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Stock-Based Employee Compensation (Tables) | 12 Months Ended
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Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Total Compensation Expense Recognized for Employee Stock-based Compensation | Total compensation expense recognized for employee stock-based compensation for the years ended December 31, 2017, 2016 and 2015 was as follows:
| Employee Stock-Based Compensation
Classification of expense | 2017 |  | 2016 |  | 2015
(In thousands) |  |  |  |  |
Marketing, selling and administrative expenses | $ | 69,459 |  |  | $ | 32,659 |  |  | $ | 36,073 |
Total compensation expense | $ | 69,459 |  |  | $ | 32,659 |  |  | $ | 36,073 |
Summary Stock Option Activity | Stock option activity and information about stock options outstanding are summarized in the following table:
Stock Option Activity | Number of Options |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Contractual Term |  | Aggregate Intrinsic Value(1)
|  |  |  |  | (years) |  | (in thousands)
Outstanding at January 1, 2017 | 346,310 |  |  | $ | 32.82 |  |  | 2.39 |  |  | $ | 17,221 |
Granted | — |  |  | — |  |  | — |  |  | — |
Exercised | (72,000 | ) |  | $ | 35.07 |  |  | — |  |  | — |
Canceled | (1,586 | ) |  | $ | 46.18 |  |  | — |  |  | — |
Outstanding at December 31, 2017 | 272,724 |  |  | $ | 32.15 |  |  | 1.41 |  |  | $ | 24,053 |
Vested at December 31, 2017 | 272,724 |  |  | $ | 32.15 |  |  | 1.41 |  |  | $ | 24,053 |
Options Exercisable at December 31, 2017 | 272,724 |  |  | $ | 32.15 |  |  | 1.41 |  |  | $ | 24,053 |
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(1) | The intrinsic value represents the amount by which the fair value of stock exceeds the option exercise price
Summary of Restricted Stock Activity | Restricted stock activity is summarized in the following table:
Restricted Stock Units Activity | Number of Awards |  | Weighted- Average Grant Date Fair Value
Non-vested share units at January 1, 2017 | 748,516 |  |  | $ | 61.95 |
Granted | 425,170 |  |  | $ | 99.03 |
Vested | (376,992 | ) |  | $ | 59.62 |
Canceled | (58,795 | ) |  | $ | 71.47 |
Non-vested share units expected to vest as of December 31, 2017 | 737,899 |  |  | $ | 83.78 |
Summary of Performance share activity | Performance share units activity is summarized in the following table:
Performance Share Units Activity | Number of Awards |  | Weighted- Average Grant Date Fair Value
Non-vested share units at January 1, 2017 | 342,152 |  |  | $ | 61.78 |
Granted | 140,542 |  |  | $ | 84.16 |
Vested | (105,615 | ) |  | $ | 45.62 |
Canceled | (23,929 | ) |  | $ | 71.37 |
Non-vested share units expected to vest as of December 31, 2017 | 353,150 |  |  | $ | 74.87 |
Senior Officers |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Summary of Restricted Stock Activity | Restricted stock awards activity is summarized in the following table:
Restricted Stock Awards Activity | Number of Awards |  | Weighted- Average Grant Date Fair Value
Non-vested share units at January 1, 2017 | 132,228 |  |  | $ | 66.93 |
Granted | 137,948 |  |  | $ | 95.04 |
Vested | — |  |  | $ | — |
Canceled | — |  |  | $ | — |
Non-vested share units expected to vest as of December 31, 2017 | 270,176 |  |  | $ | 81.28 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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