FAIR VALUE OF FINANCIAL INSTRUMENTS (Debt) (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 1,209,077	$ 1,050,610
Long-term Debt, Gross	1,203,100	1,043,900
Debt Issuance Costs, Net	(868)	(949)
Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge	6,845	7,659
Estimated Fair Value	1,166,818	1,104,707
Revolving Credit Facility [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	253,100	93,900
Estimated Fair Value	253,100	93,900
3.70% Senior notes due 2023
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	202,500	202,500
Estimated Fair Value	$ 202,266	208,086
Debt Instrument, Interest Rate, Stated Percentage	3.70%
3.85% Senior notes due 2025
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 90,000	90,000
Estimated Fair Value	$ 88,790	95,246
Debt Instrument, Interest Rate, Stated Percentage	3.85%
4.24% Senior notes due 2026
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 200,000	200,000
Estimated Fair Value	$ 198,087	218,421
Debt Instrument, Interest Rate, Stated Percentage	4.24%
4.05% Senior notes due 2028
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 67,500	67,500
Estimated Fair Value	$ 65,836	73,783
Debt Instrument, Interest Rate, Stated Percentage	4.05%
4.11% Senior notes due 2028
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 90,000	90,000
Estimated Fair Value	$ 87,593	98,854
Debt Instrument, Interest Rate, Stated Percentage	4.11%
3.10% Senior notes due 2030
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 150,000	150,000
Estimated Fair Value	$ 133,963	154,832
Debt Instrument, Interest Rate, Stated Percentage	3.10%
3.20% Senior notes due 2032
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying Value	$ 150,000	150,000
Estimated Fair Value	$ 131,206	154,875
Debt Instrument, Interest Rate, Stated Percentage	3.20%
Long-term Debt, Gross
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Estimated Fair Value	$ 1,160,841	$ 1,097,997

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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount, excluding 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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