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Summary of Significant Accounting Policies - Schedule of Useful Lives (Detail)	12 Months Ended
	Dec. 31, 2014
Minimum [Member] | Buildings [Member]
Foreign Currency Translation [Line Items]
Useful life, in years	25 years
Minimum [Member] | Plant equipment and instrumentation [Member]
Foreign Currency Translation [Line Items]
Useful life, in years	2 years
Minimum [Member] | Furniture and fixtures [Member]
Foreign Currency Translation [Line Items]
Useful life, in years	4 years
Maximum [Member] | Buildings [Member]
Foreign Currency Translation [Line Items]
Useful life, in years	33 years
Maximum [Member] | Plant equipment and instrumentation [Member]
Foreign Currency Translation [Line Items]
Useful life, in years	10 years
Maximum [Member] | Furniture and fixtures [Member]
Foreign Currency Translation [Line Items]
Useful life, in years	8 years

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- Definition

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.

+ References

No definition available.

+ Details

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