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Weighted Average Number of Shares Diluted (Tables)
 12 Months Ended
Dec. 31, 2021
Earnings per share [abstract]  
Disclosure of Weighted Average Diluted Shares
201920202021
Weighted average number of shares (basic)
131.0 129.1 126.7 
Dilutive effect of outstanding awards under SBC plans
0.8 — — 
Weighted average number of shares (diluted)
131.8 129.1 126.7