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DEBT - Convertible Senior Notes Narrative (Details)	1 Months Ended
	Feb. 29, 2020 USD ($) tradingDay $ / shares
Debt Instrument [Line Items]
Redemption percentage	100.00%
On or after March 1, 2023
Debt Instrument [Line Items]
Redemption percentage	100.00%
Convertible debt
Debt Instrument [Line Items]
Face amount | $	$ 600,000,000
Interest rate	0.75%
Initial conversion rate	7.4045
Debt conversion amount | $	$ 1,000
Initial conversion price (in dollars per share) | $ / shares	$ 135.05
Debt issuance costs | $	$ (14,527,000)
Convertible debt | After the calendar quarter ending on June 30, 2020
Debt Instrument [Line Items]
Threshold percentage of stock price trigger	130.00%
Threshold trading days	20
Threshold consecutive trading days	30
Convertible debt | Measurement period
Debt Instrument [Line Items]
Threshold percentage of stock price trigger	98.00%
Threshold consecutive trading days	5
Threshold consecutive business days	5
Convertible debt | On or after March 1, 2023
Debt Instrument [Line Items]
Threshold percentage of stock price trigger	130.00%
Threshold trading days	20
Threshold consecutive trading days	30

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- Definition

Debt Instrument, Convertible, Consecutive Business Days Immediately Following Threshold Consecutive Trading Days

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The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The rate of interest that was being paid on the original debt issue that is being converted in the noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The price per share of the conversion feature embedded in the debt instrument.

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Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

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Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

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Face (par) amount of debt instrument at time of issuance.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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