DEBT (Table)

12 Months Ended

Dec. 31, 2021

Debt Instruments [Abstract]

Summary of Debt

Debt consists of the following as of December 31:

(In thousands)	2021		2021		2020		2020
	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Revolving credit agreement, due 2023	$	93,900	$	93,900	$	—	$	—
3.84% Senior notes due 2021	—		—		100,000		102,173
3.70% Senior notes due 2023	202,500		208,086		202,500		211,790
3.85% Senior notes due 2025	90,000		95,246		90,000		97,429
4.24% Senior notes due 2026	200,000		218,421		200,000		224,390
4.05% Senior notes due 2028	67,500		73,783		67,500		75,440
4.11% Senior notes due 2028	90,000		98,854		90,000		101,047
3.10% Senior notes due 2030	150,000		154,832		150,000		155,805
3.20% Senior notes due 2032	150,000		154,875		150,000		155,048
Total debt	1,043,900		1,097,997		1,050,000		1,123,122
Debt issuance costs, net	(949)		(949)		(1,147)		(1,147)
Unamortized interest rate swap proceeds (1)	7,659		7,659		9,439		9,439
Total debt, net	1,050,610		1,104,707		1,058,292		1,131,414
Less: current portion of long-term debt	—		—		100,000		100,000
Total long-term debt	$	1,050,610	$	1,104,707	$	958,292	$	1,031,414

(1) Represents the gain from termination of the Corporation's interest rate swap agreements on its 3.85% and 4.24% Senior Notes in February 2016, which will be amortized into interest expense over the remaining terms of the respective notes.

Aggregate Maturities of Debt

Aggregate maturities of debt are as follows:

(In thousands)
2022	$	—
2023	296,400
2024	—
2025	90,000
2026	200,000
Thereafter	457,500
Total	$	1,043,900