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

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SENIOR NOTES PAYABLE AND OTHER DEBT - Senior Notes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Apr. 01, 2020	Dec. 31, 2019
Debt instruments
Loss on extinguishment of debt, net	$ 0	$ 405
5.45% Senior Notes due 2043
Debt instruments
Interest rate				5.45%
4.875% Senior Notes due 2049
Debt instruments
Interest rate				4.875%
Senior notes	300,000			$ 300,000
2.65% Senior Notes due 2025
Debt instruments
Interest rate				2.65%
Senior notes	450,000			$ 450,000
2.70% Senior Notes due 2020
Debt instruments
Interest rate				2.70%
3.00% Senior Notes due 2030
Debt instruments
Interest rate				3.00%
Senior notes	$ 650,000			$ 650,000
4.25% Senior Notes due 2022
Debt instruments
Interest rate				4.25%
3.00% Senior Notes, Series A due 2019
Debt instruments
Interest rate				3.00%
Subsequent Event \| 3.50% Senior Notes due 2024
Debt instruments
Interest rate			4.75%
Senior notes			$ 500,000
Public offering price as percent of par			97.86%