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Accrued Expenses | 12 Months Ended
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Dec. 31, 2018
Payables and Accruals [Abstract] |
Accrued Expenses | Accrued Expenses Accrued expenses consisted of the following (in thousands):
| December 31,
| 2018 |  | 2017
Salaries, commissions, and payroll taxes | $ | 11,039 |  |  | $ | 9,944 |
Company bonuses | 9,134 |  |  | 13,721 |
Vacation | 6,507 |  |  | 5,479 |
Foreign retirement obligations | 4,816 |  |  | 4,260 |
Warranty obligations | 4,743 |  |  | 4,701 |
Acquisition deferred and contingent liabilities | 431 |  |  | 6,022 |
Other | 23,550 |  |  | 24,122 |
| $ | 60,220 |  |  | $ | 68,249 |
The changes in the warranty obligation were as follows (in thousands):
Balance as of December 31, 2016 | $ | 4,335 |
Provisions for warranties issued during the period | 2,843 |
Fulfillment of warranty obligations | (3,109 | )
Foreign exchange rate changes | 632 |
Balance as of December 31, 2017 | 4,701 |
Provisions for warranties issued during the period | 4,184 |
Fulfillment of warranty obligations | (4,024 | )
Foreign exchange rate changes | (118 | )
Balance as of December 31, 2018 | $ | 4,743 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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