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LONG-TERM DEBT, NET - Summary (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 11, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Long-term debt	$ 3,892,500		$ 3,292,500
Less: unamortized original issue discount	324,551		357,887
Less: Unamortized debt issuance costs	46,857		44,987
Total long-term debt, net	3,521,092		2,889,626
Credit Facility \| Credit Facility due December 7, 2023
Debt Instrument [Line Items]
Long-term debt	0		0
Term Loan \| Term Loan
Debt Instrument [Line Items]
Long-term debt	425,000		425,000
Senior Notes \| 6.375% Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 0		400,000
Less: unamortized original issue discount		$ (12,800)
Less: Unamortized debt issuance costs		$ 2,900
Stated interest rate (as a percent)	6.375%
Senior Notes \| 5.00% Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 450,000		450,000
Stated interest rate (as a percent)	5.00%
Senior Notes \| 4.625% Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 500,000		0
Stated interest rate (as a percent)	4.625%
Senior Notes \| 5.625% Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 350,000		350,000
Stated interest rate (as a percent)	5.625%
Senior Notes \| 4.125% Senior Notes
Debt Instrument [Line Items]
Long-term debt	$ 500,000		0
Stated interest rate (as a percent)	4.125%
Senior Notes \| 2022 Exchangeable Notes
Debt Instrument [Line Items]
Long-term debt	$ 517,500		517,500
Less: unamortized original issue discount	$ 30,204		40,768
Stated interest rate (as a percent)	0.875%
Senior Notes \| 2026 Exchangeable Notes
Debt Instrument [Line Items]
Long-term debt	$ 575,000		575,000
Less: unamortized original issue discount	$ 116,207		129,037
Stated interest rate (as a percent)	0.875%
Senior Notes \| 2030 Exchangeable Notes
Debt Instrument [Line Items]
Long-term debt	$ 575,000		575,000
Less: unamortized original issue discount	$ 171,912		$ 181,800
Stated interest rate (as a percent)	2.00%