Stock-Based Compensation (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2016 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Schedule of Significant Assumptions Used to Calculate the Grant Date Fair Market Values of Options Granted | The following table provides the significant assumptions used to calculate the grant date fair market values of options granted using a Black-Scholes option pricing method:
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Schedule of Stock Option Activity | The following summarizes TimkenSteel stock option activity from January 1, 2016 to December 31, 2016:
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Summary of Restricted Share Award Activity | The following summarizes TimkenSteel stock-settled restricted share award activity from January 1, 2016 to December 31, 2016:
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