COMMITMENTS AND CONTINGENCIES - Prepayment agreement (Details) - Auramet International LLC - Prepayment Agreement - Guarantee Obligation - Precious metal - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Other Commitments
Net proceeds from sales on a Supplier Advance Basis	$ 0.0	$ 29.4	$ 4.8	$ 52.2
Revenue from sales on a Supplier Advance Basis			4.8	$ 47.2
Remaining net proceeds recorded as deferred revenue	$ 0.0		$ 0.0

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

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- Definition

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

+ References

No definition available.

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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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+ References

No definition available.

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