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Other Assets - Schedule of Other Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Other Current Assets:    
Income tax receivable $ 13,520 $ 12,768
Other 24,906 15,280
Total other current assets 38,426 28,048
Other Assets:    
Deferred tax assets, net 9,613 9,497
Other 1,848 2,195
Total other assets $ 11,461 $ 11,692