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Share-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2020
Share-based Payment Arrangement [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,
| 2020 |  | 2019 |  | 2018
| (In thousands)
Total share-based compensation cost | $ | 19,171 |  |  | $ | 16,802 |  |  | $ | 17,143 |
Income tax benefit | 4,563 |  |  | 3,999 |  |  | 4,080 |
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,
| 2020 |  | 2019 |  | 2018
| (In thousands, except weighted average fair value and assumptions)
Weighted-average fair value of SARs and options granted | $ | 18.29 |  |  | $ | 22.31 |  |  | $ | 25.19 |
Total intrinsic value of SARs converted and options exercised | 545 |  |  | 354 |  |  | 2,263 |
Tax benefit (expense) related to share-based compensation | (560) |  |  | (101) |  |  | 113 |
Weighted-average fair value of restricted stock shares and units granted | 41.75 |  |  | 64.61 |  |  | 72.54 |
Total fair value of restricted stock shares and units vested | 6,600 |  |  | 10,325 |  |  | 5,740 |
Expected volatility | 37.55 | % |  | 35.05 | % |  | 33.16 | %
Expected term (in years) | 5.7 |  | 5.7 |  | 5.6
Risk-free rate | 1.44 | % |  | 2.56 | % |  | 2.70 | %
Dividend yield | 0.39 | % |  | 0.32 | % |  | 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, 2020 | 1,367 |  |  | $ | 65.04 |  |  | n/a |  | n/a |  | 737 |  |  | $ | 68.31 |
Granted | 149 |  |  | 51.14 |  |  | n/a |  | n/a |  | 565 |  |  | 41.75 |
Exercised or converted | (38) |  |  | 38.24 |  |  | n/a |  | n/a |  | (102) |  |  | 64.56 |
Forfeited or expired | (167) |  |  | 66.42 |  |  | n/a |  | n/a |  | (247) |  |  | 75.07 |
Outstanding at December 31, 2020 | 1,311 |  |  | $ | 64.06 |  |  | 5.7 |  | $ | (29,054) |  |  | 953 |  |  | $ | 52.50 |
Vested or expected to vest at December 31, 2020 | 1,266 |  |  | $ | 64.09 |  |  | 5.7 |  | $ | (28,096) |  |  |  |  |
Exercisable or convertible at December 31, 2020 | 1,021 |  |  | $ | 62.62 |  |  | 5.5 |  | $ | (24,060) |  |  |  |  |

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- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, 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=120381028&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=120381028&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=120381028&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=120381028&loc=d3e5070-113901 + Details
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