SIGNIFICANT ACCOUNTING POLICIES - CAPITAL CONSTRUCTION FUND (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Accounts receivable, net	$ 371.4	$ 343.7
Cash Deposits Into CCF	10.7
Withdrawals from CCF	10.7
Eligible Accounts Receivable Assigned to CCF
Accounts receivable, net	9.8	$ 9.8
Cash Deposits Into CCF	10.7
Withdrawals from CCF	$ 10.7

The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) 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 receivables to an amount that approximates their net realizable value.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant