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Property, Plant and Equipment (Details Textual)
3 Months Ended
Jun. 30, 2012
Buildings and improvements [Member] | Maximum [Member]
 
Property, Plant and Equipment (Narrative) [Abstract]  
Useful lives 39 years
Buildings and improvements [Member] | Minimum [Member]
 
Property, Plant and Equipment (Narrative) [Abstract]  
Useful lives 10 years
Machinery and equipment [Member] | Maximum [Member]
 
Property, Plant and Equipment (Narrative) [Abstract]  
Useful lives 25 years
Machinery and equipment [Member] | Minimum [Member]
 
Property, Plant and Equipment (Narrative) [Abstract]  
Useful lives 3 years