Investments in Foreign Joint Ventures - Schedule of Activity in Investment in Foreign Joint Ventures (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Investments in foreign joint ventures:
Balance at December 31, 2013	$ 13,033
Equity in earnings (loss) in 2014	474	1,458
Dividend distributions in 2014	(830)
Foreign currency translation adjustment	148
Investments, end of period	12,825
Components of investments in foreign joint ventures:
Investment in joint ventures	2,102
Undistributed earnings	9,139
Foreign currency translation	1,584
Investments, end of period	12,825
BOMAY
Investments in foreign joint ventures:
Balance at December 31, 2013	10,609
Equity in earnings (loss) in 2014	548
Dividend distributions in 2014	0
Foreign currency translation adjustment	(31)
Investments, end of period	11,126
Components of investments in foreign joint ventures:
Investment in joint ventures	2,033
Undistributed earnings	7,693
Foreign currency translation	1,400
Investments, end of period	11,126
MIEFE
Investments in foreign joint ventures:
Balance at December 31, 2013	1,138
Equity in earnings (loss) in 2014	(38)
Foreign currency translation adjustment	8
Investments, end of period	1,108
Components of investments in foreign joint ventures:
Investment in joint ventures	15
Undistributed earnings	831
Foreign currency translation	262
Investments, end of period	1,108
AAG
Investments in foreign joint ventures:
Balance at December 31, 2013	1,286
Equity in earnings (loss) in 2014	(36)
Dividend distributions in 2014	(830)
Foreign currency translation adjustment	171
Investments, end of period	591
Components of investments in foreign joint ventures:
Investment in joint ventures	54
Undistributed earnings	615
Foreign currency translation	(78)
Investments, end of period	$ 591

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This item represents disclosure of the amount of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporation; these investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

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