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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2013
Stock Based Compensation [Abstract] |
Schedule of option-pricing model assumptions and weighted-average fair values | The fair value of stock option awards was estimated using the Black-Scholes option-pricing model with the following assumptions and weighted-average fair values as follows:
|  | December 31, |
Stock Options: |  | 2011 |  |  | 2012 |  |  | 2013 |
Weighted average grant date fair value of grants |  | $ | 9.98 |  |  | $ | 13.31 |  |  | $ | 22.10 |
Risk-free interest rate(1) |  |  | 1.8 | % |  |  | 0.8 | % |  |  | 1.4 | %
Dividend yield(2) |  |  | 2.6 | % |  |  | 2.7 | % |  |  | 3.1 | %
Expected volatility(3) |  |  | 38.4 | % |  |  | 46.8 | % |  |  | 41.7 | %
Expected life in months(4) |  | 63 months |  |  | 58 months |  |  | 62 months |
| (1) | The risk-free interest rate is based upon the rate on a zero coupon U.S. Treasury bill, for periods within the contractual life of the option, in effect at the time of the grant.
| (2) | The dividend yield is based on the average of historical stock prices and actual dividends paid.
| (3) | Expected volatility is based on the historical volatility of the Company's stock price, over a period similar to the expected life of the option.
| (4) | The expected term of the option is based on the historical employee exercise behavior, the vesting terms of the respective option, and a contractual life of either seven or ten years.
TABLE OF CONTENTS NU SKIN ENTERPRISES, INC. Notes to Consolidated Financial Statements
Schedule of option activity | Options under the plans as of December 31, 2013 and changes during the year ended December 31, 2013 were as follows:
|  | Shares (in thousands) |  |  | Weighted-average Exercise Price |  |  | Weighted- average Remaining Contractual Term (in years) |  |  | Aggregate Intrinsic Value (in thousands) |
Options activity – service based |  |  |  |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2012 |  |  | 3,235.2 |  |  | $ | 18.55 |  |  |  |  |  |  |
Granted |  |  | 172.5 |  |  |  | 94.53 |  |  |  |  |  |  |
Exercised |  |  | (1,244.0 | ) |  |  | 16.16 |  |  |  |  |  |  |
Forfeited/cancelled/expired |  |  | (3.9 | ) |  |  | 13.45 |  |  |  |  |  |  |
Outstanding at December 31, 2013 |  |  | 2,159.8 |  |  |  | 26.01 |  |  |  | 2.82 |  |  | $ | 242,347 |
Exercisable at December 31, 2013 |  |  | 1,763.0 |  |  |  | 17.55 |  |  |  | 2.17 |  |  |  | 212,740 |
Options activity – performance based |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2012 |  |  | 2,727.0 |  |  | $ | 28.06 |  |  |  |  |  |  |  |  |
Granted |  |  | 2,605.5 |  |  |  | 77.51 |  |  |  |  |  |  |  |  |
Exercised |  |  | (794.4 | ) |  |  | 25.10 |  |  |  |  |  |  |  |  |
Forfeited/cancelled/expired |  |  | (55.0 | ) |  |  | 33.89 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2013 |  |  | 4,483.1 |  |  |  | 57.25 |  |  |  | 5.26 |  |  | $ | 362,975 |
Exercisable at December 31, 2013 |  |  | 1,826.7 |  |  |  | 28.72 |  |  |  | 3.47 |  |  |  | 200,034 |
Options activity – all options |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2012 |  |  | 5,962.2 |  |  | $ | 22.90 |  |  |  |  |  |  |  |  |
Granted |  |  | 2,778.0 |  |  |  | 78.57 |  |  |  |  |  |  |  |  |
Exercised |  |  | (2,038.4 | ) |  |  | 19.65 |  |  |  |  |  |  |  |  |
Forfeited/cancelled/expired |  |  | (58.9 | ) |  |  | 32.54 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2013 |  |  | 6,642.9 |  |  |  | 47.10 |  |  |  | 4.47 |  |  | $ | 605,322 |
Exercisable at December 31, 2013 |  |  | 3,589.7 |  |  |  | 23.23 |  |  |  | 2.83 |  |  |  | 412,774 |
Schedule of cash proceeds, tax benefits, and intrinsic value related to total stock options exercised | Cash proceeds, tax benefits, and intrinsic value related to total stock options exercised during 2011, 2012 and 2013, were as follows (in millions):
|  | December 31, |
|  | 2011 |  |  | 2012 |  |  | 2013 |
Cash proceeds from stock options exercised |  | $ | 29.7 |  |  | $ | 8.0 |  |  | $ | 37.9 |
Tax benefit realized for stock options exercised |  |  | 17.4 |  |  |  | 6.3 |  |  |  | 41.9 |
Intrinsic value of stock options exercised |  |  | 61.6 |  |  |  | 10.6 |  |  |  | 241.7 |
Schedule of non-vested restricted stock awards and changes | Nonvested restricted stock awards as of December 31, 2013 and changes during the year ended December 31, 2013 were as follows:
|  | Number of Shares (in thousands) |  |  | Weighted-average Grant Date Fair Value |
Nonvested at December 31, 2012 |  |  | 729.0 |  |  | $ | 39.68 |
Granted |  |  | 315.8 |  |  |  | 41.59 |
Vested |  |  | (305.4 | ) |  |  | 34.88 |
Forfeited |  |  | (9.8 | ) |  |  | 42.10 |
Nonvested at December 31, 2013 |  |  | 729.6 |  |  |  | 42.48 |

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- Definition Tabular disclosure of the amount of cash proceeds received from the exercise of stock options and similar instruments granted under share-based payment arrangements and the tax benefit realized from stock options exercised during the period. Disclosure may also include the intrinsic value of stock options exercised during the period. + 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 (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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