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Share-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Income Tax Benefit Recognized for our Share-Based Compensation Arrangements | Compensation cost charged against income, primarily selling, general and administrative expense, and the income tax benefit recognized for our share-based compensation arrangements is included below:
| Years Ended December 31,
| 2019 |  | 2018 |  | 2017
|  |  | (In thousands) |  |
Total share-based compensation cost | $ | 16,802 |  |  | $ | 17,143 |  |  | $ | 13,144 |
Income tax benefit | 3,999 |  |  | 4,080 |  |  | 4,995 |
Fair Values for SARs and Stock Options Estimated on Grant Date Using Black-Scholes-Merton Option-Pricing Formula Which Incorporates Assumptions |
| Years Ended December 31,
| 2019 |  | 2018 |  | 2017
| (In thousands, except weighted average fair value and assumptions)
Weighted-average fair value of SARs and options granted | $ | 22.31 |  |  | $ | 25.19 |  |  | $ | 27.31 |
Total intrinsic value of SARs converted and options exercised | 354 |  |  | 2,263 |  |  | 7,156 |
Tax benefit related to share-based compensation | 101 |  |  | 113 |  |  | 967 |
Weighted-average fair value of restricted stock shares and units granted | 64.61 |  |  | 72.54 |  |  | 79.96 |
Total fair value of restricted stock shares and units vested | 10,325 |  |  | 5,740 |  |  | 10,355 |
Expected volatility | 35.05 | % |  | 33.16 | % |  | 36.89 | %
Expected term (in years) | 5.7 |  |  | 5.6 |  |  | 5.6 |
Risk-free rate | 2.56 | % |  | 2.70 | % |  | 2.01 | %
Dividend yield | 0.32 | % |  | 0.27 | % |  | 0.27 | %
Summary of Share Based Compensation Activity |
| SARs and Stock Options |  | Restricted Shares and Units
| Number |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Contractual Term |  | Aggregate Intrinsic Value |  | Number |  | Weighted- Average Grant-Date Fair Value
|  |  | (In thousands, except exercise prices, fair values, and contractual terms) |  |
Outstanding at January 1, 2019 | 1,289 |  |  | $ | 65.58 |  |  |  |  |  |  | 627 |  |  | $ | 71.66 |
Granted | 237 |  |  | 61.71 |  |  |  |  |  |  | 353 |  |  | 64.61 |
Exercised or converted | (49 | ) |  | 48.27 |  |  |  |  |  |  | (170 | ) |  | 58.73 |
Forfeited or expired | (110 | ) |  | 71.73 |  |  |  |  |  |  | (73 | ) |  | 70.30 |
Outstanding at December 31, 2019 | 1,367 |  |  | $ | 65.04 |  |  | 6.2 |  | $ | (13,727 | ) |  | 737 |  |  | $ | 68.31 |
Vested or expected to vest at December 31, 2019 | 1,349 |  |  | $ | 65.01 |  |  | 6.1 |  | $ | (13,498 | ) |  |  |  |
Exercisable or convertible at December 31, 2019 | 936 |  |  | 63.88 |  |  | 5.1 |  | (8,312 | ) |  |  |  |

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- Definition Tabular disclosure for share-based compensation 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 (e) -URI http://asc.fasb.org/extlink&oid=109197908&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 (c)(2) -URI http://asc.fasb.org/extlink&oid=109197908&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 (d) -URI http://asc.fasb.org/extlink&oid=109197908&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=109197908&loc=d3e5070-113901 + Details
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