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Earnings per Share | 12 Months Ended
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Dec. 30, 2017
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings per Share Basic and diluted EPS were calculated as follows:
(In thousands, except per share amounts) |  | December 30, 2017 |  | December 31, 2016 |  | January 2, 2016
Amounts Attributable to Kadant: |  |  |  |  |  |
Income from Continuing Operations |  | $ | 31,092 |  |  | $ | 32,074 |  |  | $ | 34,315 |
Income from Discontinued Operation |  | — |  |  | 3 |  |  | 74 |
Net Income Attributable to Kadant |  | $ | 31,092 |  |  | $ | 32,077 |  |  | $ | 34,389 |
Basic Weighted Average Shares |  | 10,991 |  |  | 10,869 |  |  | 10,867 |
Effect of Stock Options, Restricted Stock Units and Employee Stock Purchase Plan |  | 321 |  |  | 280 |  |  | 227 |
Diluted Weighted Average Shares |  | 11,312 |  |  | 11,149 |  |  | 11,094 |
Basic EPS: |  |  |  |  |  |  |  |  |
Continuing Operations |  | $ | 2.83 |  |  | $ | 2.95 |  |  | $ | 3.16 |
Discontinued Operation |  | $ | — |  |  | $ | — |  |  | $ | 0.01 |
Earnings per Basic Share |  | $ | 2.83 |  |  | $ | 2.95 |  |  | $ | 3.16 |
Diluted EPS: |  |  |  |  |  |  |  |  |
Continuing Operations |  | $ | 2.75 |  |  | $ | 2.88 |  |  | $ | 3.09 |
Discontinued Operation |  | $ | — |  |  | $ | — |  |  | $ | 0.01 |
Earnings per Diluted Share |  | $ | 2.75 |  |  | $ | 2.88 |  |  | $ | 3.10 |
The dilutive effect of RSUs totaling 15,600 shares in 2017, 36,700 shares in 2016, and 23,100 shares in 2015 of common stock was not included in the computation of diluted EPS, as the effect would have been antidilutive or, for unvested performance-based RSUs, the performance conditions had not been met as of the end of the reporting periods during the year.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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