Amortization Period of Transaction Costs Attributable to Liability Component of Convertible Debt

No definition available.

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- Definition

Represents the number of trading days prior to the date on which the entity provides notice of redemption during which the closing price of the entity's common stock must exceed the conversion price for the notes to be redeemed.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of premium added to the last reported sale price of the common stock of the entity to arrive at the conversion price of the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Convertible, Assumed Borrowing Rate

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Convertible, Carrying Amount of Liability Component

+ References

No definition available.

+ Details

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- Definition

Debt market price, per $1,000 principal amount.

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Percentage of Last Reported Sale Price Of Common Stock

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Represents the percentage of principal amount used in computation of the redemption price to be paid on conversion of convertible notes.

+ References

No definition available.

+ Details

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- Definition

Represents the principal amount of notes used as a denominator for purposes of computing the conversion ratio of convertible debt.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Deferred Tax Expense Associated to the Equity Component of Convertible Debt

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

The number of trading days in a settlement period for convertible debt conversion requests.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Transaction Costs Attributable to the Equity Component of Convertible Debt

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

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Period Type:	instant

- Definition

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

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

+ References

No definition available.

+ Details

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- Definition

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

+ References

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Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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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.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Represents the charge against earnings during the period for commitment fees and debt issuance expenses.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Balance Type:	debit
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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

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Balance Type:	credit
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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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- Details

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DEBT - Narrative (Details)			3 Months Ended		9 Months Ended
DEBT - Narrative (Details)	Jul. 10, 2020 USD ($)	Mar. 13, 2017 USD ($) segment $ / shares	Sep. 30, 2020 USD ($) segment $ / shares	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) $ / shares	Sep. 30, 2019 USD ($)	Jul. 07, 2020 USD ($) $ / shares	Mar. 07, 2017 $ / shares
DEBT AND FINANCING OBLIGATIONS
Settlement period - convertible debt conversion request					40 days
Debt instrument, principal amount denominator for conversion into common stock			$ 1,000		$ 1,000		$ 1,000
Closing sale price (in dollars per share) \| $ / shares			$ 60.12		$ 60.12
Deferred tax associated with equity component of convertible debt			$ 20,450,000		$ 20,450,000
Amortization period of transaction costs attributable to liability component of convertible debt					5 years
Transaction costs attributable to equity component of convertible debt					$ 2,700,000
Loss on early extinguishment of debt			8,071,000	$ 0	$ 8,071,000	$ 0
Convertible Senior Notes Due 2022
DEBT AND FINANCING OBLIGATIONS
Settlement period - convertible debt conversion request					40 days
Initial conversion rate of common stock per $1,000 of principal amount of Notes		0.0149491
Debt instrument, principal amount denominator for conversion into common stock		$ 1,000
Initial conversion price of notes into common stock (in dollars per share) \| $ / shares		$ 66.89
Convertible debt, premium on common stock		37.50%
Closing sale price (in dollars per share) \| $ / shares								$ 48.65
Convertible Senior Notes Due 2022 \| Conversion terms prior to close of business on business day immediately proceeding October 1, 2021
DEBT AND FINANCING OBLIGATIONS
Threshold trading days \| segment		20
Threshold consecutive trading days \| segment		30
Threshold percentage stock price trigger		130.00%
Market price per $1000 of principal amount of notes			$ 1,149		$ 1,149
Convertible Senior Notes Due 2022 \| Debt Redemption Terms on or after April 1, 2020
DEBT AND FINANCING OBLIGATIONS
Threshold trading days \| segment		20
Threshold consecutive trading days \| segment		30
Threshold percentage stock price trigger		130.00%
Debt instrument, percentage of principal amount for computation of redemption price		100.00%
Conversion obligation, number of trading days prior to date of notice of redemption		5 days
Convertible Senior Notes Due 2025
DEBT AND FINANCING OBLIGATIONS
Percentage of last sale price of common stock			98.00%
Initial conversion rate of common stock per $1,000 of principal amount of Notes					13.9324
Initial conversion price of notes into common stock (in dollars per share) \| $ / shares		$ 71.78					$ 71.78
Convertible debt, premium on common stock							32.50%
Closing sale price (in dollars per share) \| $ / shares							$ 54.17
Market price per $1000 of principal amount of notes			$ 1,096		$ 1,096
Debt instrument, percentage of principal amount for computation of redemption price			100.00%
Convertible Senior Notes Due 2025 \| Debt Conversion Terms Business Day Immediately Preceding February 3, 2020
DEBT AND FINANCING OBLIGATIONS
Threshold trading days \| segment			20
Threshold consecutive trading days \| segment			30
Threshold percentage stock price trigger			130.00%
Convertible Senior Notes Due 2025 \| Debt Redemption Terms on or after August 1, 2023
DEBT AND FINANCING OBLIGATIONS
Threshold trading days \| segment			20
Threshold consecutive trading days \| segment			30
Threshold percentage stock price trigger			130.00%
Debt instrument, percentage of principal amount for computation of redemption price			100.00%
Unsecured Debt \| Convertible Senior Notes Due 2022
DEBT AND FINANCING OBLIGATIONS
Debt instrument, face amount	$ 160,000,000.0
Stated interest rate (as a percent)	2.375%	2.375%	2.375%		2.375%
Debt issued in private placement		$ 345,000,000.0
Debt instrument, repurchased face amount	$ 185,000,000.0
Repayments of debt	211,100,000
Loss on early extinguishment of debt	8,100,000
Unsecured Debt \| Convertible Senior Notes Due 2025
DEBT AND FINANCING OBLIGATIONS
Debt instrument, face amount	$ 402,500,000
Stated interest rate (as a percent)	0.75%		0.75%		0.75%
Debt issued in private placement		$ 390,000,000.0			$ 402,500,000
Convertible Debt \| Convertible Senior Notes Due 2025
DEBT AND FINANCING OBLIGATIONS
Convertible debt, carrying amount of liability component			$ 314,700,000		$ 314,700,000
Assumed borrowing rate			5.78%		5.78%
Convertible debt, carrying amount of equity component			$ 87,800,000		$ 87,800,000
Amortization period of equity component of convertible debt					5 years
Total transaction costs					$ 12,500,000