DEBT (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Oct. 27, 2022	Aug. 13, 2020	Sep. 26, 2013	Feb. 26, 2013	Dec. 08, 2011
Debt Instrument [Line Items]
Carrying Value	$ 957,884	$ 1,048,949
Estimated Fair Value	912,434	966,702
Total debt	957,500	1,047,500
Debt issuance costs, net	(1,125)	(1,326)
Unamortized interest rate swap proceeds (1)	1,509	2,775
Less: current portion of long-term debt	(200,000)	(90,000)
Long-term debt	757,884	958,949
Carrying Value
Debt Instrument [Line Items]
Less: current portion of long-term debt	(200,000)	(90,000)
Long-term debt	757,884	958,949
Estimated Fair Value
Debt Instrument [Line Items]
Less: current portion of long-term debt	(199,556)	(89,876)
Long-term debt	712,878	876,826
3.85% Senior notes due 2025
Debt Instrument [Line Items]
Carrying Value	0	90,000
Estimated Fair Value	$ 0	89,876
Stated interest rate	3.85%					3.85%
4.24% Senior notes due 2026
Debt Instrument [Line Items]
Carrying Value	$ 200,000	200,000
Estimated Fair Value	$ 199,556	196,059
Stated interest rate	4.24%						4.24%
4.05% Senior notes due 2028
Debt Instrument [Line Items]
Carrying Value	$ 67,500	67,500
Estimated Fair Value	$ 66,769	64,733
Stated interest rate	4.05%					4.05%
4.11% Senior notes due 2028
Debt Instrument [Line Items]
Carrying Value	$ 90,000	90,000
Estimated Fair Value	$ 88,712	85,784
Stated interest rate	4.11%				4.11%
3.10% Senior notes due 2030
Debt Instrument [Line Items]
Carrying Value	$ 150,000	150,000
Estimated Fair Value	$ 138,721	131,386
Stated interest rate	3.10%			3.10%
3.20% Senior notes due 2032
Debt Instrument [Line Items]
Carrying Value	$ 150,000	150,000
Estimated Fair Value	$ 132,996	125,426
Stated interest rate	3.20%			3.20%
4.49% Senior notes due 2032
Debt Instrument [Line Items]
Carrying Value	$ 200,000	200,000
Estimated Fair Value	$ 191,143	182,451
Stated interest rate	4.49%		4.49%
4.64% Senior notes due 2034
Debt Instrument [Line Items]
Carrying Value	$ 100,000	100,000
Estimated Fair Value	$ 94,153	89,538
Stated interest rate	4.64%		4.64%
Long-term Debt, gross
Debt Instrument [Line Items]
Estimated Fair Value	$ 912,050	$ 965,253