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Property, Plant and Equipment (Tables)
6 Months Ended
Sep. 30, 2014
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, plant and equipment consisted of the following:

  
September 30, 2014
  
March 31, 2014
 
Gross property, plant and equipment
 
$
1,039.8
  
$
1,078.6
 
Accumulated depreciation
  
(690.7
)
  
(719.0
)
Net property, plant and equipment
 
$
349.1
  
$
359.6