Property, plant and equipment (Tables)

12 Months Ended

Dec. 31, 2024

Disclosure of detailed information about property, plant and equipment [abstract]

Summary of property, plant and equipment


	Land and buildings		Plant and equipment		Capital works in progress		Mineral properties		Pre-development properties		Total
Cost
Balance at January 1, 2023	$	243,332	$	2,623,733	$	123,605	$	3,751,842	$	242,701	$	6,985,213
Additions/transfers	2,034		43,352		158,430		225,664		25		429,505




Write-down of assets	—		—		—		(3,183)		—		(3,183)
Other movements/transfers	12,311		100,710		(168,761)		51,269		—		(4,471)
Assets reclassified as held for sale	—		—		—		—		217		217
Disposals	(197)		(3,382)		(731)		(126)		(118)		(4,554)
Capitalized interest	—		—		—		17,087		—		17,087
Balance at December 31, 2023	$	257,480	$	2,764,413	$	112,543	$	4,042,553	$	242,825	$	7,419,814

Balance at January 1, 2024	$	257,480	$	2,764,413	$	112,543	$	4,042,553	$	242,825	$	7,419,814
Additions/transfers	4,903		40,339		109,435		468,395		(952)		622,120

(Write-down) reversal of assets	(1,403)		523		(1,946)		(682)		—		(3,508)
Other movements/transfers	21,446		70,740		(100,867)		(2,782)		(12)		(11,475)

Assets reclassified as held for sale	—		—		—		—		1,217		1,217
Disposals	—		(2,389)		—		(87)		(296)		(2,772)
Capitalized interest	—		—		—		33,839		—		33,839
Balance at December 31, 2024	$	282,426	$	2,873,626	$	119,165	$	4,541,236	$	242,782	$	8,059,235

Accumulated depreciation
Balance at January 1, 2023	$	(89,635)	$	(1,396,127)	$	—	$	(1,899,466)	$	(3,723)	$	(3,388,951)
Depreciation for the year	(21,540)		(143,008)		—		(109,740)		—		(274,288)


Other movements	(106)		(2,387)		—		(676)		(27)		(3,196)
Assets reclassified as held for sale	—		—		—		—		(39)		(39)
Disposals	144		2,035		—		1		39		2,219
Balance at December 31, 2023	$	(111,137)	$	(1,539,487)	$	—	$	(2,009,881)	$	(3,750)	$	(3,664,255)

Balance at January 1, 2024	$	(111,137)	$	(1,539,487)	$	—	$	(2,009,881)	$	(3,750)	$	(3,664,255)
Depreciation for the year	(17,968)		(160,641)		—		(98,247)		—		(276,856)

Write-down of assets	—		(654)		—		—		—		(654)

Other movements/transfers	(35)		(3,165)		—		3,310		(17)		93
Assets reclassified as held for sale	—		—		—		—		(7)		(7)
Disposals	—		1,145		—		—		81		1,226
Balance at December 31, 2024	$	(129,140)	$	(1,702,802)	$	—	$	(2,104,818)	$	(3,693)	$	(3,940,453)

Carrying amounts
At January 1, 2023	$	153,697	$	1,227,606	$	123,605	$	1,852,376	$	238,978	$	3,596,262
At December 31, 2023	$	146,343	$	1,224,926	$	112,543	$	2,032,672	$	239,075	$	3,755,559
Balance at December 31, 2024	$	153,286	$	1,170,824	$	119,165	$	2,436,418	$	239,089	$	4,118,782

Summary of key assumptions used for assessing recoverable amount of company's CGUs versus carrying values

The significant assumptions used for determining the recoverable amount of the Olympias CGU at December 31, 2024 are reflected in the table below.


			2024 Assumptions
Gold price ($/oz)			$2,600 - $2,100
Silver price ($/oz)			$32 - $27
Lead price ($/t)			$2,072 - $2,116
Zinc price ($/t)			$2,646 - $2,778
Real discount rate			6.75% - 7.75%
VBPP value/oz			$40 - $60/oz