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Earnings Per Share
9 Months Ended
Sep. 28, 2019
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 EndedNine Months Ended
September 28, 2019September 29, 2018September 28, 2019September 29, 2018
Weighted-average common shares outstanding54,969,340  56,260,432  55,245,705  56,447,218  
Effect of dilutive securities687,602  1,073,501  755,157  1,033,190  
Weighted-average common shares outstanding, assuming dilution
55,656,942  57,333,933  56,000,862  57,480,408  
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 28, 2019, there were 1,223,983 awards outstanding that were anti-dilutive; as of September 29, 2018, there were 689,665 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.