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Stock-Based Compensation (Detail) - (Table 4) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		9 Months Ended
	Mar. 15, 2024	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	86	716	384
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price		$ 41.32	$ 30.72
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price		$ 33.64	25.11
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price			$ 46.28
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value		$ 15,799	$ 833
Forfeited		(20)	(37)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum		4.00%	3.70%
Weighted average fair value		$ 13.22	$ 10.95
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value		$ 14,135	$ 610
Granted (in Dollars per share)		$ 42.16	$ 33.23
Vested (in Dollars per share)		$ 34.37	$ 34.74
Vested		(328)	(316)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value		$ 37.09	$ 37.82
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value		$ 38.53	$ 28.22	$ 35.44	$ 28.45
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition		3 years 3 months 18 days
Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition		1 year
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life in years		3 years	3 years
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life in years		4 years	5 years

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