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Earnings Per Share (Tables)
 9 Months Ended
Sep. 30, 2020
Earnings Per Share [Abstract]  
Reconciliation of Basic and Diluted Weighted-Average Shares Outstanding A reconciliation of basic and diluted weighted-average shares outstanding used in the computation of basic and diluted earnings per share is as follows:
Three Months Ended
September 30,		Nine Months Ended
September 30,
2020201920202019
Basic weighted average shares outstanding106,146,809 108,813,355 106,622,704 109,582,748 
Weighted average dilutive options outstanding906,302 2,100,378 1,082,474 2,009,262 
Diluted weighted average shares outstanding107,053,111 110,913,733 107,705,178 111,592,010 
Antidilutive shares4,007,482 — 2,415,182 1,359,186