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Investments in Foreign Joint Ventures - Schedule of Activity in Investment in Foreign Joint Ventures (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2016
Investments in foreign joint ventures:
Balance at December 31, 2015	$ 11,104
Equity in earnings (loss) in 2016	76
Foreign currency translation adjustment	71
Balance at March 31, 2016	11,251
Components of investments in foreign joint ventures:
Investment in joint ventures		$ 2,048
Undistributed earnings		8,162
Foreign currency translation		1,041
Investments, end of period	11,251	11,251
BOMAY
Investments in foreign joint ventures:
Balance at December 31, 2015	10,896
Equity in earnings (loss) in 2016	79
Foreign currency translation adjustment	71
Balance at March 31, 2016	11,046
Components of investments in foreign joint ventures:
Investment in joint ventures		2,033
Undistributed earnings		8,177
Foreign currency translation		836
Investments, end of period	10,896	11,046
MIEFE
Investments in foreign joint ventures:
Balance at December 31, 2015	208
Equity in earnings (loss) in 2016	(3)
Balance at March 31, 2016	205
Components of investments in foreign joint ventures:
Investment in joint ventures		15
Undistributed earnings		(15)
Foreign currency translation		205
Investments, end of period	$ 208	$ 205

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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