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Accrued Expenses | 12 Months Ended
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Dec. 31, 2017
Accrued Expenses [Abstract] |
Accrued Expenses | 8. Accrued Expenses Accrued expenses consist of the following (U.S. dollars in thousands):
|  | December 31, |
|  | 2016 |  |  | 2017 |
Accrued sales force commissions and other payments |  | $ | 126,153 |  |  | $ | 151,549 |
Accrued income taxes |  | ─ |  |  |  | 13,075 |
Accrued other taxes |  |  | 31,748 |  |  |  | 44,580 |
Accrued payroll and other employee expenses |  |  | 25,412 |  |  |  | 38,167 |
Accrued payable to vendors |  |  | 28,456 |  |  |  | 29,874 |
Accrued royalties |  |  | 4,767 |  |  |  | 2,623 |
Sales return reserve |  |  | 6,125 |  |  |  | 4,523 |
Deferred revenue |  |  | 13,494 |  |  |  | 12,669 |
Other |  |  | 38,868 |  |  |  | 22,129 |
|  | $ | 275,023 |  |  | $ | 319,189 |

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- References No definition available. + Details
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