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Share-Based Employee Compensation (Tables) | 6 Months Ended
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Jun. 30, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | The table below summarizes the amounts recognized in the financial statements for the three and six months ended June 30, 2019 and 2018 for share-based compensation, including expense for restricted stock units and performance share units (in thousands).
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Cost of sales | $ | 247 |  |  | $ | 256 |  |  | $ | 502 |  |  | $ | 470 |
Operating expenses | 3,283 |  |  | 3,208 |  |  | 6,463 |  |  | 5,994 |
Total cost of share-based compensation included in income, before income tax | $ | 3,530 |  |  | $ | 3,464 |  |  | $ | 6,965 |  |  | $ | 6,464 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
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