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Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Total
Balances at Dec. 31, 2019 $ 1,671 $ 374,049 $ 4,592,938 $ (2,701,629) $ 2,267,029
Net earnings 0 0 104,834 0 104,834
Cash dividend declared and paid 0 0 (28,688) 0 (28,688)
Purchase of treasury shares 0 0 0 (75,193) (75,193)
Share-based compensation 0 18,063 0 0 18,063
Restricted share issuances, net of stock repurchased for payroll taxes 0 (3,535) 0 (92) (3,627)
Balances at Mar. 31, 2020 1,671 388,577 4,669,084 (2,776,914) 2,282,418
Balances at Dec. 31, 2020 1,671 408,244 4,984,739 (2,794,516) 2,600,138
Net earnings 0 0 146,606 0 146,606
Cash dividend declared and paid 0 0 (29,597) 0 (29,597)
Purchase of treasury shares 0 0 0 (5,239) (5,239)
Share-based compensation 0 14,967 0 0 14,967
Restricted share issuances, net of stock repurchased for payroll taxes 0 (3,960) 0 (849) (4,809)
Balances at Mar. 31, 2021 $ 1,671 $ 419,251 $ 5,101,748 $ (2,800,604) $ 2,722,066