Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Equity Attributable to Non-controlling Interests (Detail)

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Stockholders' Equity - Equity Attributable to Non-controlling Interests (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Noncontrolling Interest [Abstract]        
Non-controlling interest, Beginning Balance     $ 43,120 $ 39,966
Net earnings attributable to non-controlling interest 1,752 438 2,660 694
Foreign currency translation adjustment     (9) 83
Capital contribution by non-controlling interest     3,152 0
Capital distribution to non-controlling interest     (1,675) 0
Non-controlling interest, Ending Balance $ 47,248 $ 40,743 $ 47,248 $ 40,743