Debt - Schedule of Long Term Debt (Details) $ in Thousands, $ in Thousands	Jun. 30, 2022 USD ($)	Jun. 30, 2022 AUD ($)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 10,169,622		$ 9,364,451
UNAMORTIZED DEFERRED FINANCING COSTS	(89,706)		(92,510)
CARRYING AMOUNT	10,079,916		9,271,941
Long-term debt, gross, current maturities	(86,790)		(310,084)
Long term debt, gross, net of current portion	10,082,832		9,054,367
Unamortized deferred financing costs, current	0		656
Unamortized deferred financing costs, noncurrent	(89,706)		(91,854)
Carrying amount, current maturities	(86,790)		(309,428)
Carrying amount, excluding current maturities	9,993,126		8,962,513
Australian Dollar Term Loan (the "AUD Term Loan")
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	207,221	$ 303,965	223,182
UNAMORTIZED DEFERRED FINANCING COSTS	(519)		(656)
CARRYING AMOUNT	206,702		222,526
FAIR VALUE	207,221		223,530
Real Estate Mortgages, Financing Lease Liabilities and Other
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	423,934		460,648
UNAMORTIZED DEFERRED FINANCING COSTS	(706)		(840)
CARRYING AMOUNT	423,228		459,808
FAIR VALUE	423,934		460,648
Accounts Receivable Securitization Program
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	313,200		0
UNAMORTIZED DEFERRED FINANCING COSTS	(607)		(450)
CARRYING AMOUNT	312,593		(450)
FAIR VALUE	313,200		0
New Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	578,000		0
UNAMORTIZED DEFERRED FINANCING COSTS	(9,006)		(5,174)
CARRYING AMOUNT	568,994		(5,174)
FAIR VALUE	578,000		0
Term Loan A \| Term Loan Facility
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	246,875		203,125
UNAMORTIZED DEFERRED FINANCING COSTS	0		0
CARRYING AMOUNT	246,875		203,125
FAIR VALUE	246,875		203,125
Term Loan B \| Term Loan Facility
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	669,460		672,847
UNAMORTIZED DEFERRED FINANCING COSTS	(4,371)		(4,995)
CARRYING AMOUNT	665,089		667,852
FAIR VALUE	670,250		675,500
UK Bilateral Revolving Credit Facility (the "UK Bilateral Facility") \| Revolving Credit Facility
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	170,057		189,168
UNAMORTIZED DEFERRED FINANCING COSTS	(334)		(709)
CARRYING AMOUNT	169,723		188,459
FAIR VALUE	$ 170,057		189,168
37/8% GBP Senior Notes due 2025 (the "GBP Notes") \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)	3.875%	3.875%
DEBT (INCLUSIVE OF DISCOUNT)	$ 485,875		540,481
UNAMORTIZED DEFERRED FINANCING COSTS	(3,058)		(3,912)
CARRYING AMOUNT	482,817		536,569
FAIR VALUE	$ 436,996		542,508
47/8% Senior Notes due 2027 (the “47/8% Notes due 2027”) \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)	4.875%	4.875%
DEBT (INCLUSIVE OF DISCOUNT)	$ 1,000,000		1,000,000
UNAMORTIZED DEFERRED FINANCING COSTS	(7,465)		(8,176)
CARRYING AMOUNT	992,535		991,824
FAIR VALUE	$ 895,000		1,030,000
51/4% Senior Notes due 2028 (the “51/4% Notes due 2028”) \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)	5.25%	5.25%
DEBT (INCLUSIVE OF DISCOUNT)	$ 825,000		825,000
UNAMORTIZED DEFERRED FINANCING COSTS	(6,790)		(7,380)
CARRYING AMOUNT	818,210		817,620
FAIR VALUE	$ 738,375		862,125
5% Senior Notes due 2028 (the “5% Notes due 2028”) \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)	5.00%	5.00%
DEBT (INCLUSIVE OF DISCOUNT)	$ 500,000		500,000
UNAMORTIZED DEFERRED FINANCING COSTS	(4,401)		(4,763)
CARRYING AMOUNT	495,599		495,237
FAIR VALUE	$ 442,500		513,750
47/8% Senior Notes due 2029 (the “47/8% Notes due 2029”) \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)	4.875%	4.875%
DEBT (INCLUSIVE OF DISCOUNT)	$ 1,000,000		1,000,000
UNAMORTIZED DEFERRED FINANCING COSTS	(10,488)		(11,211)
CARRYING AMOUNT	989,512		988,789
FAIR VALUE	$ 850,000		1,022,500
51/4% Senior Notes due 2030 (the “51/4 Notes due 2030”) \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)	5.25%	5.25%
DEBT (INCLUSIVE OF DISCOUNT)	$ 1,300,000		1,300,000
UNAMORTIZED DEFERRED FINANCING COSTS	(12,159)		(12,911)
CARRYING AMOUNT	1,287,841		1,287,089
FAIR VALUE	$ 1,118,000		1,355,250
41/2% Senior Notes due 2031 (the “41/2% Notes”) \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)	4.50%	4.50%
DEBT (INCLUSIVE OF DISCOUNT)	$ 1,100,000		1,100,000
UNAMORTIZED DEFERRED FINANCING COSTS	(10,782)		(11,404)
CARRYING AMOUNT	1,089,218		1,088,596
FAIR VALUE	$ 888,250		1,094,500
5% Senior Notes due 2032 (the "5% Notes due 2032") \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)	5.00%	5.00%
DEBT (INCLUSIVE OF DISCOUNT)	$ 750,000		750,000
UNAMORTIZED DEFERRED FINANCING COSTS	(13,164)		(13,782)
CARRYING AMOUNT	736,836		736,218
FAIR VALUE	$ 607,500		767,813
55/8% Senior Notes due 2032 (the "55/8% Notes") \| Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)	5.625%	5.625%
DEBT (INCLUSIVE OF DISCOUNT)	$ 600,000		600,000
UNAMORTIZED DEFERRED FINANCING COSTS	(5,856)		(6,147)
CARRYING AMOUNT	594,144		593,853
FAIR VALUE	$ 507,000		$ 637,500

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