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Earnings per share (Tables)
9 Months Ended
Sep. 30, 2022
Earnings Per Share [Abstract]  
Weighted average common shares outstanding A reconciliation of the weighted average common shares outstanding used in the basic and diluted earnings per share calculations follows:
Three Months EndedNine Months Ended
September 30,September 30,
2022202120222021
(In thousands, except per share amounts)
Weighted average common shares outstanding - basic203,351 202,863 203,351 201,647 
Effect of dilutive performance share awards and restricted stock units293 327 56 308 
Weighted average common shares outstanding - diluted203,644 203,190 203,407 201,955 
Shares excluded from the calculation of diluted earnings per share
— — 77 — 
Dividends declared per common share
$.2175 $.2125 $.6525 $.6375