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Stock-based Compensation and Other Stock Plans - (Tables) | 6 Months Ended
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Jun. 29, 2019
Share-based Payment Arrangement [Abstract] |
Summary of Weighted-Average Assumptions of Fair Value Granted Using Black-Scholes Valuation Model | The following weighted-average assumptions were used in calculating the fair value of stock options granted during the six months ended June 29, 2019, and June 30, 2018, using the Black-Scholes valuation model:
| Six Months Ended
| June 29, 2019 |  | June 30, 2018
Expected term of option (in years) | 5.53 |  | 5.35
Expected volatility factor | 21.30% |  | 20.08%
Expected dividend yield | 1.79% |  | 1.68%
Risk-free interest rate | 2.54% |  | 2.71%
Summary of Stock Option Activity | A summary of stock option activity as of and for the six months ended June 29, 2019, is presented below:
| Shares (in thousands) |  | Exercise Price Per Share* |  | Remaining Contractual Term* (in years) |  | Aggregate Intrinsic Value (in millions)
Outstanding at December 29, 2018 | 3,130 |  |  | $ | 127.57 |  |  |  |  |
Granted | 462 |  |  | 155.93 |  |  |  |  |
Exercised | (156 | ) |  | 84.98 |  |  |  |  |
Forfeited or expired | (49 | ) |  | 161.24 |  |  |  |  |
Outstanding at June 29, 2019 | 3,387 |  |  | 132.91 |  |  | 6.4 |  | $ | 112.6 |
Exercisable at June 29, 2019 | 2,440 |  |  | 122.36 |  |  | 5.4 |  | 106.8 |
* | Weighted-average
Summary of Changes in Non-Vested Performance Awards | Changes to the company’s non-vested performance awards during the six months ended June 29, 2019, are as follows:
| Shares (in thousands) |  | Fair Value Price per Share*
Non-vested performance awards at December 29, 2018 | 120 |  |  | $ | 164.00 |
Granted | 84 |  |  | 155.92 |
Vested | — |  |  | — |
Cancellations and other | (17 | ) |  | 160.39 |
Non-vested performance awards at June 29, 2019 | 187 |  |  | 160.69 |
* | Weighted-average
Summary of Weighted-Average Assumptions of Fair Value Granted Using Black-Scholes Valuation Model | The following weighted-average assumptions were used in calculating the fair value of cash-settled SARs granted during the six months ended June 29, 2019, and June 30, 2018, using the Black-Scholes valuation model:
| Six Months Ended
| June 29, 2019 |  | June 30, 2018
Expected term of cash-settled SARs (in years) | 3.34 |  | 3.26
Expected volatility factor | 22.52% |  | 20.54%
Expected dividend yield | 1.87% |  | 1.67%
Risk-free interest rate | 1.71% |  | 2.63%
The following weighted-average assumptions were used in calculating the fair value of stock-settled SARs granted during the six months ended June 29, 2019, and June 30, 2018, using the Black-Scholes valuation model:
| Six Months Ended
| June 29, 2019 |  | June 30, 2018
Expected term of stock-settled SARs (in years) | 3.65 |  | 3.58
Expected volatility factor | 22.60% |  | 20.08%
Expected dividend yield | 1.81% |  | 1.63%
Risk-free interest rate | 2.48% |  | 2.40%
Summary of Changes in SARs | Changes to the company’s non-vested cash-settled SARs during the six months ended June 29, 2019, are as follows:
| Cash-settled SARs (in thousands) |  | Fair Value Price per Share*
Non-vested cash-settled SARs at December 29, 2018 | 3 |  |  | $ | 14.89 |
Granted | 1 |  |  | 29.08 |
Vested | (2 | ) |  | 28.64 |
Non-vested cash-settled SARs at June 29, 2019 | 2 |  |  | 25.72 |
* | Weighted-average
Changes to the company’s stock-settled SARs during the six months ended June 29, 2019, are as follows:
| Stock-settled SARs (in thousands) |  | Exercise Price Per Share* |  | Remaining Contractual Term* (in years) |  | Aggregate Intrinsic Value (in millions)
Outstanding at December 29, 2018 | 372 |  |  | $ | 147.41 |  |  |  |  |
Granted | 92 |  |  | 155.95 |  |  |  |  |
Exercised | — |  |  | — |  |  |  |  |
Forfeited or expired | (5 | ) |  | 152.08 |  |  |  |  |
Outstanding at June 29, 2019 | 459 |  |  | 149.13 |  |  | 7.4 |  | $ | 7.9 |
Exercisable at June 29, 2019 | 278 |  |  | 142.23 |  |  | 6.4 |  | 6.7 |
* | Weighted-average

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- Definition Share-based compensation arrangement by share-based payment award, fair value assumptions. + References No definition available. + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested performance-based units. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock appreciation rights awards that were outstanding at the beginning and end of the year, and the number of stock appreciation rights awards that were granted, exercised or converted, forfeited, and expired during the year. + 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + 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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