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Stock-Based Compensation | 12 Months Ended
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Dec. 31, 2020
Share-based Payment Arrangement [Abstract] |
Stock-Based Compensation | STOCK-BASED COMPENSATION The Company’s stock compensation plan, approved by the Company’s stockholders and administered by the Compensation and Benefits Committee of the Board of Directors of the Company (the “CBC”), provides for the grant of incentive stock options, restricted stock and other stock-based awards or units to key employees and directors. The plan authorizes the grant of up to 7.8 million shares or units through April 2025. At December 31, 2020, approximately 3.0 million shares were available for future issuance under the plan. The total compensation expense related to all grants awarded under the plan was $8.4 million, $8.8 million and $7.6 million, for the years ended December 31, 2020, 2019 and 2018, respectively. The related income tax benefits recognized in earnings were $1.7 million, $2.0 million and $1.8 million for the years ended December 31, 2020, 2019 and 2018, respectively. Stock Options Stock options vest ratably (i.e. one-third annually) over the three years from the date of the grant. The cost of stock options, based on their fair value at the date of grant, is charged to expense over the respective vesting periods. Stock options normally become exercisable at a rate of one-third annually and in full on the third anniversary date. Under the plan, all options and rights must be exercised within ten years from date of grant. At the Company’s discretion, vested stock option holders are permitted to elect an alternative settlement method in lieu of purchasing common stock at the option price. The alternative settlement method permits the employee to receive, without payment to the Company, cash, shares of common stock or a combination thereof equal to the excess of market value of common stock over the option purchase price. The Company has historically settled all such options in common stock and intends to continue to do so. Stock options do not have voting or dividend rights until such time that the options are exercised and shares have been issued. The weighted average fair value of options granted during 2020, 2019 and 2018 was $7.86, $8.48 and $7.17, respectively. The fair value of each option grant was estimated using the Black-Scholes option pricing model with the following weighted average assumptions:
| 2020 |  | 2019 |  | 2018
Dividend yield | 1.2 | % |  | 1.2 | % |  | 1.4 | %
Expected volatility | 33 | % |  | 32 | % |  | 32 | %
Risk free interest rate | 0.5 | % |  | 2.4 | % |  | 2.9 | %
Weighted average expected option life in years | 6.2 |  | 6.3 |  | 5.9
Dividend yields are based on historical dividend payments. Expected volatility is based on historical volatility of the Company’s common stock. The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of the grant for periods corresponding with the expected life of the options. The expected life of options represents the weighted average period of time that options granted are expected to be outstanding giving consideration to vesting schedules and the Company’s historical exercise patterns. The following summarizes stock option activity:
| Option Shares |  | Weighted Average Exercise Price
(in millions, except per share data) | 2020 |  | 2019 |  | 2018 |  | 2020 |  | 2019 |  | 2018
Outstanding, at beginning of year | 2.3 |  |  | 2.4 |  |  | 2.3 |  |  | $ | 13.87 |  |  | $ | 12.51 |  |  | $ | 11.08 |
Granted | 0.3 |  |  | 0.2 |  |  | 0.3 |  |  | 27.82 |  |  | 27.29 |  |  | 23.14 |
Exercised | (0.6) |  |  | (0.3) |  |  | (0.2) |  |  | 7.85 |  |  | 13.12 |  |  | 9.49 |
Canceled or expired | — |  |  | — |  |  | — |  |  | 26.44 |  |  | 21.99 |  |  | 18.03 |
Outstanding, at end of year | 2.0 |  |  | 2.3 |  |  | 2.4 |  |  | $ | 17.52 |  |  | $ | 13.87 |  |  | $ | 12.51 |
Exercisable, at end of year | 1.5 |  |  | 1.9 |  |  | 1.8 |  |  | $ | 14.37 |  |  | $ | 11.28 |  |  | $ | 10.59 |
At December 31, 2020, options that have vested and are expected to vest totaled 1.9 million shares, with a weighted average exercise price of $17.27, and represent the sum of 1.5 million vested (or exercisable) options and 0.4 million options that are expected to vest. Options that are expected to vest are derived by applying the pre-vesting forfeiture rate assumption against outstanding, unvested options as of December 31, 2020. The following table summarizes information for stock options outstanding as of December 31, 2020 under all plans:
| Options Outstanding |  | Options Exercisable
Range of Exercise Prices | Shares |  | Weighted Average Remaining Life |  | Weighted Average Exercise Price |  | Shares |  | Weighted Average Exercise Price
| (in millions) |  | (in years) |  |  |  | (in millions) |  |
$5.01 — 10.00 | 0.3 |  |  | 2.0 |  | $ | 7.54 |  |  | 0.3 |  |  | $ | 7.54 |
10.01 — 15.00 | 0.6 |  |  | 4.8 |  | 13.15 |  |  | 0.6 |  |  | 13.15 |
15.01 — 20.00 | 0.4 |  |  | 5.2 |  | 16.50 |  |  | 0.4 |  |  | 16.50 |
20.01 — 25.00 | 0.2 |  |  | 7.4 |  | 23.14 |  |  | 0.1 |  |  | 23.14 |
25.01 — 30.00 | 0.5 |  |  | 8.9 |  | 27.59 |  |  | 0.1 |  |  | 27.29 |
| 2.0 |  |  | 5.7 |  | $ | 17.52 |  |  | 1.5 |  |  | $ | 14.37 |
The aggregate intrinsic value of stock options outstanding and exercisable at December 31, 2020 was $31.2 million and $28.0 million, respectively. The total intrinsic value of stock options exercised was $13.9 million, $4.3 million and $3.0 million for the years ended December 31, 2020, 2019 and 2018, respectively. The related tax benefits were $3.3 million, $1.0 million and $0.8 million for the years ended December 31, 2020, 2019 and 2018, respectively. Cash received from the exercise of stock options was $0.6 million, $1.7 million and $1.3 million for the years ended December 31, 2020, 2019 and 2018, respectively. The total compensation expense related to all stock option compensation plans was $1.8 million, $1.9 million and $2.1 million for the years ended December 31, 2020, 2019 and 2018, respectively. As of December 31, 2020, there was $2.5 million of total unrecognized compensation cost related to stock options that is expected to be recognized over the weighted-average period of approximately 1.9 years. Restricted Stock Restricted stock awards and restricted stock units primarily cliff vest at the third anniversary from the date of grant, provided the recipient is still employed by the Company on the vesting date. The cost of restricted stock, based on the fair market value of the underlying shares determined using the closing market price on the date of grant, is charged to expense over the respective vesting periods. Shares associated with non-vested restricted stock awards have the same voting rights as the Company’s common stock and have non-forfeitable rights to dividends. Shares associated with non-vested restricted stock units do not have voting or dividend rights. The following table summarizes restricted stock activity for the year ended December 31, 2020:
| Number of Restricted Shares |  | Weighted Average Price per Share
| (in millions) |  |
Outstanding and non-vested, at December 31, 2019 | 0.2 |  |  | $ | 22.53 |
Granted | 0.1 |  |  | 27.85 |
Vested | (0.1) |  |  | 18.40 |
Forfeited | — |  |  | 25.96 |
Outstanding and non-vested, at December 31, 2020 | 0.2 |  |  | $ | 26.18 |
The total grant-date fair value of restricted stock that vested in the years ended December 31, 2020, 2019 and 2018 was $1.7 million, $1.1 million and $1.0 million, respectively. The total compensation expense related to all restricted stock compensation plans was $2.5 million, $2.2 million and $1.8 million for the years ended December 31, 2020, 2019 and 2018, respectively. As of December 31, 2020, there was $2.4 million of total unrecognized compensation cost related to restricted stock that is expected to be recognized over the weighted-average period of approximately 1.9 years. Performance Awards In each of the three years in the period ended December 31, 2020, the Company granted performance-based restricted stock unit awards (“PSUs”) to certain executives and other non-executive officers. Performance targets associated with PSUs are set annually and approved by the CBC. At the Company’s discretion, actual payment of the awards earned shall be in cash or in common stock of the Company, or in a combination of both. The Company intends to settle all such awards by issuing shares of its common stock. The number of shares of common stock that the Company may issue in connection with these PSUs can range from 0% to 200% of target, depending upon achievement against the performance targets. Shares associated with non-vested PSUs do not have voting or dividend rights until issuance. The Company assesses the probability of vesting, based on expected achievement against these performance targets, on a quarterly basis. The cost of PSUs, based on their fair market value determined using the closing market price on the date of grant, is charged to expense over the respective vesting periods, which is the three-year period ended December 31, 2020 for the 2018 grants, the three-year period ended December 31, 2021 for the 2019 grants and the three-year period ended December 31, 2022 for the 2020 grants. The PSUs granted in 2020 have a three-year performance period ending December 31, 2022, in which the Company must achieve a certain cumulative EPS from continuing operations and a certain average return on invested capital (“ROIC”), which are performance conditions per ASC 718. If earned, these shares would vest on December 31, 2022. The PSUs granted in 2019 have a three-year performance period ending December 31, 2021, in which the Company must achieve a certain cumulative EPS from continuing operations and a certain average ROIC, which are performance conditions per ASC 718. If earned, these shares would vest on December 31, 2021. The PSUs granted in 2018 had a three-year performance period ending December 31, 2020, in which a certain cumulative EPS from continuing operations and a certain average ROIC was targeted. The PSUs granted in 2018 became fully vested on December 31, 2020. Based on the achievement against targets over the three-year performance period, 156% of the target shares were earned. The underlying shares will be issued to participants in the first quarter of 2021. The total grant-date fair value of PSUs that vested in the years ended December 31, 2020, 2019 and 2018 was $5.4 million, $3.8 million and $1.7 million, respectively. Compensation expense included in the Consolidated Statements of Operations for the PSUs in the years ended December 31, 2020, 2019 and 2018 was $4.1 million, $4.7 million and $3.7 million, respectively. As of December 31, 2020, there was $3.2 million of total unrecognized compensation cost related to PSUs that is expected to be recognized over the weighted-average period of approximately 1.7 years. The following table summarizes PSU activity for the year ended December 31, 2020:
| Number of PSUs |  | Weighted Average Price per Share
| (in millions) |  |
Outstanding and non-vested, at December 31, 2019 | 0.3 |  |  | $ | 24.37 |
Granted (a) | 0.2 |  |  | 25.83 |
Vested | (0.3) |  |  | 22.45 |
Forfeited | — |  |  | 26.09 |
Outstanding and non-vested, at December 31, 2020 | 0.2 |  |  | $ | 27.60 |
(a) Includes 0.1 million PSUs, representing the effect of the PSUs granted in 2018 being earned at 156% of target. The PSUs granted in 2018 vested on December 31, 2020.

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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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