LONG-TERM DEBT, NET - Summary (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jan. 01, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Long-term debt	$ 3,892,499		$ 3,892,500
Less: Unamortized original issue discount	5,422		6,029
Less: Unamortized debt issuance costs	39,181		45,541
Total long-term debt, net	3,847,896	$ 3,840,930	3,840,930
Credit Facility \| Revolving Credit Facility due February 13, 2025 (the “Credit Facility”)
Debt Instrument [Line Items]
Long-term debt	0		0
Term Loan \| Term Loan
Debt Instrument [Line Items]
Long-term debt	425,000		425,000
Total long-term debt, net	425,000		425,000
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		500,000
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		500,000
Stated interest rate (as a percent)	4.125%
Senior Notes \| 2022 Exchangeable Notes
Debt Instrument [Line Items]
Long-term debt	$ 517,499		517,500
Less: Unamortized original issue discount	3,754		6,511
Total long-term debt, net	$ 513,745		510,989
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	7,522		8,700
Total long-term debt, net	$ 567,478		566,300
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	8,883		9,627
Total long-term debt, net	$ 566,117		$ 565,373
Stated interest rate (as a percent)	2.00%

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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

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Amount, after accumulated amortization, of debt discount (premium).

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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