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Balance Sheet Details (Detail) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Prepaid expenses and other current assets |  |
Prepaid expenses | $ 35,667 | $ 32,655
Income tax receivable | 7,194 | 14,890
Other current assets | 12,788 | 12,707
Total | 55,649 | 60,252
Accounts payable, accrued expenses and other |  |
Accounts payable | 14,078 | 15,779
Accrued expenses | 45,676 | 43,137
Accrued interest payable | 2,354 | 2,265
Accrued taxes payable | 12,075 | 9,231
Other current liabilities | 20,690 | 16,908
Total | $ 94,873 | $ 87,320

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