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REVENUE FROM CONTRACTS WITH CUSTOMERS - Remaining Performance Obligations (Details) $ in Millions	Dec. 31, 2021 USD ($)
Revenue from Contract with Customer [Abstract]
Amount of remaining performance obligation	$ 723.5
Revenue from Contracts with Customers
Amount of remaining performance obligation	723.5
International Solutions
Revenue from Contract with Customer [Abstract]
Amount of remaining performance obligation	22.0
Revenue from Contracts with Customers
Amount of remaining performance obligation	22.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Revenue from Contract with Customer [Abstract]
Amount of remaining performance obligation	$ 499.6
Revenue from Contracts with Customers
Expected timing of satisfaction for remaining performance obligation	9 months
Amount of remaining performance obligation	$ 499.6
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-10-01
Revenue from Contract with Customer [Abstract]
Amount of remaining performance obligation	$ 168.7
Revenue from Contracts with Customers
Expected timing of satisfaction for remaining performance obligation	12 months
Amount of remaining performance obligation	$ 168.7
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01
Revenue from Contract with Customer [Abstract]
Amount of remaining performance obligation	$ 74.9
Revenue from Contracts with Customers
Expected timing of satisfaction for remaining performance obligation	12 months
Amount of remaining performance obligation	$ 74.9

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045

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Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045

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