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Stock-Based Plans | 9 Months Ended
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Sep. 30, 2019
Share-based Payment Arrangement [Abstract] |
Stock-Based Plans | Stock-Based Plans The company’s executive and director stock-based compensation plans are described, and informational disclosures are provided, in the Notes to Consolidated Financial Statements included in the 2018 10-K. In the first nine months of 2019 and 2018, restricted stock units totaling 1,065,139 and 603,111, respectively, were granted to executives and directors, at weighted-average grant date fair values of $36.45 per share and $57.88 per share, respectively. Restricted stock units granted to executives in 2019 and 2018 generally vest ratably over three years. Restricted stock units granted to directors in 2019 and 2018 vested immediately and are subject to a post-vest holding period of three years. The fair value of restricted stock units represents the closing price of the company’s common stock on the date of grant discounted for the post-vest holding period, when applicable. During the first nine months of 2019 and 2018, stock options for the purchase of 392,841 shares at a weighted-average exercise price of $29.03 per share and 33,615 shares at a weighted-average exercise price of $58.15 per share, respectively, were awarded to executives. The exercise price of options represents the closing price of the company’s common stock on the date of grant. The options granted in 2019 and 2018 generally vest ratably over three years and expire ten years after the grant date. In the first nine months of 2019 and 2018, performance-based Value Driver Incentive (“VDI”) units totaling 350,532 and 206,598, respectively, were awarded to executives. These awards vest after a period of approximately three years and contain annual performance conditions for each of the three years of the vesting period. The performance targets for each year are generally established in the first quarter of that year. Under ASC 718, performance-based awards are not deemed granted for accounting purposes until the performance targets have been established. Accordingly, only one-third of the units awarded in any given year are deemed to be granted each year of the three year vesting period. During the first nine months of 2019, units totaling 116,844, 68,866 and 83,068 under the 2019, 2018 and 2017 VDI plans, respectively, were granted at weighted-average grant date fair values of $39.72 per share, $42.24 per share and $35.18 per share, respectively. For awards granted under the 2019, 2018 and 2017 VDI plans, the number of units are adjusted at the end of each performance period based on achievement of certain performance targets and market conditions, as defined in the VDI award agreements. VDI units granted under the 2017 VDI plan are subject to a post-vest holding period of three years. The grant date fair value is determined by adjusting the closing price of the company’s common stock on the date of grant for the effect of the market condition and for the post-vest holding period discount, when applicable. Units granted under the 2019, 2018 and 2017 VDI plans can only be settled in company stock and are accounted for as equity awards in accordance with ASC 718.

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- Definition The entire disclosure for share-based payment arrangement. + 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 + Details
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