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FINANCING: (Details) - USD ($) $ in Millions		9 Months Ended
	Feb. 12, 2025	Sep. 30, 2025
FINANCING:
Issuance costs		$ 6.4
5.625% Senior unsecured notes Due 2032 | Minera Mexico S.A. de C.V. Notes
FINANCING:
Face amount	$ 1,000.0
Interest rate (as a percent)	5.625%
Issuance discount	$ 6.2
Issuance costs	$ 6.4

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