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Share-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of share-based compensation expenses | Total share-based compensation expenses were comprised as follows (in thousands):
| Three months ended June 30, |  | Six months ended June 30,
| 2017 |  | 2016 |  | 2017 |  | 2016
Option plan | $ | 5,649 |  |  | $ | 6,158 |  |  | $ | 7,071 |  |  | $ | 11,562 |
Other share-based awards | 13,018 |  |  | 9,362 |  |  | 22,110 |  |  | 18,819 |
Total share-based compensation before tax | 18,667 |  |  | 15,520 |  |  | 29,181 |  |  | 30,381 |
Tax benefit | 6,933 |  |  | 5,789 |  |  | 10,838 |  |  | 11,332 |
Total share-based compensation expense included in net income | $ | 11,734 |  |  | $ | 9,731 |  |  | $ | 18,343 |  |  | $ | 19,049 |

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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 plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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