FAIR VALUE OF FINANCIAL INSTRUMENTS (Debt) (Detail) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 957,635	$ 957,884
Estimated Fair Value	909,286	912,434
Long-term Debt, Gross	957,500	957,500
Debt issuance costs, net	(1,075)	(1,125)
Unamortized interest rate swap proceeds	$ 1,210	1,509
4.24% Senior notes due 2026
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.24%
Carrying Value	$ 200,000	200,000
Estimated Fair Value	$ 199,495	199,556
4.05% Senior notes due 2028
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.05%
Carrying Value	$ 67,500	67,500
Estimated Fair Value	$ 66,550	66,769
4.11% Senior notes due 2028
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.11%
Carrying Value	$ 90,000	90,000
Estimated Fair Value	$ 88,339	88,712
3.10% Senior notes due 2030
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.10%
Carrying Value	$ 150,000	150,000
Estimated Fair Value	$ 138,360	138,721
3.20% Senior notes due 2032
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.20%
Carrying Value	$ 150,000	150,000
Estimated Fair Value	$ 132,627	132,996
4.49% Senior notes due 2032
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.49%
Carrying Value	$ 200,000	200,000
Estimated Fair Value	$ 190,139	191,143
4.64% Senior notes due 2034
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.64%
Carrying Value	$ 100,000	100,000
Estimated Fair Value	93,641	94,153
Total debt
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Estimated Fair Value	$ 909,151	$ 912,050

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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