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DEBT (Details) - USD ($)		3 Months Ended
	Feb. 16, 2021	Mar. 31, 2021	Mar. 31, 2020
Debt Instrument [Line Items]
Loss on extinguishment of debt		$ 0	$ 21,300,000
Line of credit | Amended may 2016, five year credit agreement
Debt Instrument [Line Items]
Debt instrument, term	5 years
Line of credit facility, maximum borrowing capacity	$ 75,000,000.0
Senior notes | 2.30% Senior notes due may 2030
Debt Instrument [Line Items]
Debt instrument, face amount			$ 500,000,000.0
Interest rate			2.30%
Senior notes | 3.30% Senior notes due may 2050
Debt Instrument [Line Items]
Debt instrument, face amount			$ 500,000,000.0
Interest rate			3.30%
Senior notes | 2.75% Senior notes due june 2022
Debt Instrument [Line Items]
Interest rate			2.75%
Loss on extinguishment of debt			$ 21,300,000
Senior notes | 2.25% Senior notes due may 2020
Debt Instrument [Line Items]
Interest rate			2.25%

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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- Definition

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

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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

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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