Note 8 - Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2024

Table Text Block [Abstract]

Schedule of Foreign Exchange Contracts, Statement of Financial Position

As of June 30, 2024 and December 31, 2023, we recorded the following balances for the fair value of the foreign currency forward contracts (in millions):

	June 30,			December 31,
Balance sheet line item:	2024			2023
Other current assets	$	—		$	2.7
Other non-current assets	$	0.1		$	2.0
Other current liabilities	$	(3.6	)	$	(1.1	)
Other non-current liabilities	$	(1.1	)	$	(0.4	)

Schedule of Notional Amounts of Outstanding Derivative Positions

The following tables summarize the quantities of metals committed under forward metals contracts at June 30, 2024 and December 31, 2023:

June 30, 2024	Ounces/pounds under contract (in 000's except gold)							Average price per ounce/pound
	Silver		Gold	Zinc		Lead		Silver		Gold	Zinc		Lead
	(ounces)		(ounces)	(pounds)		(pounds)		(ounces)		(ounces)	(pounds)		(pounds)
Contracts on provisional sales
2024 settlements		2,250	-		8,488		15,322	$	29.83	N/A	$	1.29	$	0.99
Contracts on forecasted sales
2024 settlements	-		-		13,173		19,842	N/A		N/A	$	1.34	$	0.96
2025 settlements	-		-		9,700		63,824	N/A		N/A		1.40	$	0.98

December 31, 2023	Ounces/pounds under contract (in 000's except gold)								Average price per ounce/pound
	Silver		Gold		Zinc		Lead		Silver		Gold		Zinc		Lead
	(ounces)		(ounces)		(pounds)		(pounds)		(ounces)		(ounces)		(pounds)		(pounds)
Contracts on provisional sales
2023 settlements		735		3		441		15,542	$	24.40	$	2,045	$	1.51	$	1.00
Contracts on forecasted sales
2024 settlements		—		—		—		56,713	N/A		N/A		N/A		$	0.98
2025 settlements		—		—		—		49,273	N/A		N/A		N/A		$	0.98

Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location

We recorded the following balances for the fair value of the forward metals contracts as of June 30, 2024 and December 31, 2023 (in millions):

	June 30,			December 31,
Balance sheet line item:	2024			2023
Other current assets	$	0.2		$	3.1
Other non-current assets	$	—		$	1.5
Other current liabilities	$	(1.5	)	$	(0.1	)
Other non-current liabilities	$	(1.2	)	$	—