Estimated Useful Lives (Detail)	12 Months Ended
Dec. 31, 2013 Minimum Building Improvements	Dec. 31, 2013 Minimum Machinery and Equipment	Dec. 31, 2013 Minimum Tools and Dies	Dec. 31, 2013 Minimum Computer Hardware And Software	Dec. 31, 2012 Maximum Building Improvements	Dec. 31, 2012 Maximum Machinery and Equipment	Dec. 31, 2012 Maximum Tools and Dies	Dec. 31, 2012 Maximum Computer Hardware And Software
Property, Plant and Equipment [Line Items]
Property plant and equipment useful life	15 years	3 years	3 years	3 years	40 years	20 years	7 years	5 years

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration