Financial assets and liabilities - Cross currency interests rate swaps (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Disclosure of detailed information about financial instruments [line items]
Derivative financial instruments used to hedge foreign currency and interest rate risk		$ 3.0
Cross currency interest rate swaps
Disclosure of detailed information about financial instruments [line items]
Derivative financial instruments used to hedge foreign currency and interest rate risk	$ 0.4
Net liability		$ 3.0

The amount of a hedged item, recognised as a liability. [Refer: Hedged items [domain]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2025-01-01
-Paragraph 24B
-Subparagraph a
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_24B_a_i&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 61
-Subparagraph a
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_61_a_i&doctype=Standard
-URIDate 2025-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 61
-Subparagraph a
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_61_a_i&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_HedgedItemLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant