| LEASES - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended | ||
|---|---|---|---|
| Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | |
| Lessee, Lease, Description [Line Items] | |||
| Operating lease expense | $ 40.8 | $ 41.3 | $ 34.5 | 
| Operating lease, remaining lease term (in years) | 6 years | ||
| Operating lease, renewal term | 5 years | ||
| Operating lease, termination period | 1 year | ||
| Minimum | |||
| Lessee, Lease, Description [Line Items] | |||
| Operating lease, remaining lease term (in years) | 1 year | ||
| Maximum | |||
| Lessee, Lease, Description [Line Items] | |||
| Operating lease, remaining lease term (in years) | 14 years | ||
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- Definition Lessee, Operating Lease, Termination Period No definition available. 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Amount of operating lease expense. Excludes sublease income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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