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Share-Based Compensation (Tables) | 9 Months Ended
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Oct. 01, 2016
Share-based Compensation [Abstract] |
Fair value assumptions for performance awards | The fair values of the senior executives' performance share award grants with a TSR modifier at the grant date in 2016 and 2015 were $38.54 and $56.17, respectively, which were estimated using the Monte Carlo valuation model, and incorporated the following assumptions:
| 2016 |  | 2015
Risk-free interest rate | 0.8 | % |  | 1.0 | %
Dividend yield | 1.0 | % |  | 0.9 | %
Volatility factor | 40.8 | % |  | 39.2 | %
Expected life of award | 2.9 years |  |  | 2.9 years |

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- Definition Schedule of Share-based Payment Award, Equity Instruments Other than Options, Valuation Assumptions [Table Text Block] + References No definition available. + Details
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