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Accrued Liabilities (Tables) | 6 Months Ended
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Jun. 30, 2018
Accrued Liabilities, Current [Abstract] |
Schedule Of Accrued Liabilities | Accrued liabilities consisted of the following (in thousands):
﻿ | June 30, 2018 |  | December 31, 2017
﻿ |  |  |  |  |
Accrued expenses | $ | 61,302 |  |  | $ | 64,430 |
Accrued employee compensation and related expenses | 79,394 |  |  | 102,944 |
Accrued taxes | 25,109 |  |  | 29,389 |
Accrued customer incentives and refund obligations (Notes 2 and 3) | 62,575 |  |  | 56,655 |
Total accrued liabilities | $ | 228,380 |  |  | $ | 253,418 |
Schedule Of Other Long-term Liabilities | Other long-term liabilities consisted of the following (in thousands): ໿ ໿
﻿ | June 30, 2018 |  | December 31, 2017
Accrued taxes | $ | 67,886 |  |  | $ | 66,506 |
Accrued customer incentives (Note 2) | — |  |  | 12,956 |
Other accrued long-term expenses | 15,381 |  |  | 16,256 |
Total other long-term liabilities | $ | 83,267 |  |  | $ | 95,718 |

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