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Debt and Credit Agreements (Tables)
9 Months Ended
Sep. 30, 2020
Debt Disclosure [Abstract]  
Debt and credit agreement components
The Company’s debt and credit agreements consisted of the following:
(In thousands)September 30,
2020
December 31,
2019
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 facility28,000 — 
Unamortized debt issuance costs(3,288)(3,975)
$1,161,712 $1,220,025 
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(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 September 30, 2020 due in January 2021.
(3)Includes $100.0 million of current portion of long-term debt at September 30, 2020 due in September 2021.