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Equity Compensation and Employee Benefit Plans | 12 Months Ended
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Dec. 31, 2017
Compensation and Retirement Disclosure [Abstract] |
Equity Compensation and Employee Benefit Plans | EQUITY COMPENSATION AND EMPLOYEE BENEFIT PLANS Equity Plan The Werner Enterprises, Inc. Amended and Restated Equity Plan (the “Equity Plan”), approved by the Company’s shareholders, provides for grants to employees and non-employee directors of the Company in the form of nonqualified stock options, restricted stock and units (“restricted awards”), performance awards and stock appreciation rights. The Board of Directors or the Compensation Committee of our Board of Directors determines the terms of each award, including the type, recipients, number of shares subject to and vesting conditions of each award. No awards of stock appreciation rights have been issued under the Equity Plan to date. The maximum number of shares of common stock that may be awarded under the Equity Plan is 20,000,000 shares. The maximum aggregate number of shares that may be awarded to any one person in any one calendar year under the Equity Plan is 500,000. As of December 31, 2017, there were 7,349,879 shares available for granting additional awards. Equity compensation expense is included in salaries, wages and benefits within the Consolidated Statements of Income. As of December 31, 2017, the total unrecognized compensation cost related to non-vested equity compensation awards was approximately $6.6 million and is expected to be recognized over a weighted average period of 2.1 years. The following table summarizes the equity compensation expense and related income tax benefit recognized in the Consolidated Statements of Income (in thousands):
|  | Years Ended December 31,
|  | 2017 |  | 2016 |  | 2015
Stock options: |  |  |  |  |  |
Pre-tax compensation expense |  | $ | 6 |  |  | $ | (25 | ) |  | $ | 30 |
Tax benefit |  | 2 |  |  | (9 | ) |  | 11 |
Stock option expense, net of tax |  | $ | 4 |  |  | $ | (16 | ) |  | $ | 19 |
Restricted awards: |  |  |  |  |  |
Pre-tax compensation expense |  | $ | 3,244 |  |  | $ | 2,337 |  |  | $ | 1,875 |
Tax benefit |  | 1,265 |  |  | 886 |  |  | 722 |
Restricted stock expense, net of tax |  | $ | 1,979 |  |  | $ | 1,451 |  |  | $ | 1,153 |
Performance awards: |  |  |  |  |  |
Pre-tax compensation expense |  | $ | 1,459 |  |  | $ | 167 |  |  | $ | 2,514 |
Tax benefit |  | 569 |  |  | 63 |  |  | 968 |
Performance award expense, net of tax |  | $ | 890 |  |  | $ | 104 |  |  | $ | 1,546 |
We do not have a formal policy for issuing shares upon an exercise of stock options or vesting of restricted and performance awards. Such shares are generally issued from treasury stock. From time to time, we repurchase shares of our common stock, the timing and amount of which depends on market and other factors. Historically, the shares acquired from such repurchases have provided us with sufficient quantities of stock to issue for equity compensation. Based on current treasury stock levels, we do not expect to repurchase additional shares specifically for equity compensation during 2018. Stock Options Stock options are granted at prices equal to the market value of the common stock on the date the option award is granted. Option awards currently outstanding became exercisable in installments from 24 to 72 months after the date of grant. The options are exercisable over a period not to exceed ten years and one day from the date of grant. The following table summarizes stock option activity for the year ended December 31, 2017:
| Number of Options (in thousands) |  | Weighted Average Exercise Price ($) |  | Weighted Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value (in thousands)
Outstanding at beginning of period | 171 |  |  | $ | 18.19 |  |  |  |  |
Granted | — |  |  | — |  |  |  |  |
Exercised | (138 | ) |  | 17.83 |  |  |  |  |
Forfeited | — |  |  | — |  |  |  |  |
Expired | — |  |  | — |  |  |  |  |
Outstanding at end of period | 33 |  |  | 19.69 |  |  | 2.33 |  | $ | 623 |
Exercisable at end of period | 33 |  |  | 19.69 |  |  | 2.33 |  | $ | 623 |
We did not grant any stock options during the years ended December 31, 2017, 2016 and 2015. The fair value of stock option grants is estimated using a Black-Scholes valuation model. The total intrinsic value of stock options exercised was as follows (in thousands):
2017 | $ | 1,722 |
2016 | 119 |
2015 | 655 |
Restricted Awards Restricted stock entitles the holder to shares of common stock when the award vests. Restricted stock units entitle the holder to a combination of cash or stock equal to the value of common stock when the unit vests. The value of these shares may fluctuate according to market conditions and other factors. Restricted awards currently outstanding vest over periods ranging from 12 to 60 months from the grant date of the award. The restricted awards do not confer any voting or dividend rights to recipients until such shares vest and do not have any post-vesting sales restrictions. The following table summarizes restricted award activity for the year ended December 31, 2017:
| Number of Restricted Awards (in thousands) |  | Weighted Average Grant Date Fair Value ($)
Nonvested at beginning of period | 293 |  |  | $ | 25.98 |
Granted | 110 |  |  | 28.92 |
Vested | (119 | ) |  | 24.70 |
Forfeited | (11 | ) |  | 26.89 |
Nonvested at end of period | 273 |  |  | 27.69 |
We estimate the fair value of restricted awards based upon the market price of the underlying common stock on the date of grant, reduced by the present value of estimated future dividends because the awards are not entitled to receive dividends prior to vesting. Our estimate of future dividends is based on the most recent quarterly dividend rate at the time of grant, adjusted for any known future changes in the dividend rate. Cash settled restricted stock units are recorded as a liability within the Consolidated Balance Sheets and are adjusted to fair value each reporting period. The total fair value of previously granted restricted awards vested during the years ended December 31, 2017, 2016, and 2015 was $4.4 million, $4.3 million, and $4.5 million, respectively. We withheld shares based on the closing stock price on the vesting date to settle the employees’ minimum statutory obligation for the applicable income and other employment taxes. Total cash remitted for the employees’ tax obligations to the relevant taxing authorities is reflected as a financing activity within the Consolidated Statements of Cash Flows, and the shares withheld to satisfy the minimum tax withholding obligations were recorded as treasury stock. Performance Awards Performance awards entitle the recipient to shares of common stock upon attainment of performance objectives as pre-established by the Compensation Committee. If the performance objectives are achieved, performance awards currently outstanding vest, subject to continued employment, over periods ranging from 12 to 60 months from the grant date of the award. The performance awards do not confer any voting or dividend rights to recipients until such shares vest and do not have any post-vesting sales restrictions. The following table summarizes performance award activity for the year ended December 31, 2017:
| Number of Performance Awards (in thousands) |  | Weighted Average Grant Date Fair Value ($)
Nonvested at beginning of period | 124 |  |  | $ | 27.33 |
Granted | 69 |  |  | 26.89 |
Vested | (35 | ) |  | 27.07 |
Forfeited | — |  |  | — |
Nonvested at end of period | 158 |  |  | 27.20 |
The 2017 performance awards are earned based upon the level of attainment by the Company of specified performance objectives related to cumulative diluted earnings per share for the two-year period from January 1, 2017 to December 31, 2018. Shares earned based on cumulative diluted earnings per share may be capped based on absolute total shareholder return during the three-year period ended December 31, 2019. The 2017 performance awards will vest in one installment on the third anniversary from the grant date. In February 2017, the Compensation Committee determined the 2016 fiscal year results upon which the 2016 performance awards were based fell below the threshold level; thus, no shares of common stock were earned, and the shares not earned are included in the 2016 forfeited shares. We estimate the fair value of performance awards based upon the market price of the underlying common stock on the date of grant, reduced by the present value of estimated future dividends because the awards are not entitled to receive dividends prior to vesting. Our estimate of future dividends is based on the most recent quarterly dividend rate at the time of grant, adjusted for any known future changes in the dividend rate. The vesting date fair value of the performance awards vested during the years ended December 31, 2017, 2016 and 2015 was $1.0 million, $1.6 million and $1.1 million, respectively. We withheld shares based on the closing stock price on the vesting date to settle the employees’ minimum statutory obligation for the applicable income and other employment taxes. Total cash remitted for employees’ tax obligations to the relevant taxing authorities is reflected as a financing activity within the Consolidated Statements of Cash Flows, and the shares withheld to satisfy the minimum tax withholding obligations are recorded as treasury stock. Employee Stock Purchase Plan Employee associates that meet certain eligibility requirements may participate in our Employee Stock Purchase Plan (the “Purchase Plan”). Eligible participants designate the amount of regular payroll deductions and/or a single annual payment (each subject to a yearly maximum amount) that is used to purchase shares of our common stock on the over-the-counter market. The maximum annual contribution amount is currently $20,000. These purchases are subject to the terms of the Purchase Plan. We contribute an amount equal to 15% of each participant’s contributions under the Purchase Plan. Interest accrues on Purchase Plan contributions at a rate of 5.25% until the purchase is made. We pay the broker’s commissions and administrative charges related to purchases of common stock under the Purchase Plan. Our contributions for the Purchase Plan were as follows (in thousands):
2017 | $ | 208 |
2016 | 183 |
2015 | 182 |
401(k) Retirement Savings Plan We have an Employees’ 401(k) Retirement Savings Plan (the “401(k) Plan”). Associates are eligible to participate in the 401(k) Plan if they have been continuously employed with us or one of our subsidiaries for six months or more. We match a portion of each associate’s 401(k) Plan elective deferrals. Salaries, wages and benefits expense in the accompanying Consolidated Statements of Income includes our 401(k) Plan contributions and administrative expenses, which were as follows (in thousands):
2017 | $ | 2,357 |
2016 | 2,113 |
2015 | 2,041 |
Nonqualified Deferred Compensation Plan The Executive Nonqualified Excess Plan (the “Excess Plan”) is our nonqualified deferred compensation plan for the benefit of eligible key managerial associates whose 401(k) Plan contributions are limited because of IRS regulations affecting highly compensated associates. Under the terms of the Excess Plan, participants may elect to defer compensation on a pre-tax basis within annual dollar limits we establish. At December 31, 2017, there were 41 participants in the Excess Plan. Although our current intention is not to do so, we may also make matching credits and/or profit sharing credits to participants’ accounts as we so determine each year. Each participant is fully vested in all deferred compensation and earnings; however, these amounts are subject to general creditor claims until distributed to the participant. Under current federal tax law, we are not allowed a current income tax deduction for the compensation deferred by participants, but we are allowed a tax deduction when a distribution payment is made to a participant from the Excess Plan. The accumulated benefit obligation is included in other long-term liabilities in the Consolidated Balance Sheets. We purchased life insurance policies to fund the future liability. The aggregate market value of the life insurance policies is included in other non-current assets in the Consolidated Balance Sheets. The accumulated benefit obligation and aggregate market value of the life insurance policies were as follows (in thousands):
| December 31,
| 2017 |  | 2016
Accumulated benefit obligation | $ | 7,682 |  |  | $ | 6,920 |
Aggregate market value | 7,059 |  |  | 5,821 |

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- Definition The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans. + References No definition available. + Details
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