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Stock Compensation Plans | 3 Months Ended
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Mar. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock Compensation Plans | STOCK COMPENSATION PLANS The Company has various plans under which its officers, senior management, other key employees and directors may be granted equity-based awards. Equity awards outstanding under the plans include PRSUs, restricted stock units (RSUs), SSARs and Long-Term Incentive Plan awards. Liability-based awards outstanding under the plans are cash-settled RSUs. Stock-based compensation expense and related tax benefits were as follows:
| Three Months Ended March 31,
(DOLLARS IN THOUSANDS) | 2019 |  | 2018
Equity-based awards | $ | 7,604 |  |  | $ | 7,620 |
Liability-based awards | 730 |  |  | 155 |
Total stock-based compensation expense | 8,334 |  |  | 7,775 |
Less: Tax benefit | (1,382 | ) |  | (1,563 | )
Total stock-based compensation expense, after tax | $ | 6,952 |  |  | $ | 6,212 |

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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