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Share-Based Compensation Level 3 (Tables)
12 Months Ended
Dec. 31, 2024
Share-Based Payment Arrangement, Noncash Expense [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] The fair values of our stock options are calculated using the following weighted average assumptions, based on the methods described above:
Years Ended December 31,
Assumptions202420232022
Dividend yield1.8%1.6%1.5%
Expected volatility25.7%25.4%23.9%
Risk-free interest rate4.3%4.0%1.8%
Expected holding period (years)4.84.54.0
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
The following table summarizes certain information with respect to stock option and restricted share compensation included in our Consolidated Statement of Operations:
Years Ended December 31,
 202420232022
 (In thousands)
Total pretax employee share-based compensation expense included in net income$17,163 $15,423 $14,709 
Income tax benefit related to share-based compensation included in net income$3,982 $3,822 $3,877 
Share-based Payment Arrangement, Option, Activity [Table Text Block]
The following table sets forth stock option activity for the year ended December 31, 2024 (shares reported in whole numbers):
OptionsWeighted-Average
Exercise Price
Outstanding at December 31, 2023
4,906,195 $45.44 
Granted383,300 $69.98 
Exercised(1,645,947)$34.44 
Outstanding at December 31, 2024
3,643,548 $53.00 
Exercisable at December 31, 2024
2,902,692 $49.19 
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block]
Set forth below is certain information related to stock options outstanding and exercisable at December 31, 2024 (shares reported in whole numbers):
 Options OutstandingOptions Exercisable
Range of Exercise Price
Number
Outstanding at
December 31, 2024
Weighted-Average Remaining Contractual Life
(in years)
Weighted-
Average Exercise Price
Number
Exercisable at
December 31, 2024
Weighted-
Average Exercise Price
$35.01 — 45.00984,847 1.6$39.98 984,847 $39.98 
$45.01 — 55.001,370,506 3.6$50.29 1,370,506 $50.29 
$55.01 — 65.00535,931 5.1$59.76 376,888 $59.76 
$65.01 — 75.00752,264 6.6$70.16 170,451 $70.28 
$0.00 — 75.003,643,548 3.9$53.00 2,902,692 $49.19 
Other Information Pertaining to Stock Option Activity [Table Text Block]
Other information pertaining to stock options was as follows (in thousands, except weighted-average grant date fair value):
Years Ended December 31,
202420232022
Weighted average grant-date fair value of stock options granted$17.28 $16.86 $11.02 
Total fair value of stock options vested$6,485 $6,059 $5,538 
Total intrinsic value of stock options exercised$70,019 $37,115 $42,700 
Cash received from the exercise of stock options
$56,683 $24,181 $27,814 
Recognized compensation expense
$6,701 $5,929 $5,738 
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
Restricted share award activity was as follows (share awards reported in whole numbers):
Restricted
Share Awards
Weighted-Average
Grant-Date
Fair Value
Nonvested restricted share awards at December 31, 2023
186,773 $62.95 
Granted98,591 $69.98 
Vested(110,375)$60.58 
Nonvested restricted share awards at December 31, 2024
174,989 $68.41 
Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
Restricted
Share Units
Weighted-Average
Grant-Date
Fair Value
Nonvested restricted share units at December 31, 2023
109,708 $62.96 
Granted60,139 $69.98 
Vested(60,490)$60.02 
Forfeited and other(5,403)$68.35 
Nonvested restricted share units at December 31, 2024
103,954 $68.42