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
Mar. 31, 2013
Mar. 31, 2012
Noncontrolling Interest [Line Items]    
Non-controlling interest, Beginning Balance $ 43,120 $ 39,966
Net earnings attributable to non-controlling interest 908 256
Foreign currency translation adjustment 60 153
Capital contribution from non-controlling interest 3,152 0
Capital distribution to non-controlling interest (1,175) 0
Non-controlling interest, Ending Balance $ 46,065 $ 40,375