FAIR VALUE OF FINANCIAL INSTRUMENTS (Debt) (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 1,229,619	$ 1,254,400
Estimated Fair Value	1,160,119	1,157,228
Long-term Debt, Gross	1,225,700	1,250,000
Debt Issuance Costs, Net	(1,705)	(1,631)
Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge	5,624	6,031
Revolving Credit Facility
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	178,200	0
Estimated Fair Value	178,200	0
3.70% Senior notes due 2023 [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	0	202,500
Estimated Fair Value	$ 0	202,082
Debt Instrument, Interest Rate, Stated Percentage	3.70%
3.85% Senior notes due 2025 [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 90,000	90,000
Estimated Fair Value	$ 88,331	87,298
Debt Instrument, Interest Rate, Stated Percentage	3.85%
4.24% Senior notes due 2026 [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 200,000	200,000
Estimated Fair Value	$ 195,529	191,760
Debt Instrument, Interest Rate, Stated Percentage	4.24%
4.05% Senior notes due 2028 [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 67,500	67,500
Estimated Fair Value	$ 64,926	63,300
Debt Instrument, Interest Rate, Stated Percentage	4.05%
4.11% Senior Notes [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 90,000	90,000
Estimated Fair Value	$ 86,338	83,955
Debt Instrument, Interest Rate, Stated Percentage	4.11%
3.10% Senior Notes [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 150,000	150,000
Estimated Fair Value	$ 131,958	127,429
Debt Instrument, Interest Rate, Stated Percentage	3.10%
3.20% Senior Notes [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 150,000	150,000
Estimated Fair Value	$ 128,166	123,656
Debt Instrument, Interest Rate, Stated Percentage	3.20%
4.49% Senior Notes [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 200,000	200,000
Estimated Fair Value	$ 189,022	183,007
Debt Instrument, Interest Rate, Stated Percentage	4.49%
4.64% Senior Notes [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 100,000	100,000
Estimated Fair Value	$ 93,730	90,341
Debt Instrument, Interest Rate, Stated Percentage	4.64%
Long-term Debt, gross [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Estimated Fair Value	$ 1,156,200	$ 1,152,828

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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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount as of the balance sheet date of the unamortized adjustment to the carrying value of an interest-bearing hedged item made under an effective interest rate fair value hedge that is amortized upon discontinuation of the interest rate fair value hedge.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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