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Debt - Carrying Amount and Fair Value of Long-Term Debt Instruments (Details) $ in Thousands, $ in Thousands	Sep. 30, 2025 USD ($)	Sep. 30, 2025 AUD ($)	Dec. 31, 2024 USD ($)
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 16,309,969		$ 13,836,364
UNAMORTIZED DEFERRED FINANCING COSTS	(116,413)		(117,278)
CARRYING AMOUNT	16,193,556		13,719,086
Debt, current portion	(699,320)		(715,109)
Unamortized debt issuance expense, net of current portion	0		0
Carrying amount, current maturities	(699,320)		(715,109)
Long term debt, gross, net of current portion	15,610,649		13,121,255
Unamortized deferred financing costs, noncurrent	(116,413)		(117,278)
Carrying amount, excluding current maturities	15,494,236		13,003,977
Accounts Receivable Securitization Program
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	400,000		400,000
UNAMORTIZED DEFERRED FINANCING COSTS	(467)		(670)
CARRYING AMOUNT	399,533		399,330
FAIR VALUE	400,000		400,000
Credit Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	233,000
UNAMORTIZED DEFERRED FINANCING COSTS	(8,691)
CARRYING AMOUNT	224,309
FAIR VALUE	233,000
Remaining capacity	$ 2,504,559
Weighted average interest rate (as a percent)	6.00%	6.00%
Credit Agreement | Revolving Credit Facility, Netting
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)			121,000
UNAMORTIZED DEFERRED FINANCING COSTS			(9,253)
CARRYING AMOUNT			111,747
FAIR VALUE			121,000
Credit Agreement | UK Bilateral Revolving Credit Facility
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 188,186		175,503
UNAMORTIZED DEFERRED FINANCING COSTS	(2,458)		(1,034)
CARRYING AMOUNT	185,728		174,469
FAIR VALUE	188,186		175,503
Term Loan Facility | Term Loan A
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	493,750		216,016
UNAMORTIZED DEFERRED FINANCING COSTS	0		0
CARRYING AMOUNT	493,750		216,016
FAIR VALUE	493,750		216,016
Term Loan Facility | Term Loan B
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	1,827,457		1,840,181
UNAMORTIZED DEFERRED FINANCING COSTS	(12,864)		(14,690)
CARRYING AMOUNT	1,814,593		1,825,491
FAIR VALUE	1,836,678		1,850,698
Term Loan Facility | Virginia 3 Term Loans
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	271,079		271,079
UNAMORTIZED DEFERRED FINANCING COSTS	(1,634)		(3,013)
CARRYING AMOUNT	269,445		268,066
FAIR VALUE	271,079		271,079
Term Loan Facility | Virginia 4/5 Term Loans
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	204,987		76,535
UNAMORTIZED DEFERRED FINANCING COSTS	(277)		(2,752)
CARRYING AMOUNT	204,710		73,783
FAIR VALUE	204,987		76,535
Term Loan Facility | Virginia 6 Term Loan
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	210,000		137,495
UNAMORTIZED DEFERRED FINANCING COSTS	(3,126)		(4,605)
CARRYING AMOUNT	206,874		132,890
FAIR VALUE	210,000		137,495
Term Loan Facility | Virginia 7 Term Loan
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	239,595		32,074
UNAMORTIZED DEFERRED FINANCING COSTS	(5,167)		(7,591)
CARRYING AMOUNT	234,428		24,483
FAIR VALUE	239,595		32,074
Australian Dollar Term Loan
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	260,778	$ 397,500	175,813
UNAMORTIZED DEFERRED FINANCING COSTS	(1,989)		(265)
CARRYING AMOUNT	258,789		175,548
FAIR VALUE	262,606		176,655
Senior Notes | GBP Notes
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	537,674		501,437
UNAMORTIZED DEFERRED FINANCING COSTS	(85)		(789)
CARRYING AMOUNT	537,589		500,648
FAIR VALUE	534,986		490,155
Senior Notes | 47/8% Notes due 2027
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	1,000,000		1,000,000
UNAMORTIZED DEFERRED FINANCING COSTS	(2,844)		(3,910)
CARRYING AMOUNT	997,156		996,090
FAIR VALUE	$ 995,000		972,500
Stated interest rate (as a percent)	4.875%	4.875%
Senior Notes | 51/4% Notes due 2028
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 825,000		825,000
UNAMORTIZED DEFERRED FINANCING COSTS	(2,952)		(3,838)
CARRYING AMOUNT	822,048		821,162
FAIR VALUE	$ 821,906		804,375
Stated interest rate (as a percent)	5.25%	5.25%
Senior Notes | 5% Notes due 2028
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 500,000		500,000
UNAMORTIZED DEFERRED FINANCING COSTS	(2,050)		(2,592)
CARRYING AMOUNT	497,950		497,408
FAIR VALUE	$ 496,250		481,250
Stated interest rate (as a percent)	5.00%	5.00%
Senior Notes | 7% Notes due 2029
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 1,000,000		1,000,000
UNAMORTIZED DEFERRED FINANCING COSTS	(7,091)		(8,686)
CARRYING AMOUNT	992,909		991,314
FAIR VALUE	$ 1,028,750		1,020,000
Stated interest rate (as a percent)	7.00%	7.00%
Senior Notes | 47/8% Notes due 2029
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 1,000,000		1,000,000
UNAMORTIZED DEFERRED FINANCING COSTS	(5,786)		(6,871)
CARRYING AMOUNT	994,214		993,129
FAIR VALUE	$ 983,750		945,000
Stated interest rate (as a percent)	4.875%	4.875%
Senior Notes | 51/4% Notes due 2030
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 1,300,000		1,300,000
UNAMORTIZED DEFERRED FINANCING COSTS	(7,270)		(8,399)
CARRYING AMOUNT	1,292,730		1,291,601
FAIR VALUE	$ 1,283,750		1,235,000
Stated interest rate (as a percent)	5.25%	5.25%
Senior Notes | 41/2% Notes
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 1,100,000		1,100,000
UNAMORTIZED DEFERRED FINANCING COSTS	(6,741)		(7,674)
CARRYING AMOUNT	1,093,259		1,092,326
FAIR VALUE	$ 1,050,500		1,001,000
Stated interest rate (as a percent)	4.50%	4.50%
Senior Notes | 5% Notes due 2032
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 750,000		750,000
UNAMORTIZED DEFERRED FINANCING COSTS	(8,921)		(9,900)
CARRYING AMOUNT	741,079		740,100
FAIR VALUE	$ 720,938		688,125
Stated interest rate (as a percent)	5.00%	5.00%
Senior Notes | 55/8% Notes
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 600,000		600,000
UNAMORTIZED DEFERRED FINANCING COSTS	(3,969)		(4,404)
CARRYING AMOUNT	596,031		595,596
FAIR VALUE	$ 596,250		570,000
Stated interest rate (as a percent)	5.625%	5.625%
Senior Notes | 61/4 % Notes due 2033
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 1,200,000		1,200,000
UNAMORTIZED DEFERRED FINANCING COSTS	(13,202)		(14,517)
CARRYING AMOUNT	1,186,798		1,185,483
FAIR VALUE	$ 1,222,500		1,194,000
Stated interest rate (as a percent)	6.25%	6.25%
Senior Notes | 43/4% Euro Senior Notes due 2034 (the "Euro Notes")
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 1,408,423		0
UNAMORTIZED DEFERRED FINANCING COSTS	(17,205)		0
CARRYING AMOUNT	1,391,218		0
FAIR VALUE	$ 1,410,184		0
Stated interest rate (as a percent)	4.75%	4.75%
Real Estate Mortgages, Financing Lease Liabilities and Other
Debt Instrument [Line Items]
DEBT (INCLUSIVE OF DISCOUNT)	$ 760,040		614,231
UNAMORTIZED DEFERRED FINANCING COSTS	(1,624)		(1,825)
CARRYING AMOUNT	758,416		612,406
FAIR VALUE	$ 760,040		$ 614,231

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