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Condensed Consolidated Financial Statements - Components of Other Current Assets and Other Current Liabilities (Detail) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Other Current Assets and Liabilities [Line Items] |  |
Other | $ 8,222 | $ 5,781
Total other current assets | 29,010 | 58,126
Settlement payables | 20,245 | 48,953
Accrued interest | 2,554 | 7,291
Vendor financed licenses | 3,068 | 1,862
Royalties payable | 9,883 | 9,264
Other | 28,562 | 35,534
Total other current liabilities | 64,312 | 102,904
Settlement deposits [Member] |  |
Other Current Assets and Liabilities [Line Items] |  |
Other assets settlement | 8,905 | 22,282
Settlement receivables [Member] |  |
Other Current Assets and Liabilities [Line Items] |  |
Other assets settlement | $ 11,883 | $ 30,063

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