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, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Noncontrolling Interest [Abstract]        
Non-controlling interests, beginning of period     $ 49,598 $ 43,120
Net earnings attributable to non-controlling interests 3,411 1,752 5,494 2,660
Foreign currency translation adjustment     25 (9)
Capital contribution by non-controlling interests     83 3,152
Capital distribution to non-controlling interests     (1,975) (1,675)
Non-controlling interests, end of period $ 53,225 $ 47,248 $ 53,225 $ 47,248