COMMITMENTS AND CONTINGENCIES - Prepayment agreement (Details) - Auramet International LLC ("Auramet") - Prepayment Agreement - Guarantee Obligation - Precious metal $ in Millions	3 Months Ended
Mar. 31, 2026 USD ($) oz	Mar. 31, 2025 USD ($) oz
Other Commitments
Net proceeds from sales on a Supplier Advance Basis	$ 34.4	$ 27.8
Revenue from sales on a Supplier Advance Basis	32.6	29.8
Remaining net proceeds recorded as deferred revenue	$ 1.8	$ 1.5
Number of ounces of gold pledged but not delivered \| oz	400	500

Represents the number of ounces of gold pledged but not delivered.

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- Definition

The cash inflow from sale of precious metals under a Supplier Advance Basis.

+ References

No definition available.

+ Details

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- Definition

The revenue from sale of precious metals under a Supplier Advance Basis.

+ References

No definition available.

+ Details

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- Definition

Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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