Useful Lives of Property Plant and Equipment (Detail)	12 Months Ended
	Dec. 31, 2014
Buildings and improvements | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful lives	5 years
Buildings and improvements | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful lives	45 years
Machinery, equipment and tooling | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful lives	3 years
Machinery, equipment and tooling | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful lives	25 years
Furniture and Fixtures | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful lives	3 years
Furniture and Fixtures | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful lives	10 years