VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Allowance for doubtful accounts
Movement in Valuation Allowances and Reserves
Balance at Beginning of Period	$ 13.6	$ 13.7	$ 12.8
Charged to Costs and Expenses	4.7	2.2	2.9
Charged to Other Accounts	0.2	1.0	0.0
Deductions From Reserves	(3.8)	(3.3)	(2.0)
Balance at End of Period	14.7	13.6	13.7
Tax valuation allowance
Movement in Valuation Allowances and Reserves
Balance at Beginning of Period	46.7	41.6	47.7
Charged to Costs and Expenses	18.9	7.1	(8.9)
Charged to Other Accounts	0.2	(1.8)	2.8
Deductions From Reserves	0.0	(0.2)	0.0
Balance at End of Period	$ 65.8	$ 46.7	$ 41.6

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 valuation and qualifying accounts and reserves.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690

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Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense.

+ References

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- Definition

Amount of increase in valuation and qualifying accounts and reserves from charge to accounts other than cost and expense.

+ References

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