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Weighted Average Shares Outstanding
 12 Months Ended
Dec. 31, 2023
Earnings Per Share [Abstract]  
Weighted Average Shares Outstanding Weighted Average Shares Outstanding
Earnings per share, basic and diluted, as presented in the consolidated statements of comprehensive income, are calculated by dividing net income attributable to Knight-Swift by the respective weighted average common shares outstanding during the period.
The following table reconciles basic weighted average shares outstanding to diluted weighted average shares outstanding:
 202320222021
(In thousands)
Basic weighted average common shares outstanding161,188 162,260 165,860 
Dilutive effect of equity awards638 951 1,200 
Diluted weighted average common shares outstanding161,826 163,211 167,060 
Anti-dilutive shares excluded from earnings per diluted share 1
252 335 208 
1Shares were excluded from the dilutive-effect calculation because the outstanding awards' exercise prices were greater than the average market price of the Company's common stock.