FAIR VALUE OF FINANCIAL INSTRUMENTS (Table)

3 Months Ended

Mar. 31, 2022

Fair Value Disclosures [Abstract]

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]

	March 31, 2022				December 31, 2021
(In thousands)	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Revolving credit agreement, due 2023	$	213,900	$	213,900	$	93,900	$	93,900
3.70% Senior notes due 2023	202,500		204,456		202,500		208,086
3.85% Senior notes due 2025	90,000		90,363		90,000		95,246
4.24% Senior notes due 2026	200,000		204,427		200,000		218,421
4.05% Senior notes due 2028	67,500		68,571		67,500		73,783
4.11% Senior notes due 2028	90,000		91,645		90,000		98,854
3.10% Senior notes due 2030	150,000		142,137		150,000		154,832
3.20% Senior notes due 2032	150,000		141,071		150,000		154,875
Total debt	1,163,900		1,156,570		1,043,900		1,097,997
Debt issuance costs, net	(908)		(908)		(949)		(949)
Unamortized interest rate swap proceeds	7,252		7,252		7,659		7,659
Total debt, net	$	1,170,244	$	1,162,914	1,050,610		1,104,707