Note 8 - Derivative Instruments (Tables)

3 Months Ended

Mar. 31, 2025

Table Text Block [Abstract]

Schedule of Foreign Exchange Contracts, Statement of Financial Position

As of March 31, 2025 and December 31, 2024, we recorded the following balances for the fair value of the foreign currency forward contracts (in millions):

	March 31,			December 31,
Balance sheet line item:	2025			2024
Other current assets	$	0.3		$	—
Other non-current assets	$	0.1		$	—
Other current liabilities	$	(6.4	)	$	(8.2	)
Other non-current liabilities	$	(1.4	)	$	(2.0	)

Schedule of Notional Amounts of Outstanding Derivative Positions

The following tables summarize the quantities of metals committed under forward metals contracts at March 31, 2025 and December 31, 2024:

March 31, 2025	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
2025 settlements		1,848		5		15,487		13,889	$	32.74		2,937	$	1.39	$	0.98
Contracts on forecasted sales
2025 settlements		—		—		41,061		33,069	N/A		N/A		$	1.40	$	0.99
2026 settlements		—		—		16,755		52,911	N/A		N/A		$	1.36	$	1.03

December 31, 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
2025 settlements		1,535		2		20,834		14,661	$	31.46	$	2,673	$	1.40	$	0.97
Contracts on forecasted sales
2025 settlements		—		—		59,194		47,840	N/A		N/A		$	1.39	$	0.99
2026 settlements		—		—		6,283		52,911	N/A		N/A		$	1.41	$	1.03

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 March 31, 2025 and December 31, 2024 (in millions):

	March 31,		December 31,
Balance sheet line item:	2025		2024
Other current assets	$	7.7	$	11.5
Other non-current assets	$	4.7	$	6.6
Other current liabilities	$	—	$	—
Other non-current liabilities	$	—	$	—