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Earnings Per Share
 3 Months Ended
Apr. 03, 2021
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
April 3, 2021March 28, 2020
Weighted-average common shares outstanding54,184,438 54,523,857 
Effect of dilutive securities933,451 524,511 
Weighted-average common shares outstanding, assuming dilution
55,117,889 55,048,368 

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 April 3, 2021, there were 400 awards outstanding that were anti-dilutive; as of March 28, 2020, there were 2,304,236 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.