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Share-Based Payments (Tables) | 6 Months Ended
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Jun. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Stock Option and Restricted Stock Unit Compensation Expense | Compensation expense, included within other selling and administrative expenses in the consolidated statements of operations, related to stock options and RSUs is as follows:
| For the Three Months Ended |  | For the Six Months Ended
| June 30, 2018 |  | June 30, 2017 |  | June 30, 2018 |  | June 30, 2017
| (In thousands)
Stock option compensation expense | $ | 690 |  |  | $ | 2,743 |  |  | $ | 3,374 |  |  | $ | 5,816 |
RSU compensation expense | 7,304 |  |  | 15,139 |  |  | 19,043 |  |  | 24,737 |
| $ | 7,994 |  |  | $ | 17,882 |  |  | $ | 22,417 |  |  | $ | 30,553 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation award type. + References No definition available. + Details
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- References No definition available. + Details
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