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Treasury Stock
 12 Months Ended
Dec. 31, 2021
Equity [Abstract]  
Treasury Stock Treasury Stock
The Company has executed share repurchases against authorizations approved by the Board of Directors in 2019 and 2021. In 2021, the Company repurchased $120.1 million of stock under these authorizations and as of December 31, 2021, the remaining authorization was $346.4 million.

Treasury stock activity for the years ended December 31, 2021, 2020 and 2019 was as follows:
(Shares in thousands)202120202019
Balance as of January 124,663 22,969 15,781 
Compensation plans and other(303)(263)(542)
Share repurchases1,245 1,957 7,730 
Balance as of December 3125,605 24,663 22,969