Stock-Based Compensation (Detail) - (Table 6) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-Based Payment Arrangement [Abstract]
Weighted-average grant date fair value of awards granted	$ 6.36	$ 10.90	$ 8.45
Proceeds from Stock Options Exercised	$ 32,000	$ 1,613,000	$ 1,205,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	4,699,000	791,000	16,335,000
Share-based Payment Arrangement, Exercise of Option, Tax Benefit	$ 709,000	$ 39,000	$ 1,285,000
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	1,543,000	1,290,000
Non-vested at January 1 (in Dollars per share)	$ 38.89	$ 35.44
Granted (in shares)	805,000	728,000
Granted (in Dollars per share)	$ 32.64	$ 42.23	$ 33.38
Vested	645,000	451,000
Vested (in Dollars per share)	$ 38.34	$ 34.56	$ 42.00
Non-vested at June 30	1,652,000	1,543,000	1,290,000
Non-vested at June 30 (in Dollars per share)	$ 36.16	$ 38.89	$ 35.44
Forfeited	(51,000)	(24,000)
Forfeitures (in dollars per share)	$ 35.54	$ 36.29
Total fair value of awards vested	$ 24,729,000	$ 15,574,000	$ 26,168,000
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested	645,000	451,000
Performance-based
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Granted (in shares)	150,000	86,000
Granted (in Dollars per share)	$ 26.05	$ 41.63
Vested	0	0	12,000
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance shares target level	18500.00%
Vested	0	0	12,000