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Share-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of share-based compensation expenses | Total share-based compensation expenses were as follows (in thousands):
| Three months ended March 31,
| 2016 |  | 2015
Option plan | $ | 5,404 |  |  | $ | 6,585 |
Other share-based awards | 9,457 |  |  | 6,757 |
Total share-based compensation before tax | 14,861 |  |  | 13,342 |
Tax benefit | 5,543 |  |  | 4,977 |
Total share-based compensation expense included in net income | $ | 9,318 |  |  | $ | 8,365 |

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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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