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DEBT (Tables)

12 Months Ended

Dec. 31, 2022

Debt Instrument [Line Items]

Schedule of debt

At December 31, 2022 and 2021, debt consisted of the following:

​

​	​	​	​	​	​	​
​	​	December 31,
​		2022			2021
Long-term debt		​			​
Senior Unsecured Notes due through 2045, interest at 2.8% to 4.0% (net of debt issuance costs of $1,585 and $1,074 at December 31, 2022 and 2021, respectively)	​	$	703,124	​	$	704,313
Term Loan due through 2025	​	​	400,000	​	​	—
Other borrowings due through 2030, interest up to 16.0%	​		18,311	​		13,542
​	​		1,121,435	​		717,855
Less current portion	​		11,039	​		766
Long-term debt, less current portion	​		1,110,396	​		717,089
Short-term debt	​		​	​
Amounts due banks, weighted average interest at 4.0% in 2022 and 1.8% in 2021	​		82,444	​		51,964
Current portion long-term debt	​		11,039	​		766
Total short-term debt	​		93,483	​		52,730
Total debt	​	$	1,203,879	​	$	769,819

​

Senior Notes [Member]

Debt Instrument [Line Items]

Schedule of debt

The maturity and interest rates of the 2015 Notes and 2016 Notes are as follows:

​

​	​	​	​	​	​	​	​	​
​		Amount			Maturity Date		Interest Rate
2015 Notes		​						​
Series A	​	$	100,000	​	August 20, 2025		3.15	%
Series B	​		100,000	​	August 20, 2030		3.35	%
Series C	​		50,000	​	April 1, 2035		3.61	%
Series D	​		100,000	​	April 1, 2045		4.02	%
2016 Notes	​			​				​
Series A	​	$	100,000	​	October 20, 2028		2.75	%
Series B	​		100,000	​	October 20, 2033		3.03	%
Series C	​		100,000	​	October 20, 2037		3.27	%
Series D	​		50,000	​	October 20, 2041		3.52	%

​

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