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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

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- Definition

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

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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- Definition

Amount of investment in equity security without readily determinable fair value.

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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.

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No definition available.

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Fair value portion of an agreement for an unconditional promise by the maker to pay the holder a definite sum of money at a future date.

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- Definition

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

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No definition available.

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FINANCIAL INSTRUMENTS - Fair Value of Liabilities Measured on a Recurring Basis (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	12 Months Ended
	Dec. 31, 2021	Jul. 07, 2020	Mar. 13, 2017	Mar. 07, 2017
Estimate of Fair Value Measurement \| Level 1
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Equity investments	$ 0
Convertible notes receivable	0
Acquisition-related contingent consideration	0
Estimate of Fair Value Measurement \| Level 1 \| 7.000% Term Loan B Facility Maturing 2026 \| Term Loan
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Convertible senior notes	0
Estimate of Fair Value Measurement \| Level 1 \| Convertible Senior Notes Due 2022 \| Unsecured Debt
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Convertible senior notes	0
Estimate of Fair Value Measurement \| Level 1 \| Convertible Senior Notes Due 2025 \| Unsecured Debt
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Convertible senior notes	0
Estimate of Fair Value Measurement \| Level 1 \| 3.375% Convertible Senior Notes Due 2024 \| Unsecured Debt
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Convertible senior notes	0
Estimate of Fair Value Measurement \| Level 2
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Equity investments	0
Convertible notes receivable	0
Acquisition-related contingent consideration	0
Estimate of Fair Value Measurement \| Level 2 \| 7.000% Term Loan B Facility Maturing 2026 \| Term Loan
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Convertible senior notes	371,250
Estimate of Fair Value Measurement \| Level 2 \| Convertible Senior Notes Due 2022 \| Unsecured Debt
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Convertible senior notes	166,200
Estimate of Fair Value Measurement \| Level 2 \| Convertible Senior Notes Due 2025 \| Unsecured Debt
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Convertible senior notes	447,781
Estimate of Fair Value Measurement \| Level 2 \| 3.375% Convertible Senior Notes Due 2024 \| Unsecured Debt
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Convertible senior notes	201,552
Estimate of Fair Value Measurement \| Level 3
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Equity investments	14,127
Convertible notes receivable	4,132
Acquisition-related contingent consideration	57,598
Estimate of Fair Value Measurement \| Level 3 \| 7.000% Term Loan B Facility Maturing 2026 \| Term Loan
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Convertible senior notes	0
Estimate of Fair Value Measurement \| Level 3 \| Convertible Senior Notes Due 2022 \| Unsecured Debt
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Convertible senior notes	0
Estimate of Fair Value Measurement \| Level 3 \| Convertible Senior Notes Due 2025 \| Unsecured Debt
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Convertible senior notes	0
Estimate of Fair Value Measurement \| Level 3 \| 3.375% Convertible Senior Notes Due 2024 \| Unsecured Debt
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Convertible senior notes	$ 0
Closing sale price (in dollars per share)	$ 60.17
Convertible Senior Notes Due 2022
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Closing sale price (in dollars per share)				$ 48.65
Initial conversion price of notes into common stock (in dollars per share)	$ 66.89		$ 66.89
Convertible Senior Notes Due 2022 \| Maximum
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Debt instrument, convertible, conversion premium (in shares)	2.4
Convertible Senior Notes Due 2025
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Closing sale price (in dollars per share)		$ 54.17
Initial conversion price of notes into common stock (in dollars per share)	$ 71.78	$ 71.78
Convertible Senior Notes Due 2025 \| Maximum
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Debt instrument, convertible, conversion premium (in shares)	5.6
Carrying Value
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Equity investments	$ 14,127
Convertible notes receivable	4,132
Acquisition-related contingent consideration	57,598
Carrying Value \| 7.000% Term Loan B Facility Maturing 2026 \| Term Loan
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Convertible senior notes	359,497
Carrying Value \| Convertible Senior Notes Due 2022 \| Unsecured Debt
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Convertible senior notes	157,857
Carrying Value \| Convertible Senior Notes Due 2025 \| Unsecured Debt
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Convertible senior notes	330,627
Carrying Value \| 3.375% Convertible Senior Notes Due 2024 \| Unsecured Debt
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis:
Convertible senior notes	$ 201,249