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Stock-Based Compensation (Detail) - (Table 6) - $ / shares
 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]    
Non-vested at January 1 2,849,000 3,651,000
Non-vested at January 1 (in Dollars per share) $ 23.80 $ 20.81
Granted 421,000 316,000
Granted (in Dollars per share) $ 40.58 $ 38.95
Vested (281,000) (312,000)
Vested (in Dollars per share) $ 32.54 $ 28.00
Forfeited (25,000) (47,000)
Non-vested at March 31 2,964,000 3,608,000
Non-vested at March 31 (in Dollars per share) $ 25.26 $ 21.61
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 35.61 $ 34.93