SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Rollforward of Allowance for Doubtful Accounts (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
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| Accounts Receivable, Allowance for Credit Loss [Roll Forward] | ||||
| Allowance for doubtful accounts, beginning of period | $ 11.8 | $ 13.4 | $ 12.9 | $ 11.2 |
| Current period bad debt expense | 0.3 | 4.4 | 0.0 | 6.9 |
| Write-offs, net of recoveries | (0.9) | (0.9) | (1.7) | (1.2) |
| Allowance for doubtful accounts, end of period | $ 11.2 | $ 16.9 | $ 11.2 | $ 16.9 |
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- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of direct write-downs of accounts receivable charged against the allowance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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