SUPPLEMENTAL BALANCE SHEET INFORMATION - Components of Other Assets (Details) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Net overfunded pension plans	$ 108.9	$ 103.0
Capitalized software	75.0	76.0
Judicial deposits	51.3	50.9
Long-term receivables	178.1	157.0
Trust assets associated with supplemental benefit plans	29.8	33.7
Other	16.0	17.9
Other assets	$ 459.1	$ 438.5

Other judicial deposits

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The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations.

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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

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Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans.

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The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle) and amount due to the Entity from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such investments and receivables to an amount that approximates their net realizable value.

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Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer.

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Amount of noncurrent assets classified as other.

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