Note 8 - Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2025

Table Text Block [Abstract]

Schedule of Foreign Exchange Contracts, Statement of Financial Position

As of June 30, 2025 and December 31, 2024, 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:	2025			2024
Other current assets	$	3.7		$	—
Other non-current assets	$	0.3		$	—
Other current liabilities	$	(1.1	)	$	(8.2	)
Other non-current liabilities	$	(0.1	)	$	(2.0	)

Schedule of Notional Amounts of Outstanding Derivative Positions

The following tables summarize the quantities of metals committed under forward metals contracts at June 30, 2025 and December 31, 2024:

June 30, 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		870		1		20,889		10,637	$	35.52		3,463	$	1.41	$	0.99
Contracts on forecasted sales
2025 settlements		—		—		16,976		20,117	N/A		N/A		$	1.38	$	1.00
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 the Quantities of Metals Committed

The following table summarize the quantities of metals committed under collars at June 30, 2025.

Settlement Period	Production Protected		Minimum Price		Maximum Price
	(ounces)		($)		($)
Contracts on provisional sales
2025 settlements		100,000		33.50		35.43
Contracts on forecasted sales
2025 settlements		1,515,000		30.07		41.15
2026 settlements		150,000		32.00		49.42

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 and collar contracts as of June 30, 2025 and December 31, 2024 (in millions):

	June 30,			December 31,
Balance sheet line item:	2025			2024
Other current assets	$	10.2		$	11.5
Other non-current assets	$	2.4		$	6.6
Other current liabilities	$	(0.5	)	$	—
Other non-current liabilities	$	—		$	—