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SHARE-BASED AWARDS AND STOCK OPTIONS - Share-Based Compensation Expense and Income Tax Benefit (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Share-based Payment Arrangement [Abstract]    
Share-based compensation expense $ 37,165 $ 27,822
Income tax benefit $ 8,399 $ 6,473