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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2019
Share-based Payment Arrangement [Abstract] |
Weighted-Average Assumptions Used for Estimating the Fair Value of Option Rights | The fair value of the Company’s option rights was estimated at the date of grant using a Black-Scholes-Merton option-pricing model with the following weighted-average assumptions for all options granted:
| 2019 |  | 2018 |  | 2017
Risk-free interest rate | 1.64 | % |  | 2.99 | % |  | 1.97 | %
Expected life of option rights | 5.05 years |  |  | 5.05 years |  |  | 5.05 years |
Expected dividend yield of stock | .87 | % |  | .89 | % |  | 0.85 | %
Expected volatility of stock | .232 |  |  | .211 |  |  | .213 |
Summary of Non-Qualified and Incentive Stock Option Right Activity | A summary of the Company’s non-qualified and incentive stock option right activity is shown in the following table:
| 2019 |  | 2018 |  | 2017
| Optioned Shares |  | Weighted- Average Exercise Price Per Share |  | Aggregate Intrinsic Value (in millions) |  | Optioned Shares |  | Weighted- Average Exercise Price Per Share |  | Aggregate Intrinsic Value (in millions) |  | Optioned Shares |  | Weighted- Average Exercise Price Per Share |  | Aggregate Intrinsic Value (in millions)
Outstanding at beginning of year | 4,485,249 |  |  | $ | 238.53 |  |  |  |  | 4,646,313 |  |  | $ | 204.33 |  |  |  |  | 5,163,709 |  |  | $ | 163.61 |  |  |
Granted | 498,886 |  |  | 549.32 |  |  |  |  | 565,336 |  |  | 410.00 |  |  |  |  | 689,506 |  |  | 377.84 |  |  |
Exercised | (902,166 | ) |  | 171.37 |  |  |  |  | (662,218 | ) |  | 137.03 |  |  |  |  | (1,154,698 | ) |  | 123.16 |  |  |
Forfeited | (40,312 | ) |  | 380.13 |  |  |  |  | (60,288 | ) |  | 327.08 |  |  |  |  | (49,977 | ) |  | 267.02 |  |  |
Expired | (1,928 | ) |  | 345.68 |  |  |  |  | (3,894 | ) |  | 238.26 |  |  |  |  | (2,227 | ) |  | 236.97 |  |  |
Outstanding at end of year | 4,039,729 |  |  | $ | 290.45 |  |  | $ | 1,184.0 |  |  | 4,485,249 |  |  | $ | 238.53 |  |  | $ | 704.2 |  |  | 4,646,313 |  |  | $ | 204.33 |  |  | $ | 955.8 |
Exercisable at end of year | 2,973,656 |  |  | $ | 226.51 |  |  | $ | 1,061.7 |  |  | 3,274,780 |  |  | $ | 188.48 |  |  | $ | 671.3 |  |  | 3,288,237 |  |  | $ | 156.43 |  |  | $ | 833.9 |
Summary of RSU Activity | A summary of the Company’s RSU activity for the years ended December 31 is shown in the following table:
| 2019 |  | 2018 |  | 2017
Outstanding at beginning of year | 290,402 |  |  | 335,796 |  |  | 397,326 |
Granted | 131,275 |  |  | 116,636 |  |  | 112,647 |
Exchanged Valspar awards (net of forfeitures) |  |  |  |  |  |  | 51,009 |
Vested | (168,730 | ) |  | (150,576 | ) |  | (215,433 | )
Forfeited | (4,775 | ) |  | (11,454 | ) |  | (9,753 | )
Outstanding at end of year | 248,172 |  |  | 290,402 |  |  | 335,796 |

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- Definition Share based compensation arrangement by share based payment award fair value assumption company's non qualified incentive stock option right employees and nonemployee directors. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment grants company's Restricted stock. + References No definition available. + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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