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Other Assets - Schedule of Other Assets (Detail) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Other Current Assets:    
Income tax receivable $ 6,233 $ 8,682
Prepaid income tax 6,562 4,755
VAT tax receivable 186 3,264
Prepaid service and support 3,290 2,970
Other 11,117 7,089
Total other current assets 27,388 26,760
Other Assets:    
Deferred tax assets, net 19,139 19,252
Other 2,253 1,998
Total other assets $ 21,392 $ 21,250