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BASIS OF PRESENTATION - Narrative (Details) - 2025 Notes $ in Millions | Feb. 04, 2020 USD ($)
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New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Convertible debt | $ 575.0
Convertible Debt |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Convertible notes, interest rate | 0.50%

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