STOCK COMPENSATION PLANS (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2019 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
STOCK COMPENSATION PLANS [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Weighted-average fair value of options granted and the weighted-average assumptions used in the Black Scholes Merton option pricing model for such grants | The weighted-average fair value of stock options granted during the years ended December 31, 2019, 2018 and 2017 and the weighted-average assumptions used in the Black-Scholes-Merton option-pricing model for such grants were as follows:
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The expected term of the stock options represents the period of time that options granted are expected to be outstanding and is derived by analyzing historical exercise behavior.
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Stock option activity for all plans |
Stock option activity for all plans for the year ended December 31, 2019 was as follows:
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Summary of information about performance share units based on the Target Award amounts in the performance share unit agreements |
The following table summarizes information about performance share units and growth share units based on the target award amounts:
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The outstanding performance share units and growth share units as of December 31, 2019 at the threshold award and maximum award levels were 2.6 million and 14.2 million, respectively.
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Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] |
The following table summarizes information about nonvested performance-based restricted stock units based on the performance share units' certified award level:
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Nonvested Restricted Stock Shares Activity [Table Text Block] |
The following table summarizes information about nonvested time-based restricted stock and restricted stock units:
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