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Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Statement of Financial Position [Abstract]    
Accumualted depreciation $ 982,405 $ 904,922
Common shares, authorized 195,880 198,077
Common shares, issued 195,880 198,077
Common shares, outstanding 191,387 191,623
Treasury Stock, Common, Shares 4,493 6,454