DEBT (Tables)

6 Months Ended

Jun. 30, 2022

DEBT [Abstract]

Debt

	Effective	June 30	December 31	June 30
in millions	Interest Rates	2022	2021	2021
Short-term Debt
Bank line of credit expires 2026 1		$          176.0	$            0.0	$            0.0
Total short-term debt		$          176.0	$            0.0	$            0.0
Long-term Debt
Bank line of credit expires 2026 1		$              0.0	$            0.0	$            0.0
Delayed draw term loan expires 2026		1,100.0	1,100.0	0.0
8.85% notes due 2021		0.0	0.0	6.0
4.50% notes due 2025	4.65%	400.0	400.0	400.0
3.90% notes due 2027	4.00%	400.0	400.0	400.0
3.50% notes due 2030	3.94%	750.0	750.0	750.0
7.15% notes due 2037	8.05%	129.2	129.2	129.2
4.50% notes due 2047	4.59%	700.0	700.0	700.0
4.70% notes due 2048	5.42%	460.9	460.9	460.9
Other notes	0.42%	1.8	9.5	11.3
Total long-term debt - face value		$       3,941.9	$     3,949.6	$     2,857.4
Unamortized discounts and debt issuance costs		(67.7)	(69.6)	(72.1)
Total long-term debt - book value		$       3,874.2	$     3,880.0	$     2,785.3
Less current maturities		0.5	5.2	15.4
Total long-term debt - reported value		$       3,873.7	$     3,874.8	$     2,769.9
Estimated fair value of long-term debt		$       3,792.5	$     4,418.5	$     3,345.4

¹ Borrowings on the bank line of credit are classified as short-term if we intend to repay within twelve months and as long-term if we have the intent and ability to extend payment beyond twelve months.

Standby Letters of Credit

in millions
Standby Letters of Credit
Risk management insurance	$          95.4
Reclamation/restoration requirements	7.5
Total	$        102.9