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Stock Plans | 12 Months Ended
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Dec. 31, 2018
Stock Plans |
Stock Plans | 7. Stock Plans The Company’s 2016 Omnibus Incentive Plan (the “Plan”) permits the grant of stock options, stock appreciation rights, restricted stock, restricted stock units, performance awards and other share-based awards to its directors, employees and consultants. At December 31, 2018, approximately 1.5 million shares of common stock remained available for issuance pursuant to future grants of awards under the Plan. The Company does not currently grant stock options under the Plan. There are approximately 16,000 options outstanding and exercisable at December 31, 2018, with an aggregate intrinsic value of $0.7 million. The total intrinsic value of options exercised during 2018, 2017, and 2016 was $0.1 million, $0.1 million, and $3.9 million, respectively. Restricted stock units granted to employees vest one to four years from the date of grant, and restricted stock units granted to non-employee directors vest after one year from the date of grant, unless the recipient chooses to defer the vesting for a period of time. Depending on the type of award, the fair value of restricted stock units is determined either based on the market price of the Company’s stock at the date of grant or based on a Monte-Carlo valuation. Forfeitures are estimated based on historical experience. The Company generally records compensation expense equal to the fair value of each restricted stock unit granted over the vesting period. The weighted-average grant-date fair value of restricted stock units granted during 2018, 2017, and 2016 was $71.74, $66.54, and $47.71, respectively. A summary of the status of the Company’s restricted stock units as of December 31, 2018 and changes during the year ended December 31, 2018, is presented below:
|  |  |  | Weighted
|  |  |  | Average
|  |  |  | Grant-Date
Restricted Stock Units |  | Shares |  | Fair Value
Nonvested shares at January 1, 2018 |  | 413,764 |  | $ | 54.57
Granted |  | 160,025 |  |  | 71.74
Vested |  | (189,865) |  |  | 54.35
Canceled |  | (20,802) |  |  | 58.44
Nonvested shares at December 31, 2018 |  | 363,122 |  |  | 60.24
The fair value of all restricted stock units that vested during 2018, 2017 and 2016 was $11.7 million, $10.2 million and $8.9 million, respectively. At December 31, 2018, there was $11.6 million of total unrecognized compensation cost related to restricted stock units granted under the Company’s equity incentive plans. That cost is expected to be recognized over a weighted-average period of 2.3 years. The compensation cost that has been charged against pre-tax income for all of the Company’s stock-based compensation plans was $7.7 million, $6.6 million, and $6.1 million for 2018, 2017, and 2016, respectively. The total income tax benefit recognized in the accompanying consolidated statements of operations for all of the Company’s stock-based employee compensation plans was $1.7 million, $1.5 million, and $2.0 million for 2018, 2017, and 2016, respectively. Cash received from option exercises under all stock-based employee compensation arrangements for 2018, 2017, and 2016 was $0, $0.1 million, and $1.7 million, respectively. The actual tax benefit realized from exercise, vesting or cancellation of the stock-based employee compensation arrangements during 2018, 2017, and 2016 totaled $1.0 million, $1.0 million, and $1.7 million, respectively, and is reflected as an adjustment to deferred tax liabilities in the accompanying consolidated balance sheets.

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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