Debt and Credit Agreements (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of Long-term Debt and Credit Agreements

The Company's debt and credit agreements consisted of the following:

	December 31,
(In thousands)	2020		2019
Total debt
6.51% weighted-average senior notes (1)	$	37,000	$	124,000
5.58% weighted-average senior notes (2)	175,000		175,000
3.65% weighted-average senior notes (3)	925,000		925,000
Revolving credit facility	—		—
Unamortized debt issuance costs	(3,076)		(3,975)
	$	1,133,924	$	1,220,025

_______________________________________________________________________________

(1)Includes $87.0 million of current portion of long-term debt at December 31, 2019, which the Company repaid in July 2020.

(2)Includes $88.0 million of current portion of long-term debt at December 31, 2020, which the Company repaid in January 2021.

(3)Includes $100.0 million of current portion of long-term debt at December 31, 2020 due in September 2021.

The notes have bullet maturities and were issued in three separate tranches as follows:

	Principal		Term	Maturity Date	Coupon
Tranche 1	$	245,000,000	10 years	July 2018	6.44	%
Tranche 2	$	100,000,000	12 years	July 2020	6.54	%
Tranche 3	$	80,000,000	15 years	July 2023	6.69	%

The notes have bullet maturities and were issued in three separate tranches as follows:

	Principal		Term	Maturity Date	Coupon
Tranche 1	$	88,000,000	10 years	January 2021	5.42	%
Tranche 2	$	25,000,000	12 years	January 2023	5.59	%
Tranche 3	$	62,000,000	15 years	January 2026	5.80	%

The notes have bullet maturities and were issued in three separate tranches as follows:

	Principal		Term	Maturity Date	Coupon
Tranche 1	$	100,000,000	7 years	September 2021	3.24	%
Tranche 2	$	575,000,000	10 years	September 2024	3.67	%
Tranche 3	$	250,000,000	12 years	September 2026	3.77	%