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Share-Based Compensation (Tables) | 3 Months Ended
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Apr. 04, 2015
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 2015 and 2014 were $56.17 and $41.38, respectively, which were estimated using the Monte Carlo valuation model, and incorporated the following assumptions:
| 2015 |  | 2014
Risk-free interest rate | 1.0 | % |  | 0.6 | %
Dividend yield | 0.9 | % |  | 1.0 | %
Volatility factor | 39.2 | % |  | 43.7 | %
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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