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Other Assets - Schedule of Other Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Other Current Assets:    
Income tax receivable $ 161us-gaap_IncomeTaxesReceivable $ 10,322us-gaap_IncomeTaxesReceivable
Other 21,419us-gaap_OtherAssetsMiscellaneousCurrent 17,190us-gaap_OtherAssetsMiscellaneousCurrent
Total other current assets 21,580us-gaap_OtherAssetsCurrent 27,512us-gaap_OtherAssetsCurrent
Other Assets:    
Deferred tax assets, net 6,868us-gaap_DeferredTaxAssetsNetNoncurrent 7,202us-gaap_DeferredTaxAssetsNetNoncurrent
Long-term income tax receivable 8,175us-gaap_IncomeTaxesReceivableNoncurrent 8,092us-gaap_IncomeTaxesReceivableNoncurrent
Other 2,122us-gaap_OtherAssetsMiscellaneousNoncurrent 1,912us-gaap_OtherAssetsMiscellaneousNoncurrent
Total other assets $ 17,165us-gaap_OtherAssetsNoncurrent $ 17,206us-gaap_OtherAssetsNoncurrent