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Stock-Based Compensation (Detail) - (Table 5)
$ / shares in Units, $ in Thousands
 9 Months Ended
Sep. 30, 2022
USD ($)
$ / shares
shares
Sep. 30, 2021
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Outstanding at January 1, 2012 | shares 2,531,000 2,674,000
Outstanding at January 1, 2012 (in Dollars per share) | $ / shares $ 29.06 $ 26.80
Granted | shares 266,000 254,000
Granted (in Dollars per share) | $ / shares $ 37.04 $ 43.16
Exercised | shares (18,000) (311,000)
Exercised (in Dollars per share) | $ / shares $ 23.72 $ 23.29
Outstanding at June 30, 2012 | shares 2,779,000 2,617,000
Outstanding at June 30, 2012 (in Dollars per share) | $ / shares $ 29.86 $ 28.80
Outstanding at June 30, 2012 2 years 3 months 18 days 3 years
Outstanding at June 30, 2012 (in Dollars) | $ $ 2,613 $ 30,672
Exercisable at June 30, 2012 | shares 2,488,000 2,103,000
Exercisable at June 30, 2012 (in Dollars per share) | $ / shares $ 28.94 $ 27.61
Exercisable at June 30, 2012 2 years 2 years 9 months 18 days
Exercisable at June 30, 2012 (in Dollars) | $ $ 2,595