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Major Customers and Export Sales - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Customer One
Segment Reporting Information [Line Items]
Percentage of customer receivables	14.00%	21.00%	14.00%
Customer Two
Segment Reporting Information [Line Items]
Percentage of customer receivables	11.00%	12.00%	10.00%
Customer Three
Segment Reporting Information [Line Items]
Percentage of customer receivables	10.00%	10.00%	8.00%
Customer Concentration Risk | Sales | Customer One
Segment Reporting Information [Line Items]
Percentage to company consolidated sales	18.00%	20.00%	17.00%
Customer Concentration Risk | Sales | Customer Two
Segment Reporting Information [Line Items]
Percentage to company consolidated sales	12.00%	11.00%	13.00%
Customer Concentration Risk | Sales | Customer Three
Segment Reporting Information [Line Items]
Percentage to company consolidated sales	8.00%	8.00%	8.00%

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- Definition

Entity Wide Trade Receivables Major Customer Percentage

+ References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6404-108592

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13537-108611

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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