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Earnings Per Share | 9 Months Ended
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Sep. 29, 2018
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings Per Share The shares used in the computation of the company’s basic and diluted earnings per common share are as follows:
| Three Months Ended |  | Nine Months Ended
| September 29, 2018 |  | September 30, 2017 |  | September 29, 2018 |  | September 30, 2017
Weighted-average common shares outstanding | 56,260,432 |  |  | 57,200,880 |  |  | 56,447,218 |  |  | 57,643,948 |
Effect of dilutive securities | 1,073,501 |  |  | 1,054,360 |  |  | 1,033,190 |  |  | 1,220,575 |
Weighted-average common shares outstanding, assuming dilution | 57,333,933 |  |  | 58,255,240 |  |  | 57,480,408 |  |  | 58,864,523 |
The dilutive effect of the potential exercise of outstanding options and stock-settled SARs to purchase common shares is calculated using the treasury stock method. As of September 29, 2018, there were 689,665 awards outstanding that were anti-dilutive; as of September 30, 2017, there were 723,215 awards outstanding that were anti-dilutive. Performance-based equity awards are included in the diluted earnings per share calculation based on the attainment of the applicable performance metrics to date.

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