
Building
HVAC
 
Total
Balance, March 31, 2014
 
$
10.9
  
$
0.5
  
$
17.3
  
$
28.7
 
Impairment charge
  
(7.8
)
  
-
   
-
   
(7.8
)
Effect of exchange rate changes
  
(3.1
)
  
-
   
(1.6
)
  
(4.7
)
Balance, March 31, 2015
  
-
   
0.5
   
15.7
   
16.2
 
Effect of exchange rate changes
  
-
   
-
   
(0.4
)
  
(0.4
)
Balance, March 31, 2016
 
$
-
  
$
0.5
  
$
15.3
  
$
15.8