Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Property, Plant and Equipment Estimated Useful Lives (Detail)

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Summary of Significant Accounting Policies - Property, Plant and Equipment Estimated Useful Lives (Detail)
 12 Months Ended
Mar. 31, 2014
Buildings [Member]
  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment useful life 40 years
Minimum [Member] | Building Improvements [Member]
  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment useful life 5 years
Minimum [Member] | Manufacturing Machinery [Member]
  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment useful life 10 years
Minimum [Member] | General Equipment [Member]
  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment useful life 5 years
Minimum [Member] | Computer Equipment, Software, and Software Development [Member]
  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment useful life 3 years
Minimum [Member] | Office Furniture and Equipment [Member]
  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment useful life 3 years
Maximum [Member] | Building Improvements [Member]
  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment useful life 40 years
Maximum [Member] | Manufacturing Machinery [Member]
  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment useful life 20 years
Maximum [Member] | General Equipment [Member]
  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment useful life 10 years
Maximum [Member] | Computer Equipment, Software, and Software Development [Member]
  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment useful life 7 years
Maximum [Member] | Office Furniture and Equipment [Member]
  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment useful life 10 years