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STOCK OWNERSHIP AND COMPENSATION PLANS (Tables) | 12 Months Ended
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Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Assumptions Used in Valuing The Company's Stock Options | The weighted average assumptions used in valuing stock options granted in the periods presented were:
| 2015 |  | 2014 |  | 2013
Fair value at grant date | $11.57 |  | $10.99 |  | $12.64
Expected volatility | 21.0% |  | 25.1% |  | 25.8%
Dividend yield | 2.1% |  | 2.1% |  | 1.4%
Risk-free interest rate | 1.7% |  | 1.6% - 2.0% |  | 1.1% - 1.3%
Expected holding period, in years | 5.3 |  | 5.5 - 6.6 |  | 5.5 - 6.7
Summary of Transactions Under The Company's Stock Option Plans | The following summarizes the activity relative to stock option awards for 2015:
| Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (in years) |  | Aggregate Intrinsic Value
Options outstanding, beginning of year | 6.6 |  |  | $ | 54.46 |  |  |  |  |
Options granted | 2.5 |  |  | 71.14 |  |  |  |  |
Options exercised | (1.1 | ) |  | 53.79 |  |  |  |  |
Options forfeited and canceled | (0.3 | ) |  | 61.99 |  |  |  |  |
Options outstanding, end of year | 7.7 |  |  | $ | 59.65 |  |  | 7.3 |  | $ | 89 |
Exercisable, end of year | 3.5 |  |  | $ | 55.37 |  |  | 5.8 |  | $ | 56 |
Vested and expected to vest, end of year | 7.5 |  |  | $ | 59.43 |  |  | 7.3 |  | $ | 88 |
Summary of Transactions Under Stock Awards Other than Options | The following summarizes the activity relative to stock awards, including restricted stock awards, restricted stock units and performance share units, for 2015, 2014 and 2013:
| 2015 |  | 2014 |  | 2013
| Shares |  | Weighted Average Grant Date Fair Value |  | Shares |  | Weighted Average Grant Date Fair Value |  | Shares |  | Weighted Average Grant Date Fair Value
Shares outstanding, beginning of year | 1.9 |  |  | $ | 55.50 |  |  | 1.9 |  |  | $ | 57.08 |  |  | 2.0 |  |  | $ | 56.77 |
Shares granted | 0.6 |  |  | 71.17 |  |  | 0.7 |  |  | 52.72 |  |  | 0.8 |  |  | 56.79 |
Shares vested | (0.3 | ) |  | 55.74 |  |  | (0.3 | ) |  | 57.14 |  |  | (0.5 | ) |  | 56.25 |
Shares forfeited and canceled | (0.5 | ) |  | 58.18 |  |  | (0.4 | ) |  | 56.44 |  |  | (0.4 | ) |  | 55.91 |
Shares outstanding, end of year | 1.7 |  |  | $ | 59.92 |  |  | 1.9 |  |  | $ | 55.50 |  |  | 1.9 |  |  | $ | 57.08 |

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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired 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=6415400&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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